H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 4 IS-IS Configuration
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 Note:
If multiple routers in the broadcast network have the same highest DIS priority, the
router with the highest MAC address becomes the DIS. This rule applies even all
routers’ DIS priority is 0.
4.5.3 Configuring IS-IS Timers
Follow these steps to configure the IS-IS timers:
To do… Use the command… Remarks
Enter system view
system-view
––
Enter interface view
interface interface-type
interface-number
––
Specify the interval
between hello packets
isis timer hello seconds
[ level-1 | level-2 ]
Optional
10 seconds by default
Specify the number of
hello packets; within the
time for receiving the
specified hello packets, if
no hello packets are
received on the interface,
the neighbor is
considered dead.
isis timer
holding-multiplier value
[ level-1 | level-2 ]
Optional
3 by default
Specify the interval for
sending CSNP packets
isis timer csnp seconds
[ level-1 | level-2 ]
Optional
10 seconds by default
Specify the interval for
sending LSP packets
isis timer lsp time
[ count count ]
Optional
33 milliseconds by default
Specify the LSP
retransmission interval on
the point-to-point link
isis timer retransmit
seconds
Optional
5 seconds by default