Cisco BPX 8650, Installation And Configuration Manual

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Cisco BPX 8600 Series Installation and Configuration
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
Chapter 24 Configuring BXM Virtual Trunks
Command Overview
The network topology as seen from a dsptrks command at BPX_A would be:
BPX_A 4.3.1-10.2.1/IGX_A
BPX_A 4.3.2-5.1.1/BPX_B
Command Overview
The commands summarized are specific to virtual trunk usage on the BPX, using the BXM cards. For
complete information about each these commands, refer to the
Cisco WAN Switching Command
Reference and Cisco WAN Switch SuperUser Command Reference .
For information about the UXM, refer to the IGX 8400 Series documents. Also, refer to the Cisco WAN
Manager documents for application information using a graphical user interface for implementing
command functions.
Primary Configuration Commands
The primary commands used for configuration of virtual trunks are described in Table 24-4.
Table 24-4 Commands Used for Primary Configuration
Name Description
cnftrk Configures a trunk. The following are the main parameters:
•
Transmit trunk rate
• Trunk VPI
•
Virtual Trunk Type
• Connection Channels
•
Valid Traffic Classes
The VPI configured for a virtual trunk must match the VPI of the VPC in the public ATM cloud.
Every cell transmitted to the virtual trunk has a VPI value. The following are the valid VPC VPIs
that depend on the port type:
Port Type Valid VPI Range
BXM/UXM (UNI) 1 to 255
BXM/UXM (NNI) 1 to 4095
BNI T3/E3 1 to 255
BNI OC-3 1 to 63