Page 1 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series) First Published: 2017-11-17 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000...
Page 3: Table Of Contents
C H A P T E R 2 Finding Feature Information Information About CEM over MPLS QOS Classifying and Marking MPLS EXP Overview 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 4 SONET Path Level Configuration Parameters Channelized SONET Frames SONET T1 Configuration Parameters SONET T3 Configuration Parameters SONET VT Configuration Parameters 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 5 Configuring DS1/T1 CT3 mode of STS-1 Configuring STS-Nc - Contiguous Concatenation Configuring CEM Group for Sonet Mode VT1.5-T1 in CESoPSN 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 6 Verifying DCR in VT 1.5-T1 mode for CESoPSN Configuring ACR in CT3-T1 mode for CESoPSN Verifying ACR in CT3-T1 mode for CESoPSN 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 7 Configuring Mode VC4 CEP Verifying Mode VC-4 Configuration Configuring Mode TUG-3 Configuring AU-4 — TUG-3 — VC-3 — DS3 Verifying DS3 Configuration 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 8 Threshold Configuring Line and Section Threshold Loopback Configuring Line Loopback AIS-Shut Configuring AIS Shut Shutdown Configuring Shut Alarm Reporting 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series) viii...
Page 9 Verifying T1/E1 Parameters Configuration SDH T3/E3 Configuration Parameters for SAToP Configuring SDH T3/E3 Parameters Configuration Verifying SDH T3/E3 Parameters Configurations 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 10 Verifying CEM Group for MSP on Virtual ACR AU4-E1 in CESoPSN Configuring Clocking ACR for MSP AU3-T1 in CESoPSN Verifying Clocking ACR for MSP AU3-T1 in CESoPSN 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 11 Configuring ACR in Mode VT15 for SAToP Verifying ACR in Mode VT15 for SAToP Configuring ACR in mode T3 for SAToP 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 12 Associated Commands Configuring Data Communication Channel C H A P T E R 1 0 Restrictions of DCC Configuring PPP 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 13 Contents Configuring CLNS or LAPD Verification of DCC Configiration 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series) xiii...
Page 14 Contents 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 15: Configuring Cem
(SAToP). L2VPN over IP/MPLS is also supported on the interface modules. Restrictions for CEM The framed command is not supported. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 16: Structure-Agnostic Tdm Over Packet
0/4/0 cem-group 0 unframed You need metroaggrservice license to configure CEM group on the Interface Module. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 17: Configuring Cem Classes
Use the size argument to specify the size of the buffer, in milliseconds. The range is from 1 to 32; the default is 5. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 18: Shutting Down A Cem Channel
1 - 3 mode sts-3c cem-group 100 cep interface cem 0/5/0 cem 100 xconnect 2.2.2.2 10 encapsulation mpls 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 19: Configuring Cep
MediaType 0/5/0 mode sonet controller sonet 0/5/0 controller sonet-acr acr_no sts-1 1 vtg 1 t1 1 cem-group 100 unframed 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 20: Configuring Unidirectional Aps For Satop
Detailed information of cem ckt(s) interface CEM Interface summary Display summary of CEM ckts Output modifiers Router# show cem circuit 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 21: Associated Commands
Associated Commands The following commands are used to configure CEM: Commands http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ interface/command/ir-cr-book/ ir-c1.html#wp2184138077 cem group cem-group-number unframed http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ interface/command/ir-cr-book/ ir-c1.html#wp2440628600 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 22 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 23: Additional References For Configuring Cem
Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL: http://www.cisco.com/go/mibs RFCs RFCs Title — There are no RFCs for this feature. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 24 Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 25: Cem Over Mpls Qos
Setting the MPLS EXP value allows you to: • Classify traffic 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 26: Prerequisites For Cem Over Mpls Qos
EXP values, inside the MPLS domain. You can use these classes to define services policies to mark the EXP traffic using the police command. enable configure terminal class-map [match-all | match-any] class-map-name match mpls experimental topmost mpls-exp-value 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 27: Marking Mpls Exp On Imposed Labels
