Command Manual – Routing Protocol
Quidway S8500 Series Routing Switches Chapter 4 Integrated IS-IS Configuration Commands
Huawei Technologies Proprietary
4-22
The interface joining a mesh group only floods the received LSP to the interfaces
beyond the local mesh group.
Make sure to provide some redundancy when adding an interface to a mesh group or
blocking it, avoiding the affect to the normal flooding of the LSP due to link failure.
Example
# Add Vlan-interface 20 running IS-IS to mesh group 3.
[Quidway-Vlan-interface20] isis mesh-group 3
4.1.24 isis timer csnp
Syntax
isis timer csnp seconds [ level-1 | level-2 ]
undo isis timer csnp [ level-1 | level-2 ]
View
Interface view
Parameter
seconds: Specifies the CSNP packet interval on the broadcast network, ranging from 1
to 65535 and measured in seconds. By default, the value is 10 seconds.
level-1: Specifies the Level-1 CSNP packet interval.
level-2: Specifies the Level-2 CSNP packet interval.
Description
Use the isis timer csnp command to configure the interval of sending CSNP packets
on the broadcast network.
Use the undo isis timer csnp command to restore the default value, that is, 10
seconds.
Only DIS can periodically send CSNP packets, therefore, this command is valid only for
the router that is selected as the DIS. Furthermore, DIS is divided into level-1 and
level-2, and their intervals of sending CSNP packets must be set respectively.
Example
# Set the CSNP packet of Level-2 to be transmitted every 15 seconds on the interface
Vlan-interface 10.
[Quidway] interface Vlan-interface 10
[Quidway-Vlan-interface10] isis timer csnp 15 level-2
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