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Cabletron Systems 9A656-04 Addendum

Pvc addendum to the configuration guide
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9A686-04/9A656-04 CONFIGURATION GUIDE
This addendum to the 9A686-04/9A656-04 Configuration Guide provides an overview of the
configurations that must take place before the first PVC can be created, and describes how to create a
PVC on the 9A686-04 and 9A656-04. This document provides a configuration example, with instructions
on how to create a PVC to meet the needs of the network.
This guide is for Cabletron Systems service personnel and QUALIFIED customer
NOTE
maintenance personnel who are familiar with installing networking systems, and have
a working knowledge of ATM networks, and the use of MIBs to configure network
devices.
The information contained in this supplement supersedes ANY and ALL information
regarding PVCs described in the 9A686-04/9A656-04 Configuration Guide .
Unless noted otherwise, the information contained in this supplement pertains to both
the 9A686-04 and the 9A656-04.
Throughout this document, the user is often instructed to verify the settings configured
!
in the previous step. It is highly recommended the user perform these verification
CAUTION
steps. This will assist the user in determining where problems may have occurred if the
PVC does not become operational.
Overview
This document includes the following topics:
•
Overview of ILMI 4.0 and the SmartSwitch 9500 system, and how it pertains to the creation of PVCs.
•
Overview of Persistence, and how it pertains to the creation of PVCs.
•
Overview of the front panel interface numbering, and CTM backplane interface numbering schemes
supported by the 9A686-04 and 9A656-04.
•
Overview of Traffic Descriptors, and how they pertain to the creation of PVCs.
•
Overview of creating a PVC across the CTM backplane of the SmartSwitch 9500.
•
A step-by-step instructs how to perform the following tasks:
•
Configure the ILMI settings of a SmartSwitch 9500
•
Verify that persistence is active on the SmartSwitch 9500
•
Create a new traffic descriptor
•
Create a PVC from a front panel interface on a 9A686-04 to another front panel interface on the same
9A686-04
9033126-01
PVC ADDENDUM TO THE
Page 1 of 43

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  • Page 1 PVC ADDENDUM TO THE 9A686-04/9A656-04 CONFIGURATION GUIDE This addendum to the 9A686-04/9A656-04 Configuration Guide provides an overview of the configurations that must take place before the first PVC can be created, and describes how to create a PVC on the 9A686-04 and 9A656-04. This document provides a configuration example, with instructions on how to create a PVC to meet the needs of the network.