The following example defines a class map named exp3 that matches packets that contains MPLS experimental value 3: Router(config)# class-map exp3 Router(config-cmap)# match mpls experimental topmost 3 Router(config-cmap)# exit 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 28: Example: Defining A Policy Map And Applying The Policy Map To An Ingress Interface
Router(config-cmap)# match ip prec 0 1 2 Router(config-cmap)# exit Router(config)# policy-map mark-up-exp-2 Router(config-pmap)# class prec012 Router(config-pmap-c)# set qos-group 3 Router(config-pmap-c)# exit Router(config-pmap)# exit 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 29: Example: Applying The Mpls Exp Imposition Policy Map To A Main Interface
Router(config-cmap)# match mpls experimental topmost 0 1 2 Router(config-cmap)# exit Router(config-cmap)# policy-map mark-up-exp-2 Router(config-pmap)# class exp012 Router(config-pmap-c)# set mpls experimental topmost 2 Router(config-pmap-c)# exit Router(config-pmap)# exit 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 30: Example: Applying The Mpls Exp Label Switched Packets Policy Map To A Main Interface
Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL: http://www.cisco.com/go/mibs RFCs RFCs Title — There are no RFCs for this feature. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 31 Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 32 CEM over MPLS QoS Additional References for CEM over MPLS QoS 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 33: Configuring Sonet
Clock Recovery System in CESoPSN, page 55 • Configuring Clocking for ACR and DCR on APS for CESoPSN, page 60 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 34: Overview Of Sonet
Table 1: Bandwidth Used by Different Rates Rate Bandwidth OC-3 155.52 Mbps OC-12 622.08 Mbps OC-48 2.4 Gbps OC-192 9.6 Gbps 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 35: Sonet Switching
OC-3, OC-12, OC-48, OC-192 VT 1.5 OC-3, OC-12, OC-48, OC-192 VT 1.5 CESoPSN OC-3, OC-12, OC-48, OC-192 CT3-T1 CESoPSN OC-3, OC-12, OC-48, OC-192 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 36: Sonet Hierarchy
1.544 Mbps DS1 signals and insert path overhead to form an STS-1 signal. This layer is concerned with end-to-end transport of data. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 37: Sts-1 And Sts-3 Frames
* 810 B/frame = 51.84 Mbs, of which the payload is roughly 49.5 Mbs, enough to encapsulate 28 DS-1s, a full DS-3, or 21 CEPT-1s. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 38: Sonet Line And Section Configuration Parameters
• line —The link uses the recovered clock from the line. • internal — The link uses the internal clock source. This is the default setting. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 39: Bert
• 2^23-O.151—Pseudo-random 0.151 test pattern that is 8,388,607 bits in length. Error and Jitter measurement of 34368 kbps and 139264 kbps 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 40: Concatenated Sonet Frames
• Exit — Exits from SONET path configuration mode. • Loopback — Sets the entire path in the loopback mode. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 41: Channelized Sonet Frames
• Framing — Specifies the type of a framing on T3 interface. • Loopback — Sets the T3 link in the loopback mode. • Shutdown — Disables the T3 interface. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 42: Sonet Vt Configuration Parameters
In bidirectional mode, the receive and transmit channels are switched as a pair. Two SONET connections are required to support APS. The following option is available for linear bidirectional 1+1 APS: 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 43: Benefits Of Aps
• Bi-directional Protection: The receiving end switches from working to protection line by coordinating at the transmit end. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 44: Scenario For Bidirectional Aps 1+1
7 Device 2 sends K2 byte over the new active line to Device 1 . Device 1 receives this signal and starts accepting the data from this new active line. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 45: Scenario For Unidirectional Aps 1+1
UPSR, like the one-plus-one scheme, has fast failure recovery. UPSR Path Protection is supported at VT level and STS level. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 46: Configuring Upsr
UPSR Work Path Configuration: enable configure terminal controller MediaType 0/3/6 mode sonet controller sonet 0/3/6 rate oc48 sts-1 1 - 48 mode sts-48c 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 47: Verification Of Upsr Configuration
The following section alarms are supported: • LOS — Loss of Signal • LOF — Loss of Frame • SEF — Severely Error Frame 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 48: Line Alarms
