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Implementing IS-IS on Cisco IOS XR Software
How to Implement IS-IS on Cisco IOS XR Software
RC-104
Cisco IOS XR Routing Configuration Guide
Step 8
ignore-lsp-errors disable
Example:
RP/0/RP0/CPU0:router(config-isis)#
ignore-lsp-errors disable
(Optional) Sets the router to purge LSPs received with
checksum errors.
Step 9
interface
type instance
Example:
RP/0/RP0/CPU0:router(config-isis)# interface
POS 0/1/0/3
Enters interface configuration mode.
Step 10
lsp-interval
milliseconds
[level {1 | 2}]
Example:
RP/0/RP0/CPU0:router(config-isis-if)#
lsp-interval 100
(Optional) Configures the amount of time between each
LSP sent on an interface.
Step 11
csnp-interval
seconds
[level {1 | 2}]
Example:
RP/0/RP0/CPU0:router(config-isis-if)#
csnp-interval 30 level 1
(Optional) Configures the interval at which periodic CSNP
packets are sent on broadcast interfaces.
• Sending more frequent CSNPs means that adjacent
routers must work harder to receive them.
• Sending less frequent CSNP means that differences in
the adjacent routers may persist longer.
Step 12
retransmit-interval
seconds
[level {1 | 2}]
Example:
RP/0/RP0/CPU0:router(config-isis-if)#
retransmit-interval 60
(Optional) Configures the amount of time that the sending
router waits for an acknowledgment before it considers that
the LSP was not received and subsequently resends.
Step 13
retransmit-throttle-interval
milliseconds
[level {1 | 2}]
Example:
RP/0/RP0/CPU0:router(config-isis-if)#
retransmit-throttle-interval 1000
(Optional) Configures the amount of time between
retransmissions on each LSP on a point-to-point interface.
• This time is usually greater than or equal to the
lsp-interval command time because the reason for lost
LSPs may be that a neighboring router is busy. A longer
interval gives the neighbor more time to receive
transmissions.
Step 14
mesh-group {
number
| blocked}
Example:
RP/0/RP0/CPU0:router(config-isis-if)#
mesh-group blocked
(Optional) Optimizes LSP flooding in NBMA networks
with highly meshed, point-to-point topologies.
• This command is appropriate only for an NBMA
network with highly meshed, point-to-point topologies.
Command or Action Purpose