  • Page 2: Ilmi 4.0 And The Smartswitch 9500 System

    PVC Addendum to the 9A686-04/9A656-04 Configuration Guide ILMI 4.0 and the SmartSwitch 9500 System By default, the SmartSwitch 9500 is an SVC-only switch. This means that no VPI/VCI pairs are reserved for PVCs. Before the user can create a PVC, the default ILMI settings must be changed to reserve VPI/VCI pairs for PVC use.
  • Page 3 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Max SVCC VPI=4095 4095 Reserved by the 0-31 ATM Forum 0-4095 VCI Values 32-16K VCI 32-16K VPI Values 0-4095 VPI 0-4095 Available for Use by SVCs ONLY VPI Range VCI Range Min SVCC VCI=32 Figure 1 Default ILMI Settings Figure 1 displays the default settings of ILMI for the 9A686-04 and 9A656-04.
  • Page 4 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 2 Modified ILMI Configuration Menu Screen Changing the values of the ILMI Configuration screen will cause all current connections on the system to be dropped. CAUTION Figure 2 displays how the ILMI Configuration Menu screen may be used to change the SmartSwitch 9500 from the default settings.
  • Page 5 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 3 provides an example of a user-defined ILMI configuration. In this example the user has increased the minimum VCI value for SVCCs from the default value of 33 to 200. The maximum VPI value for SVCCs has been set to 3, and the maximum VPI value for SVPCs has been set to 4.
  • Page 6 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Front Panel Interface (Port) Numbering Read through the following section to learn about the front panel interface numbering scheme used by the 9A686-04 and 9A656-04. An understanding of this numbering scheme is necessary to create a PVC on a front panel interface.
  • Page 7 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide CTM (Backplane) Interface Numbering Scheme Read through the following section to learn about the CTM interface numbering scheme used by the 9A686-04 and 9A656-04. An understanding of this numbering scheme is necessary to create a PVC across the CTM backplane.
  • Page 8 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Table 5 CTM Interface Numbering for a 9A686-04 Installed in the 14-Slot SmartSwitch 9500 To the 9A656-04 or 9A686-04 installed in slot number X 9033126-01 Page 8 of 43...
  • Page 9 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Table 6 CTM Interface Numbering for a 9A656-04 Installed in the 6-Slot SmartSwitch 9500 To the 9A656-04 or 9A686-04 installed in slot number X 1001 1002 1101 1102 1201 1202 1301 1302 1401 1402 xxxx xxxx...
  • Page 10 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Traffic Descriptors for the 9A686-04 and 9A656-04 If the user is creating a PVC for the first time, the user must also create a traffic descriptor. A traffic descriptor profile instructs the two interfaces, or sides, of the PVC as to what type of ATM connection they will support.
  • Page 11 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 4 contains three callouts, which are described as follows: Displays the first PVC the user must create between port 3 of ANIM 1 to one of the CTM backplane interfaces. Refer to page 6 for a description of the interface numbering scheme of the 9A686-04 and 9A656-04.
  • Page 12 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide If the modules in Figure 4 were 9A656-04s, the user would create PVCs between the NOTE following interfaces: From interface 10103 (port 3 of ANIM 1 of the 9A656-04 installed in slot 1) to interface 11502 (interface number of the CTM interface of the slot 1 9A656-04 that is connected to the 9A656-04 installed in slot 14, refer to Table...
  • Page 13 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step-By-Step Example of Adjusting ILMI Parameters, Verifying Persistence, Creating a Traffic Descriptor, and Creating a PVC Proceed through the following steps to configure the required parameters and to create the PVC: Step 1. Adjust the ILMI Parameters. This section is only required when the 9A686-04 and 9A656-04 have kept their default NOTE ILMI settings.
  • Page 14 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide In this example, the ILMI Configuration screen is used to set the following parameters: • MIN SVCC VCI field is set to 400. • MIN CTM SVCC VCI field is set to 32 •...
  • Page 15 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 6 SPVC Destination Creation Screen Turning Off Persistence Before performing the following substeps, be aware that by doing so, persistence will NOT be supported by ANY 9A686-04 or 9A656-04 installed in this SmartSwitch 9500. CAUTION If a module is reset, ALL PVCs, and other configurations on the entire chassis will be lost.
  • Page 16 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Create a Traffic Descriptor The following subsections provide instructions on creating a traffic descriptor profile to be assigned to the PVC. Multiple PVCs can share the same traffic descriptor, however, the user MUST create at least one traffic descriptor.
  • Page 17 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Points out the user-defined value that will be assigned to this Traffic Descriptor. In this example, the value assigned is 15. The user, however, may assign any value to the descriptor as long as this value does not already exist.
  • Page 18 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Points out that the Instance set to Create and Wait back in step 3, has been successfully created. This is signified in Figure 8 by the Instance (15) currently assigned integer 3 (“notReady”). If the Instance does not display, or displays a value other than “notReady”, verify that NOTE the value assigned to the Instance in...
  • Page 19 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Table 8 Traffic Descriptor Profiles (Continued) Traffic Traffic Descriptor Descriptor Param 1 Param 2 Param 3 Param 4 Param5 Profile Name Number atmClpNoTag CDVT gingMcr (clp=0+1) atmClpTrans CDVT parentNoScr (clp=0+1) atmClpTrans CDVT RT-VBR parentScr NRT-VBR (clp=0+1)
  • Page 20 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 5. Assign the ATM traffic descriptor type. This section describes how to set an ATM traffic descriptor type for the user defined instance. In this example, the ATM traffic descriptor “atmNoClpScr”, which signifies a Variable Bit Rate (VBR) connection, is used.
  • Page 21 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 6. Verify the ATM traffic descriptor type has been assigned to the instance. This section describes how to verify that the traffic descriptor type has been set, before continuing with the configuration. Refer to Figure Figure 10 Verifying the Traffic Descriptor Type Has Been Assigned to the Instance Figure 10...
  • Page 22 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 7. Set ATM traffic descriptor parameter 1. This section describes how to set the first traffic parameter for this traffic descriptor. Traffic parameter 1 is used to determine the Peak Cell Rate (PCR) that this traffic descriptor will use. Refer to Figure Depending on the traffic descriptor type selected, the user MUST assign values to the applicable number of parameters required by the traffic descriptor type.
  • Page 23 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Points out that the user-defined instance currently has a PCR of 0 cells a second. This value MUST be changed. Step 8. Verify the ATM traffic descriptor parameter 1 has been set. This section describes how to verify that the PCR assigned in step 7 has been properly set to the traffic descriptor.