• RDI-V — VT Path Remote Defect Indication • PLM-V — VT path Payload Label Mismatch • TCA for VT Level BIP 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 49: T1 Alarms
OC-192 or 10 Gigabit Ethernet. To use the above features, you need to apply a valid license. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 50: Prerequisites For Configuring Sonet
1-byte To restore the system to its default condition, use the no form of the command. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 51: Configuring Line And Section Threshold
The no ais-shut command will not send AIS. Note Configuring Shut To configure Shut, use the following commands: enable configure terminal 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 52: Configuring Alarm Reporting
1 controller sonet 0/5/0 Configuring STS-1 Modes To configure STS-1 modes, use the following commands: enable configure terminal controller sonet 0/5/0 sts-1 1 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 53: Configuring Sts-Nc - Contiguous Concatenation
To restore the system to its default condition, use the no form of the command. Note To configure STS-3c or STS-12c, use the numbers as multiples for 3 or 12, respectively. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 54: Configuring Cem Group For Sonet Mode Vt1.5-T1 In Cesopsn
1 aps unidirectional exit controller sonet 0/5/0 aps group acr 1 aps protect 1 10.7.7.7 aps revert 3 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 55: Verifying Acr Configurations For Satop
The following example shows the CEM-ACR circuit details for CEM group 0 under the CEM-ACR interface: Router# #show cem circuit interface cem-acr 1 1 CEM-ACR1, ID: 1, Line: UP, Admin: UP, Ckt: ACTIVE 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 56 Router# show aps SONET 0/5/2 APS Group 25: protect channel 0 (Inactive) (HA) Working channel 1 at 1.1.1.1 (Enabled) (HA) 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 57: Configuring Aps For Cesopsn
0/3/6 sts-1 3 vtg 1 t1 1 clock source internal vtg 1 t1 1 framing esf 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 58: Configuring Vt 1.5-T1 Loopback
To configure the C2 flag, use the following commands: enable configure terminal controller sonet 0/5/0 sts-1 1 overhead c2 10 J1 Flag 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 59: Configuring Path Threshold
Clock Source is internal ====> path level clock AIS = 0 RDI = 0 REI = 0 BIP(B3) = 0 ======> path 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 60 0 Unavail Secs, 0 Stuffed Secs STS-1 1, VTG 1, T1 2 (VT1.5 1/1/2) is down VT Receiver has no alarm. Receiver is getting AIS. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 61 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Shows the path trace. ……………. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 62: Performance Monitoring Use Cases Or Deployment Scenarios
Type: Sonet, Line Coding: NRZ, SECTION: LOS = 1 LOF = 0 BIP = 0 SONET/SDH Section Tables INTERVAL SEFS 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 63 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ....00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ....1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 64 0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs 361 Unavail Secs, 0 Stuffed Secs 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 65: Ons Pluggables
The show hw-module subslot <slot/bay> transceiver <port> status displays as Enabled if the pluggables are supported and the command displays as Disabled if the pluggables are not supported. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 66 High laser bias current warning threshold = 65.000 mAmps Low laser bias current warning threshold = 4.000 mAmps Low laser bias current alarm threshold = 2.000 mAmps 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 67: Configuring Bert In Sonet For Cesopsn
• OCx—NxDS0, DS1 (channelised), DS3 (channelised), clear channel DS3, STS1, STS-nc, VT-1.5, VT1.5 The following table shows the supported SONET level of BERT patterns. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 68: Restrictions For Sonet Bert On Cesopsn
To configure VT 1.5-T1 BERT, use the following commands: enable configure terminal controller sonet 0/5/0 rate oc3 no ais shut 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 69: Clock Recovery System In Cesopsn
The Clock Recovery System is able to recover the service clock using two methods, the Adaptive Clock Recovery and Differential Clock Recovery. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 70: Adaptive Clock Recovery In Cesopsn
PE clocks. The clock from the TDM domain is mapped through the packet domain. It differs from ACR in that a PRC traceable clock is used at each end. Differential timing messages 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 71: Benefits Of Clock Recovery
