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Nokia 7950 Advanced Configuration Manual

Part ii releases up to 15.0.r5 ethernet service switch; service router; extensible routing system
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Advanced Configuration Guide - Part II Releases Up To 15.0.R5
7450 Ethernet Service Switch
7750 Service Router
7950 Extensible Routing System
Advanced Configuration Guide - Part II
Releases Up To 15.0.R5
3HE 13718 AAAA TQZZA 01
Issue: 01
November 2017
Nokia — Proprietary and confidential.
Use pursuant to applicable agreements.

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  Summary of Contents for Nokia 7950

  • Page 1 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 7450 Ethernet Service Switch 7750 Service Router 7950 Extensible Routing System Advanced Configuration Guide - Part II Releases Up To 15.0.R5 3HE 13718 AAAA TQZZA 01 Issue: 01 November 2017 Nokia —...
  • Page 2 © 2017 Nokia. Contains proprietary/trade secret information which is the property of Nokia and must not be made available to, or copied or used by anyone outside Nokia without its written authorization. Not to be used or disclosed except in accordance with applicable agreements.
  • Page 3: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Table of Contents Preface ......................21 About This Guide.........................21 Services Overview..................25 G.8032 Ethernet Ring Protection Multiple Ring Topology .......27 Applicability ........................27 Overview ........................27 Configuration ........................35 Conclusion ........................70 G.8032 Ethernet Ring Protection Single Ring Topology ........71 Applicability ........................71 Overview...
  • Page 4: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Conclusion .........................221 Black-hole MAC for EVPN Loop Protection .............223 Applicability .........................223 Overview .........................223 Configuration .........................227 Conclusion .........................237 Conditional Static Black-Hole MAC in EVPN ...........239 Applicability .........................239 Overview .........................239 Configuration .........................242 Conclusion .........................268 EVPN for MPLS Tunnels ..................269...
  • Page 5: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Conclusion .........................486 EVPN Interconnect Ethernet Segments ............487 Applicability .........................487 Overview .........................487 Configuration .........................488 Conclusion .........................512 EVPN-MPLS Interconnect for EVPN-VXLAN VPLS Services......513 Applicability .........................513 Overview .........................513 Configuration .........................515 Conclusion .........................538 Fully Dynamic VSD Integration Model..............539 Applicability .........................539 Overview...
  • Page 6: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Configuration .........................675 Conclusion .........................695 Multi-Segment Pseudowire Routing ..............697 Applicability .........................697 Summary .........................697 Overview .........................698 Configuration .........................701 Conclusion .........................745 P2MP mLDP Tunnels for BUM Traffic in EVPN-MPLS Services ....747 Applicability .........................747 Overview .........................747 Configuration...
  • Page 7: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Virtual Ethernet Segments ................911 Applicability .........................911 Overview .........................911 Configuration .........................915 Conclusion .........................923 VLAN Range SAPs for VPLS and Epipe Services ...........925 Applicability .........................925 Overview .........................925 Configuration .........................935 Conclusion .........................943 Layer 3 Services ..................945 BGP Best External in a VPRN ................947 Applicability .........................947...
  • Page 8: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 NG-MVPN Sender-Only, Receiver-Only............1119 Applicability .......................1119 Overview .......................1119 Configuration .......................1121 Conclusion .......................1170 NG-MVPN Source Redundancy...............1171 Applicability .......................1171 Summary .......................1171 Overview .......................1172 Configuration .......................1174 Conclusion .......................1202 NG-MVPN Wildcard S-PMSI ................1203 Applicability .......................1203 Overview .......................1203 Configuration...
  • Page 9: Table Of Contents

    Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Quality of Service ................. 1353 Class Fair Hierarchical Policing for SAPs .............1355 Applicability .......................1355 Summary .......................1355 Overview .......................1356 Configuration .......................1365 Conclusion .......................1392 FP and Port Queue Groups ................1393 Applicability .......................1393 Overview .......................1393 Configuration...
  • Page 10 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 3HE 13718 AAAA TQZZA 01 Issue: 01...
  • Page 11 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 List of tables G.8032 Ethernet Ring Protection Multiple Ring Topology .......27 Table 1 Terminology Comparison ................30 BGP VPLS ......................189 Table 2 VE-IDs and Labels .................198 Table 3 VE-IDs and Number of Labels..............199 EVPN for MPLS Tunnels ..................269 Table 4 Comparing EVPN Multi-homing and BGP Multi-homing .......314...
