NOTE
In an ATM or FR network, IS-IS routers are connected through Virtual Circuits (VCs), and the
interface here is the logical P2P sub-interface.
l Configuring LSP Fragments Extension
1. Run:
system-view
The system view is displayed.
2. Run:
isis [ process-id ]
The IS-IS view is displayed.
3. Run:
lsp-fragments-extend [ [ level-1 | level-2 | level-1-2 ] | [ mode-1 |
mode-2 ] ] *
LSP fragments extension is enabled in an IS-IS process.
4. Run:
virtual-system virtual-system-id
A virtual system is configured.
To configure a switch to generate extended LSP fragments, you must configure at least one
virtual system. The ID of the virtual system must be unique in the domain.
An IS-IS process can be configured with up to 50 virtual system IDs.
If neither the mode nor the level is specified when LSP fragments extension is configured,
mode-1 and Level-1-2 are used by default.
----End
6.4.4 Checking the Configuration
After configuring parameters that affect the IS-IS neighbor relationship, you can check
information about the IS-IS interface and statistics about the IS-IS process.
Prerequisites
The configurations of Establishing or Maintaining IS-IS Neighbor Relationships or Adjacencies
are complete.
Procedure
l Run display isis interface [ verbose ] [ process-id | vpn-instance vpn-instance-name ]
command to check information about the interface enabled with IS-IS.
l Check the statistics of the IS-IS process:
– display isis statistics [ level-1 | level-2 | level-1-2 ] [ process-id | vpn-instance vpn-
instance-name ]
– display isis statistics packet [ interface interface-type interface-number ]
– display isis process-id statistics [ level-1 | level-2 | level-1-2 | packet ]
----End
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 6 IS-IS Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
259
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