• RTP must be enabled for DCR in CEM, as the differential clock information is transferred in the RTP header. Restrictions for Clock Recovery • The reference clock source is used and locked to a single clock. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 72: Configuring Acr In Vt 1.5-T1 Mode For Cesopsn
<num> mode vt-15 vtg <vtg_no> t1 <t1_num> clock source recovered <clock-id> vtg <vtg_no> t1 <t1_num> cem-group <cem-group-no> timeslots <1-24> 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 73: Verifying Dcr In Vt 1.5-T1 Mode For Cesopsn
Recovered clock status for subslot 0/5 ---------------------------------------- Clock Type Mode Status Frequency Offset(ppb) Circuit-No Priority OCx-T1 ADAPTIVE ACQUIRING 0/1/3 (Port/t3/t1) 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 74: Configuring Clocking For Acr And Dcr On Aps For Cesopsn
To configure clock source in CT3 mode of STS-1 for CESoPSN, use the following commands: enable configure terminal controller mediatype 0/5/0 mode sonet controller sonet 0/5/0 rate oc3 sts-1 1 mode ct3 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 75: Verifying Clocking For Acr On Aps Ct3-T1 In Cesopsn
1 mode ct3 t1 1 clock source recovered 1 To configure CEM interface, use the following commands: interface cem <bay>/<slot>/<port> 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 76: Verifying Clocking For Dcr On Aps Ct3-T1 In Cesopsn
To configure clock source in VT 1.5 mode of STS-1 for CESoPSN, use the following commands: enable configure terminal controller sonet 0/3/6 sts-1 1 mode vt-15 vtg 1 t1 1 clock source recovered 4 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 77: Verifying Clocking For Acr On Aps Vt 1.5-T1 In Cesopsn
<cem-group-no> rtp-present To configure the recovered clock with priority 1, use the following commands: enable configure terminal recovered-clock acr 200 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 78: Verifying Clocking For Dcr On Aps Vt 1.5-T1 In Cesopsn
The following table shows the Associated Commands for SONET configuration: Commands Links ais-shut http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ interface/command/ir-cr-book/ ir-a1.html#wp7654966010 alarm-report http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ interface/command/ir-cr-book/ ir-a1.html#wp2800999060 aps adm http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ interface/command/ir-cr-book/ ir-a1.html#wp8015117230 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 79 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 80 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 81: Additional References For Configuring Sonet On 1-Port Oc192/Stm-64 Or 8-Port Oc3/12/48/Stm-1/-4/-16 Interface Module
To locate and download MIBs for selected platforms, Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL: http://www.cisco.com/go/mibs 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 82 Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 83 Configuring CEM Group for CESoPSN, page 105 • Configuring ACR and DCR for SAToP, page 107 • Configuring ACR and DCR for CESoPSN, page 109 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 84: Overview Of Sdh
The STM-1 frame is the basic transmission format for SDH. The frame lasts for 125 microseconds, therefore, there are 8000 frames per second. The STM-1 frame consists of overhead plus a Virtual Container (VC) capacity. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 85 Figure 6: STM1 Frame Structure Figure 7: STM1 Section Overhead 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 86: Cem Overview
STM1, STM4, STM16, STM64 TUG-2-VC12 STM1, STM4, STM16, STM64 TUG-2-T1 SAToP STM1, STM4, STM16, STM64 TUG-2-E1 SAToP STM1, STM4, STM16, STM64 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 87: Services Provided By Sdh Configuration
• Configuring Mediatype Controller • Configuring Rate on SDH Ports • Configuring AU-3 or AU-4 Mapping • Configuring Mode TUG-3 • Configuring AU-4—TUG-3—VC-3—DS3 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 88 • Configuring Mediatype Controller • Configuring Rate on SDH Ports • Configuring AU-3 or AU-4 Mapping • Configuring AU-3—VC-3—DS3 circuit 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 89: Sdh Multiplexing
• Aligning – This process takes place when a pointer is included in a Tributary Unit (TU) or an Administrative Unit (AU), to allow the first byte of the VC to be located. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 90: Modes Of Sdh
• AU-4 — TUG-3 — TUG-2 — VC-11 • AU-4 — TUG-3 — TUG-2 — VC-12 • AU-3 — VC-3 — DS3 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 91: Configuring Aug Mapping
| sec 0/3/4*Apr 20 03:51:28.151 PDT: %SYS-5-CONFIG_I: Configured from console by console platform enable controller MediaType 0/3/4 oc12 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 92: Configuring Modes Under Au-4 Mapping