  • Page 12 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 FP and Port Queue Groups ................1393 Table 20 Default QoS and Queue Group Comparison ........1394 Table 21 Queue Group Templates - Ingress ............1397 Table 22 Queue Group Templates - Egress ............1397 Table 23 Network Ingress FP Queue Group Policer Usage .......1404 QoS Architecture and Basic Operation............1535...
  • Page 13 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 List of figures G.8032 Ethernet Ring Protection Multiple Ring Topology .......27 Figure 1 G.8032 Major Ring and Sub-Ring .............31 Figure 2 G.8032 Ring Components ................33 Figure 3 G.8032 Sub-Ring Interconnection Components........34 Figure 4 Ethernet Test Topology ................39 Figure 5...
  • Page 14 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 BGP VPLS ......................189 Figure 29 Network Topology..................190 Figure 30 BGP VPLS Using Auto-Provisioned SDPs ..........196 Figure 31 BGP VPLS Using Pre-Provisioned SDP..........212 Black-hole MAC for EVPN Loop Protection .............223 Figure 32 Black-hole MAC for EVPN Loop Protection..........224 Figure 33 Example Topology...................227...
  • Page 15 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Figure 60 EVPN MAC Mobility.................438 EVPN for VXLAN Tunnels (Layer 3) ..............447 Figure 61 EVPN-VXLAN for R-VPLS Services............449 Figure 62 BGP adjacencies and enabled families ...........452 Figure 63 EVPN-VXLAN for IRB Backhaul R-VPLS Services .........457 Figure 64 EVPN-VXLAN in EVPN-tunnel R-VPLS Services ........466 Figure 65...
  • Page 16 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Figure 91 LDP VPLS Using BGP-AD with prefer-provisioned-sdp Option ....661 Figure 92 Example Topology...................662 Figure 93 SDP Bindings in VPLS 1 with use-provisioned-sdp Option .....666 Figure 94 Auto-Created SDP Bindings in VPLS 2 ...........666 Figure 95 SDP Bindings in VPLS 1 with prefer-provisioned-sdp Option ....670 Multi-Chassis Endpoint for VPLS Active/Standby Pseudowire .....671...
  • Page 17 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Figure 126 Send Flush on BVPLS Failure Example..........837 Figure 127 Inter-Domain B-VPLS and MMRP Policies/ISID-Based Filters Example....................843 Preference-based and Non-revertive EVPN DF Election ........855 Figure 128 Virtual Ethernet Segments...............856 Figure 129 BGP-EVPN Extended Community for DF Election........857 Figure 130 Example Topology with All-active and Single-active vESs......858...
  • Page 18 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Figure 156 Example Topology...................955 Figure 157 Loadsharing for Traffic from PE-3 Destined to 10.0.0.0/8 .......972 Carrier Supporting Carrier IP VPNs ..............975 Figure 158 CSC Network Topology ................976 Layer 3 VPN: VPRN Type Spoke ...............999 Figure 159 CE Hub and Spoke Data Path...............1000 Figure 160...
  • Page 19 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Rosen MVPN Inter-AS Option B ..............1257 Figure 188 General Topology for Inter-AS MVPN ...........1258 Figure 189 Protocols Used for Inter-AS MVPN ............1258 Figure 190 BGP Signaling Steps ................1261 Figure 191 PIM-P Signaling Steps for Default MDT ..........1262 Figure 192 PIM-C Signaling ..................1263...
  • Page 20 Advanced Configuration Guide - Part II Releases Up To 15.0.R5 Pseudowire QoS ....................1513 Figure 223 Ingress PW QoS..................1514 Figure 224 Egress PW QoS ..................1515 Figure 225 Example Epipe Pseudowire Topology...........1518 QoS Architecture and Basic Operation............1535 Figure 226 Service and Network QoS Policies............1538 Figure 227 Visualization of Default Network Policies ..........1556 Figure 228...
  • Page 21: About This Guide

    List of Technical Publications The 7x50 series documentation set also includes the following guides: • 7450 ESS, 7750 SR, 7950 XRS, and VSR Basic System Configuration Guide Issue: 01 3HE 13718 AAAA TQZZA 01...
