NOTE
The prefix-priority command is only applicable to the public network.
After the prefix-priority command is run, the convergence priority of 32-bit host routes is low, and the
convergence priorities of the other routes are determined as specified in the prefix-priority command.
Step 4 (Optional) Run:
quit
The system view is displayed.
----End
6.8.6 Checking the Configuration
After the parameters specifying the IPv4 IS-IS route convergence speed are set, run the following
commands to verify that the configurations are correct.
Procedure
l Run the display isis interface [ verbose ] [ process-id | vpn-instance vpn-instance-
name ] command to check IS-IS packet information.
l Run the display isis route [ process-id | vpn-instance vpn-instance-name ] [ ipv4 ]
[ verbose | [ level-1 | level-2 ] | ip-address [ mask | mask-length ] ]
*
command to check the
preference of IS-IS routes.
----End
6.9 Configuring Static IPv4 BFD for IS-IS
BFD can provide link failure detection featuring light load and high speed (at the millisecond
level). Static IPv4 BFD can be configured to monitor IS-IS links.
Context
In a static BFD session scenario, you need to configure single-hop BFD parameters, such as
local and remote discriminators and then configure the device to send BFD session setup
requests.
A static BFD session can only be established and released manually. A configuration error will
lead to a BFD failure. For example, if a local or remote discriminator is incorrectly configured,
a BFD session will not work properly.
Pre-configuration Tasks
Before configuring static IPv4 BFD for IS-IS, complete the following tasks:
l Assign an IP address to each interface to ensure IP connectivity.
l Configuring Basic IPv4 IS-IS Functions
Configuration Roadmap
The configuration roadmap is as follows:
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.
279
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