0 aug mapping au-4 au-4 1 mode vc4 clock source internal au-4 2 au-4 3 au-4 4 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 93: Configuring Mode Tug-3
1mode T3 t3 clock source internal t3 framing c-bit tug-3 2 tug-3 3 au-4 2 au-4 3 au-4 4 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 94: Configuring Au-4 — Tug-3 — Vc-3 — E3
1 mode VC1x tug-2 1 payload VC11 tug-2 2 payload VC11 tug-2 3 payload VC11 tug-2 4 payload VC11 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 95: Configuring Au-4 — Tug-3 — Tug-2 — Vc-11 — T1
3 payload vc12 e1 1 cem-group 10 unframed vc 1 overhead v5 2 Overhead v5 should match with the peer end. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 96: Configuring Au-4 — Tug-3 — Tug-2 — Vc-11 — Vc
1 cem-group 4 cep tug-2 5 payload VC11 tug-2 6 payload VC11 tug-2 7 payload VC11 tug-3 2 tug-3 3 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 97: Configuring Mode Vc-4 Nc
MediaType 0/5/0 mode sdh controller sdh 0/5/0 rate stm4 au-3 1 mode t3 cem-group 100 unframed 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 98: Configuring Au-3 — Vc-3 — E3
Configuring AU-3 — TUG-2 — VC-12 — VC To configure AU-3 — TUG-2 — VC-12 — VC: configure terminal controller MediaType 0/5/0 mode sdh controller sdh 0/5/0 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 99: Configuring Au-3 — Tug-2 — Vc-11 — T1
1 cem-group 1 unframed tug-2 2 payload VC11 vc 1 cem-group 2 cep tug-2 3 payload VC12 e1 1 cem-group 3 unframed 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 100: Restrictions For Sdh In Satop
| rate stm4 | rate stm16 | stm64 Table 5: Bandwidth Used by Different Rates Rate Bandwidth (kbit/s) STM-1 150,336 STM-4 601,344 STM-16 2,405,376 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 101: Restrictions For Sdh In Cesopsn
The following configuration is blocked and an error message is displayed after the maximum bandwidth is utilized: rate stm1 | rate stm4 | rate stm16 | stm64 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 102: Configuring Mediatype Controller
[stm1 | stm4 | stm16 | stm64] STM-64 can only be configured only on the last port or port 8. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 103: Sdh Line And Section Configuration Parameters
• sd-ber — Enables the threshold of the Signal Degrade (SD) BER that is used to trigger a signal degrade alarm. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 104: Configuring Line And Section Threshold
Enables automatic insertion of a Line Alarm Indication Signal (LAIS) in the sent SDH signal whenever the SDH port enters the administrative shutdown state. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 105: Configuring Ais Shut
• plop — Enables loss of pointer failure signal for a path. • pplm — Enables path payload mismatch indication. • prdi — Enables path remote defect indication signal. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 106: Configuring Alarm Reporting
To restore the system to its default condition, use the no form of the command. Configuring Network-Clock SDH To configure network-clock SDH, use the following commands: enable configure terminal 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 107: Verifying Sdh Line And Section Parameters Configuration
◦ Mode VC-4 Nc ◦ Mode TUG-3 For more information, refer Configuring Modes under AU-4 Mapping, on page • AU-3 Mapping 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 108: Path Threshold
◦ Mode VC-4 ◦ Mode VC-4 Nc ◦ Mode TUG-3 For more information, refer Configuring Modes under AU-4 Mapping, on page 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 109: Configuring Path Threshold
Configuring BERT in SDH for SAToP, on page 96 section. Verifying Path Parameters Configuration Use show running-configuration command to verify path parameters configuration. #show running-configuration controller MediaType 0/5/ 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 110: Configuring Bert In Sdh For Satop
• 2^20 - O.151 - Error and Jitter measurement upto 72 kbps • 2^23 - O.151 - Error and Jitter measurement of 34368 kbps and 139264 kbps 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 111: Configuring Bert In Modes Vc-4 And Vc Nc
Bits Received (since last sync): 1943 Kbits Direction : LineRouter# Configuring T1 Bert To configure T1 Bert: enable configure terminal controller sdh 0/5/0 rate stm4 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 112: Configuring E1 Bert
Bits Received (since BERT started): 0 Mbits Bit Errors (since last sync): 1943 bits Bits Received (since last sync): 1943 Kbits Direction : Line 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 113: Configuring Bert In Mode Vc-1X
• Line - Supports BERT in TDM direction. • System - Supports BERT in PSN direction. The following table shows the SDH level of BERT patterns supported. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 114: Restrictions For Sdh Bert On Cesopsn