  • Page 22 Service Access Points (SAPs), Service Distribution Points (SDPs), customer information, and user services. • 7450 ESS, 7750 SR, 7950 XRS, and VSR Layer 2 Services and EVPN Guide: VLL, VPLS, PBB, and EVPN 3HE 13718 AAAA TQZZA 01...
  • Page 23 Lines (VLLs), Virtual Private LAN Service (VPLS), Provider Backbone Bridging (PBB), and EVPN. • 7450 ESS, 7750 SR, 7950 XRS, and VSR Layer 3 Services Guide: IES and VPRN Describes Layer 3 service functionality and provides examples to configure and implement Internet Enhanced Services (IES) and Virtual Private Routed Network (VPRN) services.
  • Page 24 Preface Advanced Configuration Guide - Part II Releases Up To 15.0.R5 3HE 13718 AAAA TQZZA 01 Issue: 01...
  • Page 25: Services Overview

    Advanced Configuration Guide - Part II Services Overview Releases Up To 15.0.R5 Services Overview In This Section This section provides configuration information for the following topics: • G.8032 Ethernet Ring Protection Multiple Ring Topology • G.8032 Ethernet Ring Protection Single Ring Topology Issue: 01 3HE 13718 AAAA TQZZA 01...
  • Page 26 Services Overview Advanced Configuration Guide - Part II Releases Up To 15.0.R5 3HE 13718 AAAA TQZZA 01 Issue: 01...
  • Page 27: G.8032 Ethernet Ring Protection Multiple Ring Topology

    Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology G.8032 Ethernet Ring Protection Multiple Ring Topology This chapter provides information about G.8032 Ethernet ring protection multiple ring topologies. Topics in this chapter include: •...
  • Page 28 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 and service availability. Each ring node is connected to adjacent nodes participating in the same ring using two independent paths, which use ring links (configured on ports or link aggregation groups (LAGs)).
  • Page 29 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology • Forwarding database MAC flush on ring status change • RPL (Ring Protection Link) − Defines blocked link in idle status When sub-rings are used, they can either connect to a major ring (which is configured in the exact same way as a single ring) or another sub-ring, or to a VPLS service.
  • Page 30 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Table 1 Terminology Comparison ITU-T G.8032v2 Terminology SROS Terminology ETH_FF control vpls Service_FF data vpls East Ring Link path a West Ring Link path b RPL owner rpl-node owner...
  • Page 31 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Figure 1 G.8032 Major Ring and Sub-Ring Owner Neighbor Control 1/1/1:1 Major Ring 1 Data 1/1/1:11 Virtual Channel 1/1/1:2 1/1/3:1 Control for sub-ring 2 1/1/3:11 Data 1/1/3:2 Virtual Channel for sub-ring 2...
  • Page 32 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 An RPL owner and RPL neighbor are configured for both the major ring and sub-ring. The path and associated link will be the RPL when the ring is fully operational and will be blocked by the RPL owner whenever there is no fault on other ring links.
  • Page 33 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology SROS Implementation G.8032 is built from VPLS components and each ring consists of the configuration components illustrated in Figure Figure 2 G.8032 Ring Components Port 1/1/1 Port 1/1/2 path a...
  • Page 34 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Figure 3 G.8032 Sub-Ring Interconnection Components Port 1/1/1 Port 1/1/2 path a path b R-APS Tag 1 Eth-ring 1 R-APS Tag 1 Major Major Major Major...
  • Page 35: Configuration

    Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology The R-APS tags (ring automatic protection switching tags) and SAPs on the rings can either be dot1Q or QinQ encapsulated. It is also possible to have the control VPLS using single tagged frames with the data VPLSs using double tagged framed;...
  • Page 36 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 • <ring-index> — This is the number by which the ring is referenced, values: 1 to128. • ccm-hold-time { [down <down-timeout>] [up <up-timeout>] } −...
  • Page 37 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology • guard-time <time> — The forwarding method, in which R-APS messages are copied and forwarded at every Ethernet ring node, can result in a message corresponding to an old request, that is no longer relevant, being received by Ethernet ring nodes.
  • Page 38 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 • rpl-node {owner|nbr} — A node can be designated as either the owner of the RPL, in which case this node is responsible for the RPL, or the nbr (neighbor), in which case this node is expected to be the neighbor to the RPL owner across the RPL.
