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Cisco ME 3800X and 3600X Switch Software Configuration Guide
OL-23400-01
Chapter 29 Configuring IP Unicast Routing
Configuring ISO CLNS Routing
To disable default route generation, use the no default-information originate router configuration
command. Use the no area-password or no domain-password router configuration command to disable
passwords. To disable LSP MTU settings, use the no lsp mtu router configuration command. To return
Step 12
lsp-gen-interval [level-1 | level-2]
lsp-max-wait [lsp-initial-wait
lsp-second-wait]
(Optional) Set the IS-IS LSP generation throttling timers:
• lsp-max-wait—the maximum interval (in seconds) between two
consecutive occurrences of an LSP being generated. The range is 1 to
120, the default is 5.
• lsp-initial-wait—the initial LSP generation delay (in milliseconds).
The range is 1 to 10000; the default is 50.
• lsp-second-wait—the hold time between the first and second LSP
generation (in milliseconds). The range is 1 to 10000; the default is
5000.
Step 13
spf-interval [level-1 | level-2]
spf-max-wait [spf-initial-wait
spf-second-wait]
(Optional) Sets IS-IS shortest path first (SPF) throttling timers.
• spf-max-wait—the maximum interval between consecutive SFPs (in
seconds). The range is 1 to 120, the default is 10.
• spf-initial-wait—the initial SFP calculation after a topology change (in
milliseconds). The range is 1 to 10000; the default is 5500.
• spf-second-wait—the holdtime between the first and second SFP
calculation (in milliseconds). The range is 1 to 10000; the default is
5500.
Step 14
prc-interval prc-max-wait
[prc-initial-wait prc-second-wait]
(Optional) Sets IS-IS partial route computation (PRC) throttling timers.
• prc-max-wait—the maximum interval (in seconds) between two
consecutive PRC calculations. The range is 1 to 120; the default is 5.
• prc-initial-wait—the initial PRC calculation delay (in milliseconds)
after a topology change. The range is 1 to 10,000; the default is 2000.
• prc-second-wait—the hold time between the first and second PRC
calculation (in milliseconds). The range is 1 to 10,000; the default is
5000.
Step 15
log-adjacency-changes [all] (Optional) Set the router to log IS-IS adjacency state changes. Enter all to
include all changes generated by events that are not related to the
Intermediate System-to-Intermediate System Hellos, including End
System-to-Intermediate System PDUs and link state packets (LSPs).
Step 16
lsp-mtu size (Optional) Specify the maximum LSP packet size in bytes. The range is 128
to 4352; the default is 1497 bytes.
Note If any link in the network has a reduced MTU size, you must change
the LSP MTU size on all routers in the network.
Step 17
partition avoidance (Optional) Causes an IS-IS Level 1-2 border router to stop advertising the
Level 1 area prefix into the Level 2 backbone when full connectivity is lost
among the border router, all adjacent level 1 routers, and end hosts.
Step 18
end Return to privileged EXEC mode.
Step 19
show clns Verify your entries.
Step 20
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
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