1 payload vc11 router(config-ctrlr-tug2-vcx)#T1 1 bert timeslots 1 - 7 pattern 2^11 interval 1 direction line router(config-ctrlr-tug2-vcx)#end 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 115: Configuring Bert In Aug Mapping Au-4 Vc1X E1 For Cesopsn
• Description — Specifies the description of the controller. • Loopback — Sets the T1 or E1 interface in the loopback mode. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 116: Configuring T1/E1 Parameters
NM-CEM-4TE1 network module. • MDL — Sets the Maintenance Data Link. This is only supported for T3. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 117: Configuring Sdh T3/E3 Parameters Configuration
SDH VC Configuration Parameters for SAToP The following parameters affect SDH VC configuration: • BERT — Starts the BERT test. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 118: Configuring Vc Parameters
1 overhead j2 expected message STRING vc 1 threshold bip2-sd 4 vc 1 threshold bip2-sf 4 vc 1 threshold bip2-tca 9 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 119: Configuring Cem Group For Cesopsn
Pkts Malformed: JitterBuf Overrun: Generated Lbits: 0 Received Lbits: Generated Rbits: 868 Received Rbits: 1830 Generated Mbits: 146392 Received Mbits: 232588 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 120: Configuring Cem Group For Au4-E1 On Sdh For Cesopsn
Pkts Malformed: JitterBuf Overrun: Generated Lbits: 0 Received Lbits: Generated Rbits: 868 Received Rbits: 1830 Generated Mbits: 146392 Received Mbits: 232588 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 121: Configuring Acr And Dcr For Satop
1 ACR Global Configuration enable configure terminal recovered-clock 0 4 clock recovered 1 adaptive cem 0 1 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 122: Verifying Acr Configuration
0 aug mapping au-4 au-4 1 clock source internal mode tug-3 tug-3 1 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 123: Verifying Dcr Configuration
To configure recovered clock for CESoPSN: router#configure terminal router(config)#recovered-clock 0 5 router(config-clock)#clock recovered 1 adaptive cem 0 1 priority 1 router(config-clock)#end 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 124: Verifying Acr Configuration For Cesopsn
1 differential cem 0 2 priority 2 router(config-clock)#end Ensure that you configure DCR with two priorities, priority 1 and priority 2, on different cem IDs. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 125: Verifying Dcr Configuration For Cesopsn
Recovered clock status for SSDH-DCR 200 ---------------------------------------- Clock Type Mode Status Circuit-No Working Protect Priority OCx-T1 DIFFERENTIAL ACQUIRING 200/4/1/1(acr/path/vtg/t1) ACQUIRIN ACQUIRING 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 126 Configuring SDH on 1-Port OC-192/STM-64 or 8-Port OC-3/12/48/STM-1/-4/-16 Module Configuring DCR for CESoPSN 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 127 Scenario for Unidirectional MSP 1+1, page 116 • Configuring MSP for SAToP, page 116 • Configuring MSP for CESoPSN, page 119 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 128: 1+1 Msp
• MSP is supported on all the ports except on the 8th port with STM-64. • Loopback, BERT, ACR and DCR, and Clocking should be configured on physical member controllers. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 129: Msp 1+1 For Sdh Layer 1 Traffic
6 Device 2 receives the K1/K2 byte and starts receiving the data from protection line. The protection line now acts as the active line. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 130: Scenario For Unidirectional Msp 1+1
3 Device 1 receives the K2 byte and knows about switching event on device 2. Configuring MSP for SAToP This section describes the configuration of MSP. Configuring Bi-directional MSP (SDH Framing) 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 131 1 aps working 1 exit controller sdh 0/5/0 aps group acr 1 aps protect 1 10.7.7.7 aps unidirectional aps adm 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 132: Verifying Msp Configuration For Satop
Dejitter: 6 (In use: 0 )Payload Size: 783 Framing: Not-Applicable CEM Defects Set None Signalling: No CAS RTP: No RTP Ingress Pkts: 111851780 Dropped: 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 133: Configuring Msp For Cesopsn
Idle Pattern: 0xFF, Idle CAS: 0x8 Dejitter: 6 (In use: 0) Payload Size: 192 Framing: Framed (DS0 channels: 1-24) CEM Defects Set 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 134: Configuring Cem Group For Msp On Virtual Acr Au4-E1 In Cesopsn
Path Mode : VC1X,Payload:VC11, AU4: 1, TUG-3: 1, E1: 1,CEM Mode: E1-CESoP Controller state: up, T1/E1 state: up Idle Pattern: 0xFF, Idle CAS: 0x8 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 135: Configuring Clocking Acr For Msp Au3-T1 In Cesopsn