  • Page 39 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Figure 4 Ethernet Test Topology RPL Owner 1/1/2 1/1/1 PE-2 Major Ring 1 Control VLAN ID Data VLAN ID 1.11 Virtual Channel for sub-ring 2 VLAN ID 2.1 Major Ring 1 1/1/1...
  • Page 40 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 • Eth-ring for sub-ring 2 • Control channel service and add Eth-ring SAPs • User data channels Configure the Encapsulation for the Ring Ports. Eth-Ring needs an R-APS tag to send/receive G.8032 signaling messages.
  • Page 41 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Loss-of-signal, in conjunction with other OAM mechanisms, is applicable only when the nodes are directly connected. Figure 5 shows the details of the MEPs and their associations configured when both the major and sub rings are used.
  • Page 42 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 exit association 14 format icc-based name "Association14" ccm-interval 1 remote-mepid 144 exit exit exit Ring node PE-2: Association 12 and 23 are used for the major ring. *A:PE-2# configure eth-cfm domain 1 format none level 2...
  • Page 43 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology association 34 format icc-based name "Association34" ccm-interval 1 remote-mepid 343 exit exit exit Configuring Eth-Ring – Major Ring 1 Two paths must be configured to form a ring. In this example, VLAN tag 1.1 is used as control channel for R-APS signaling for the major ring (ring 1) on the ports shown Figure 4 using the ETH CFM information shown in...
  • Page 44 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 *A:PE-1>config>eth-ring>path# no shutdown INFO: ERMGR #1001 Not permitted - must configure eth-cfm MEP first While MEPs are mandatory, enabling CCMs on the MEPs under the paths as a failure detection mechanism is optional as explained earlier.
  • Page 45 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology eth-ring 1 description "Ethernet Ring 1" revert-time 60 rpl-node nbr path a 1/1/3 raps-tag 1.1 description "Ethernet Ring 1 - PathA" eth-cfm mep 133 domain 1 association 13 ccm-enable control-mep no shutdown...
  • Page 46 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Ring node PE-1 provides an interconnection between the major ring (1) and the sub- ring (2). Ring 2 is configured to be a sub-ring which interconnects to ring 1. It will use a virtual link on ring 1 to send R-APS messages to the other interconnection node and topology changes will be propagated from sub-ring 2 to the major ring 1.
  • Page 47 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Ring node PE-4: This node only has configuration for the sub-ring, ring 2. It is also the RPL owner, with path “b” being the RPL end, for the RPL between PE-3 and PE- *A:PE-4# configure eth-ring 2 description "Ethernet Sub-ring 2"...
  • Page 48 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Defect Status Sub-Ring Type : none ------------------------------------------------------------------------------- Ethernet Ring Path Summary ------------------------------------------------------------------------------- Path Port Raps-Tag Admin/Oper Type Fwd State ------------------------------------------------------------------------------- 1/1/1 Up/Down normal blocked 1/1/3 Up/Down...
  • Page 49 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Ring node PE-3: Control service for the major ring. *A:PE-3# configure service vpls 1 customer 1 create description "Control VID 1.1 for Ring 1 - Major Ring" sap 1/1/2:1.1 eth-ring 1 create exit sap 1/1/3:1.1 eth-ring 1 create...
  • Page 50 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 vpls 2 customer 1 create description "Virtual Channel VID 2.1 for Ring 2" sap 1/1/1:2.1 eth-ring 1 create exit sap 1/1/2:2.1 eth-ring 1 create exit no shutdown If multiple virtual channels are used (due to the aggregation of multiple sub-rings into...
  • Page 51 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology At this point, the Eth-Ring 1 is operationally up and the RPL is blocking successfully on ring node PE-2 port 1/1/1, as expected for the RPL owner/end configuration and on port 1/1/2 on PE-3 as the RPL neighbor.
  • Page 52 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Ring node PE-1: *A:PE-1# show eth-ring 1 =============================================================================== Ethernet Ring 1 Information =============================================================================== Description : Ethernet Ring 1 Admin State : Up Oper State : Up Node ID : 4a:c4:ff:00:00:00...