  • Page 24 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 9. Assign a value to ATM traffic descriptor parameter 2. Depending on the traffic descriptor type selected, the user MUST assign values to the applicable number of parameters required by the traffic descriptor type. For example, CAUTION this traffic descriptor type, “atmNoCpScr”...
  • Page 25 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Points out that the user-defined instance (value 15) with a Sustained Cell Rate (SCR) of 500 cells a second is about to be set for this instance. Points out that the user-defined instance currently has an SCR of 0 cells a second. This value MUST be changed for the traffic descriptor to function.
  • Page 26 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 11. Set ATM traffic descriptor parameter 3. Depending on the Traffic Descriptor Type selected, the user MUST assign values to the applicable number of parameters required by the traffic descriptor type. For example, CAUTION this traffic descriptor type, “atmNoCpScr”...
  • Page 27 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Points out that the user-defined instance (value 15) with a Maximum Burst Size (MBS) of 75 is about to be set for this instance. Points out that the user-defined instance currently has an MBS of 0. This value MUST be changed for the traffic descriptor to function.
  • Page 28 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 13. Set the Quality of Service (QoS) for the traffic descriptor. This section describes how to set the level of QoS that the traffic descriptor will use. Refer to Figure Figure 17 Setting the QoS for the Traffic Descriptor Figure 17 contains two callouts, which are defined as follows: Displays the MIB command used to view this information (atmTrafficQoSClass) and the OID string used...
  • Page 29 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Table 9 QoS Integers and Definitions Integer Definition Best Effort Unspecified Bit Rate (UBR) Constant Bit Rate (CBR) Variable Bit Rate (VBR) Available Bit Rate (ABR) Connectionless Data Unspecified Bit Rate (UBR) Step 14. Verify the level of QoS has been properly set. This section describes how to verify that the level of QoS set back in step 13 has been properly...
  • Page 30 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 18 contains two callouts, which are defined as follows: Displays the MIB command used to view this information (atmTrafficQoSClass) and the OID string used to access this command (1.3.6.1.2.1.37.1.5.1.8). Points out that the user-defined traffic descriptor (value 15) has been properly set to VBR (integer 2). Step 15.
  • Page 31 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 16. Verify the traffic descriptor is active. This section describes how to verify that the user-defined traffic descriptor is now active. The traffic descriptor MUST be active before the PVC can be configured. Refer to Figure Figure 20 Verifying the Traffic Descriptor is Active Figure 20...
  • Page 32 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 17. Set the interface, VPI and VCI values of the first side of the PVC. This section describes how to specify the interface that will support the PVC, and the VPI and VCI values the PVC will use.
  • Page 33 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide If this connection will be a PVP, a VCI need not be assigned. NOTE • The 113 represents the VCI that has been chosen for this PVC. In addition, this information has been set to integer 5 (createAndWait). Do NOT set this information to integer 1 (active) until instructed to do so.
  • Page 34 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 22 contains two callouts, which are defined as follows: Displays the MIB command used to view this information (atmVclRowStatus) and the OID string used to access this command (1.3.6.1.2.1.37.1.7.1.13). Points out that the information created back in step 17 was properly created and is currently set to integer 3 (notReady).
  • Page 35 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Figure 23 contains two callouts, which are described as follows: Displays the MIB command used to view this information (atmVclReceiveTrafficDescrIndex) and the OID string used to access this command (1.3.6.1.2.1.37.1.7.1.6). Points out that the receive side of this end of the PVC (30301, or port 1 of ANIM 3 of the module installed in slot 3) is about to be set to the traffic descriptor created previously (integer 15).
  • Page 36 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Points out that the receive side of the interface has been properly assigned to use traffic descriptor index 15. Step 21. Assign the traffic descriptor profile to the transmit side of the interface. This section describes how to assign the user-defined traffic descriptor to the transmit side of the interface.
  • Page 37 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 22. Verify the traffic descriptor was properly set for the transmit side of the interface. This section describes how to verify that the settings created back in step 21 were properly set. Refer to Figure Figure 26 Verifying the Traffic Descriptor for the Transmit Side of the Interface Figure 26...
  • Page 38 Figure 27 displays how to get this value by using the Mr. MIT SNMP MIB Query program. The Mr. MIT program is used because Enterasys Systems SPECTRUM MIB Browser cannot be used to get the CCID. The user may also perform the following command from a UNIX workstation to get the...
  • Page 39 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 25. Activate the first side of the PVC. This section describes how to activate the first side of the PVC. Refer to Figure Figure 28 Activating the PVC Figure 28 contains three callouts, which are described as follows: Displays the MIB command used to view this information (atmVclRowStatus) and the OID string used to access this command (1.3.6.1.2.1.37.1.7.1.13).
  • Page 40 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 26. Activate the other side of the PVC. After the first side of the PVC has been set to active, perform step 25 again, this time using the interface value of the other side of the PVC. In this example, the other interface is 30302. Step 27.
  • Page 41 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Step 29. Assign the CCID to both sides of the PVC. This section describes how to assign the CCID, which was learned back in step 24, to both sides of the PVC. Refer to Figure Figure 30 Assigning the CCID to Both Sides of the PVC Figure 30...
  • Page 42 PVC Addendum to the 9A686-04/9A656-04 Configuration Guide • VPI of the PVC (in this example, 11) • VCI of the PVC (in this example, 113) Therefore, in this example, the information that must be entered is 4099.30301.11.113.30302.11.113. Once this information has been entered, the PVC MUST be set to integer 4 (createAndGo). Step 30.

  • Page 43: Getting Help

    PVC Addendum to the 9A686-04/9A656-04 Configuration Guide Getting Help For additional support related to this device or document, contact Enterasys Systems using one of the following methods: World Wide Web http://www.cabletron.com/ Phone (603) 332-9400 Internet mail support@cabletron.com ftp://ftp.cabletron.com/ Login anonymous...

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