To configure the recovered clock, use the following commands: enable configure terminal recovered-clock acr 200 clock recovered 1 adaptive cem 2 priority 2 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 136: Verifying Clocking Acr For Msp Au3-T1 In Cesopsn
To configure the recovered clock with priority 1, use the following commands: enable configure terminal recovered-clock acr 200 clock recovered 1 differential cem 2 priority 2 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 137: Verifying Clocking Dcr For Msp Au3-T1 In Cesopsn
Recovered clock status for MSP-ACR 200 ---------------------------------------- Clock Type Mode Status Circuit-No Working Protect Priority OCx-T1 ADAPTIVE ACQUIRING 200/3/1/1(acr/path/vtg/t1) ACQUIRING ACQUIRING 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 138: Configuring Clocking Dcr For Msp Au4-E1 In Cesopsn
Recovered clock status for MSP-DCR 200 ---------------------------------------- Clock Type Mode Status Circuit-No Working Protect Priority OCx-T1 DIFFERENTIAL ACQUIRING 200/4/1/1(acr/path/vtg/t1) ACQUIRING ACQUIRING 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 139: Restrictions For Sncp
If part of a ring between 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 140: Configuring Sncp
0/3/6 au-4 1-16 mode vc4-16c protection group 1 working Protect Path Configuration enable configure terminal controller sdh 0/12/6 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 141: Verification Of Sncp Configuration
Protect I/f Active Status ------------------------------------------------------------------------------- VC4-16C SDH0/3/6.1-48 SDH0/12/6.1-48 ------------------------------------------------------------------------------- Status legend:D=Deleted FO=Force SF=SignalFailure SD=SignalDegrade FL=Fail M=Manual L=Lockout C=Clear A=Auto (W)=working, (P)=protect 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 142 Configuring SNCP on 1-Port OC192/STM-64 or 8-Port OC3/12/48/STM-1/-4/-16 Module Verification of SNCP Configuration 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 143: Alarm History Restrictions
• When a primary file switches to a secondary file and vice versa, the following happens: 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 144: Configuring Alarm History
*07:50:19.360 UTC Wed Jun 15 2016|SLOT_0 |BAY_3 |PORT_0 |2 |1 |6 |4 |SONET_SDH_PATH_VT/TU_ALARM|MAJOR|VT_UNEQUIPPED|CLEARED *07:50:19.360 UTC Wed Jun 15 2016|SLOT_0 |BAY_3 |PORT_0 |2 |1 |6 |4 |SONET_SDH_PATH_VT/TU_ALARM|MAJOR|VT_PATH_LOP|RAISED 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 145: Associated Commands
Cisco IOS commands Cisco IOS Master Commands List, All Releases Standards Standards Title — There are no standards for this feature. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 146 Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 147: Prerequisites For Clock Recovery
• The clock ID should be unique for a particular interface module for ACR/DCR configuration. • When CEM group is configured, dynamic change in clock source is not allowed. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 148: Finding Feature Information
• ACR is supported only for unframed CEM (SAToP) and for fully-framed CEM (CESoPSN). Fully-framed refers to all the timeslots of T1 (1-24 ) or E1 (1-31) interfaces. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 149: Prerequisites For Acr Configuration In 8 T1/E1 Interface Module
On the controller, the clock source should be configured before CEM group is configured. Note 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 150: Verifying The Acr Configuration Of T1 Interfaces For Satop
ACQUIRED and not FREERUN and then move to Acquiring. This happens because the ACR clock is not fully unprovisioned until the CEM circuit and the controller clock source 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 151: Associated Commands
You must configure ACR for virtual tributary groups (VTG) mode. In this mode, a single STS-1 is divided into seven VTGs. Each VTG is then divided into four VT1.5, each carrying a T1. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 152: Verifying Acr In Mode Vt15 For Satop
You must configure ACR in mode T3. Mode T3 is STS-1 or AU-4/TUG3 carrying an unchannelized (clear channel) T3. enable configure terminal recovered-clock <bay> <slot> clock recovered <clock-id> adaptive cem <port-no> <cem-group-no> controller sonet <bay>/<slot>/<port> 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 153: Verifying Acr In Mode T3 For Satop
<bay> <slot> clock recovered <clock-id> adaptive cem <port-no> <cem-group-no> controller sonet <bay>/<slot>/<port> rate OC3 sts-1 <number> mode ct3 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 154: Verifying Acr In Mode Ct3 For Satop
A traceable clock is used at each end, which ensures the recovered clock is not affected by packet transfer. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 155: Explicit Pointer Adjustment Relay (Epar)