  • Page 53 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology =============================================================================== *A:PE-2# PE-2 is the RPL owner with port 1/1/1 as an RPL end, which is blocked as expected. The revert-time is also shown to be the configured value. Detailed information is shown relating to the R-APS PDUs being transmitted on this ring as this node is the RPL owner.
  • Page 54 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Node ID : 4a:c4:ff:00:00:00 Guard Time 5 deciseconds RPL Node : rplNone Max Revert Time 60 seconds Time to Revert : N/A CCM Hold Down Time : 0 centiseconds CCM Hold Up Time : 20 deciseconds...
  • Page 55 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Ring Node PE-4: Sub-ring. *A:PE-4# show eth-ring 2 =============================================================================== Ethernet Ring 2 Information =============================================================================== Description : Ethernet Sub-ring 2 Admin State : Up Oper State : Up Node ID...
  • Page 56 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 The ring hierarchy created can be shown, either for all rings, or as below for a specific ring. *A:PE-1# show eth-ring 1 hierarchy =============================================================================== Ethernet Ring 1 (hierarchy) ===============================================================================...
  • Page 57 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology *A:PE-2# configure service vpls 11 customer 1 create description "Data VPLS" sap 1/1/1:1.11 eth-ring 1 create exit sap 1/1/2:1.11 eth-ring 1 create exit sap 1/2/1:11 create description "Sample Customer Service SAP"...
  • Page 58 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 1/1/3:1.11 Data ------------------------------------------------------------------------------- Number of SAPs : 8 =============================================================================== *A:PE-1# Statistics are available showing both the CCM and R-APS messages sent and received on a node. An associated clear command is available. *A:PE-1# show eth-cfm statistics =============================================================================== ETH-CFM System Statistics...
  • Page 59 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology For troubleshooting, the tools dump eth-ring <ring-index> command displays path information, the internal state of the control protocol, related statistics information and up to the last 16 protocol events (including messages sent and received, and the expiration of timers).
  • Page 60 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 IDLE RxF<- Fwd Fwd 000 04:26:01.010 PROT ----- Fwd Fwd 000 04:26:01.010 PROT : 0xb000 TxF-> Blk Fwd 000 04:26:03.850 pdu A: 4a:c5:ff:00:00:00-0xb020 Sf PROT : 0xb000 RxF<- Blk Fwd 000 04:31:27.710...
  • Page 61 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology propagate-topology-change exit exit path a 1/1/2 raps-tag 2.1 description "Ethernet Ring 2 - PathA" eth-cfm mep 141 domain 1 association 14 ccm-enable control-mep no shutdown exit exit...
  • Page 62 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 *A:PE-1# show service sap-using eth-ring =============================================================================== Service Access Points (Ethernet Ring) =============================================================================== SapId SvcId Eth-Ring Path Admin Oper Blocked Control/ State State Data ------------------------------------------------------------------------------- 1/1/1:1.1 Ctrl...
  • Page 63 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Configuration of a Sub-Ring to a VPLS Service (with a Non-Virtual Link) Sub-rings can be connected to VPLS services, in which case a virtual link is not used and is not configurable.
  • Page 64 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 The differences for the VPLS service connection to the configuration when the sub- ring is connected to a major ring without a virtual link are: •...
  • Page 65 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology sub-ring non-virtual-link exit path a 1/1/1 raps-tag 2.1 description "Ethernet Ring 2 - PathA" eth-cfm mep 144 domain 1 association 14 ccm-enable control-mep no shutdown exit exit...
  • Page 66 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 =============================================================================== Description : Ethernet Sub-ring 2 on Major Ring 1 Admin State : Up Oper State : Up Node ID : 4a:c4:ff:00:00:00 Guard Time 5 deciseconds RPL Node : rplNone...
  • Page 67 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology *A:PE-1# configure port 1/1/2 shutdown 100 2016/05/10 07:16:59.16 UTC WARNING: SNMP #2004 Base 1/1/2 "Interface 1/1/2 is not operational" 101 2016/05/10 07:16:59.16 UTC MINOR: ERING #2001 Base eth-ring-2 "Eth-Ring 2 path a changed fwd state to blocked"...
  • Page 68 G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 tools perform eth-ring force <ring-index> path {a|b} tools perform eth-ring manual <ring-index> path {a|b} In the following output , path “b” of eth-ring 1 is manually blocked and then cleared. Initially, both ports are unblocked.