• EPAR is applicable only for circuit emulation for SONET LO & HO paths and is not applicable for PDH. • EPAR is effective only when both ends of the pseudowire have access to a common timing reference. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 156: Benefits Of Clock Recovery
1 t1 1 clock source Recovered 0 vtg 1 t1 1 framing unframed vtg 1 t1 1 cem-group 0 unframed 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 157: Configuring Dcr In Mode Ct3 For Satop
1 clock source Recovered 10 t1 1 framing unframed t1 1 cem-group 1 unframed interface CEM0/4/0 no ip address cem 1 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 158: Configuring Dcr In Mode T3 For Satop
Verifying Recovered Clock Router# show recovered-clock Recovered clock status for subslot 0/4 ---------------------------------------- Clock Type Mode Status Frequency Offset(ppb) Circuit-No 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 159: Configuring Acr In Mode Ct3 For Cesopsn
Generated Lbits: 0 Received Lbits: Generated Rbits: 0 Received Rbits: Generated Nbits: 81794328 Received Nbits: 81794328 Generated Pbits: 0 Received Pbits: 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 160: Recovering A Clock
20 adaptive cem 6 0 controller SONET 0/4/6 rate OC48 sts-1 1 mode t3 cem-group 0 unframed t3 clock source recovered 20 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 161: Example: Differential Clock Recovery (Dcr) For Satop
Additional References for Clock Recovery Related Documents Related Topic Document Title Cisco IOS commands Cisco IOS Master Commands List, All Releases 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 162 Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 163: Module
For ASR 903 Routers Table 7: Default 5G Slots Bays Interface Module Support Default Mode 5G Mode Command Support 10G_CEM 10G_CEM 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 164 10G_CEM 10G_CEM 5G_CEM No need to use the command as the interface module is in 5G mode by default 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 165 Configuring 10G Mode from 5G Mode, page 153 • Verification of 5G Traffic Configuration, page 153 • Associated Commands, page 153 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 166: Supported Traffic Combinations
• When the mode conversion command is applied, the IM reloads and becomes active after 5 minutes after a mode conversion is complete. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 167: Configuring 5G Mode From 10G Mode
The following table shows the associated commands for 5G traffic configuration: Commands Links hw-module mode http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ mcl/allreleasemcl/all-book/all-06.html platform hw-module configuration http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ mcl/allreleasemcl/all-book/all-10.html show running configuration | include mode http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ mcl/allreleasemcl/all-book/all-14.html 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 168 Configuring 5G Mode on 1-Port OC-192/STM-64 or 8-Port OC-3/12/48/STM-1/-4/-16 Interface Module Associated Commands 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 169 • IP DCC network • OSI+IP DCC network Effective Cisco IOS XE Everest 16.6.1 release, only OSI DCC network and IP DCC network are supported, which implies that same type of network resides on either side of the router. Figure 11: Implementation of DCC 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco...
Page 170: Restrictions Of Dcc
• ISIS packet bigger than LAPD MTU is not dropped. • The feature is not supported on 1+1 APS. • 1+1 APS with CLNS mode is not supported. 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 171: Configuring Ppp
Use show clns neighbors, show ip ospf neighbor, show ip int br | I DCC, and show interface SDCC commands to verify DCC configuration. #show clns neighbors Tag R1_R2: Tag null: 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
Page 172 #show ip int br | i DCC LDCC0/3/4 5.5.5.2 YES NVRAM SDCC0/3/6 2.2.2.1 YES TFTP down SDCC0/3/7 2.2.2.1 YES TFTP SDCC0/4/7 8.8.8.8 YES TFTP down down 1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)

Cisco ASR 900 Series Configuration Manual

CHAPTER 1 Configuringcem

CHAPTER 2 CEM over MPLS Qos

CHAPTER 3 Configuring SONET

CHAPTER 4 Configuringsdhon1-Portoc-192/STM-64Or8-Portoc-3/12/48/STM-1/-4/-16Module

CHAPTER 5 Configuringmspon1-Portoc192/Stm-64Or8-Portoc3/12/48/Stm-1/-4/-16Module

CHAPTER 6 Configuring SNCP

CHAPTER 7 Alarmhistory

CHAPTER 8 Clockrecoverysystemforsatop

CHAPTER 9 Configuring5Gmodeon1-Portoc-192/STM-64Or8-Portoc-3/12/48/STM-1/-4/-16Interface

CHAPTER 10 Configuringdatacommunicationchannel

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Summary of Contents for Cisco ASR 900 Series

Table of Contents