  • Page 69 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Multiple Ring Releases Up To 15.0.R5 Topology Path Port Raps-Tag Admin/Oper Type Fwd State ------------------------------------------------------------------------------- 1/1/1 Up/Up normal unblocked 1/1/3 Up/Up normal blocked =============================================================================== *A:PE-1# *A:PE-1# *A:PE-1# tools perform eth-ring clear 1 *A:PE-1# show eth-ring 1 =============================================================================== Ethernet Ring 1 Information...
  • Page 70: Conclusion

    G.8032 Ethernet Ring Protection Multiple Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Conclusion Ethernet Ring APS provides an optimal solution for designing native Ethernet services with ring topology. With sub-rings, both multiple rings and access rings increase the versatility of G.8032.
  • Page 71: G.8032 Ethernet Ring Protection Single Ring Topology

    Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Single Ring Releases Up To 15.0.R5 Topology G.8032 Ethernet Ring Protection Single Ring Topology This chapter provides information about G.8032 Ethernet ring protection single ring topology. Topics in this chapter include: •...
  • Page 72 G.8032 Ethernet Ring Protection Single Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 The fundamentals of this ring protection switching architecture are: • the principle of loop avoidance and • the utilization of learning, forwarding, and address table mechanisms defined in the ITU-T G.8032v2 Ethernet flow forwarding function (ETH_FF) (Control plane).
  • Page 73 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Single Ring Releases Up To 15.0.R5 Topology Figure 7 shows a ring of six nodes, with the RPL owner on the top right. One link of the RPL owner is designated to be the RPL and will be blocked in order to prevent a loop.
  • Page 74 G.8032 Ethernet Ring Protection Single Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 The protection protocol uses a specific control VLAN, with the associated data VLANs taking their forwarding state from the control VLAN. Configuration The example topology is shown in Figure Figure 8 Example Topology...
  • Page 75 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Single Ring Releases Up To 15.0.R5 Topology sub-ring {virtual-link|non-virtual-link} Parameters: • ring-index — This is the number by which the ring is referenced, values: 1 to128. • ccm-hold-time {[down <down-timeout>] [up <up-timeout>]} −...
  • Page 76 G.8032 Ethernet Ring Protection Single Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 • guard-time <time> — The forwarding method, in which R-APS messages are copied and forwarded at every Ethernet ring node, can result in a message corresponding to an old request, that is no longer relevant, being received by Ethernet ring nodes.
  • Page 77 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Single Ring Releases Up To 15.0.R5 Topology • sub-ring {virtual-link|non-virtual-link} — This is beyond the scope of this chapter, as it is only required for multiple ring topologies. Prerequisites Logging Create following log-id on PE-2 to see major events logged to the console on PE-2.
  • Page 78 G.8032 Ethernet Ring Protection Single Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Configure ETH-CFM Ethernet Ring requires Eth-CFM domains, associations and MEPs being configured. The domain format should be none and association name should be ITU-T carrier code- based (ICC-based - Y.1731).
  • Page 79 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Single Ring Releases Up To 15.0.R5 Topology eth-cfm domain 1 format none level 3 association 1 format icc-based name "ring1_1_2" ccm-interval 1 remote-mepid 1122 exit association 2 format icc-based name "ring1_1_3" ccm-interval 1 remote-mepid 1133 exit...
  • Page 80 G.8032 Ethernet Ring Protection Single Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 PE-1: configure eth-ring 1 path a 1/1/1 raps-tag 1 eth-cfm mep 1121 domain 1 association 1 ccm-enable control-mep no shutdown exit exit no shutdown exit path b 1/1/2 raps-tag 1 eth-cfm...
  • Page 81 Advanced Configuration Guide - Part II G.8032 Ethernet Ring Protection Single Ring Releases Up To 15.0.R5 Topology exit exit no shutdown exit path b 1/1/2 raps-tag 1 rpl-end eth-cfm mep 1122 domain 1 association 2 ccm-enable control-mep no shutdown exit exit no shutdown exit...
  • Page 82 G.8032 Ethernet Ring Protection Single Ring Advanced Configuration Guide - Part II Topology Releases Up To 15.0.R5 Until the Ethernet Ring instance is attached to the service (VPLS in this case), the ring operational status is do