![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/1/8b/18b1e1e7-4363-4706-bb94-6eba3a993996/18b1e1e7-4363-4706-bb94-6eba3a993996-bg434.png)
1076 CHAPTER 74: IS-IS CONFIGURATION COMMANDS
log-peer-change (IS-IS view)
Syntax log-peer-change
undo log-peer-change
View IS-IS view
Parameters None
Description Use the
log-peer-change command to enable logging on IS-IS adjacency state
changes.
Use the
undo log-peer-change command to disable the logging.
The feature is enabled by default.
After the feature is enabled, information about IS-IS adjacency state changes is
sent to the configuration terminal.
Examples # Enable logging on the IS-IS adjacency state changes.
<Sysname> system-view
[Sysname] isis
[Sysname-isis-1] log-peer-change
lsp-fragments-extend
Syntax lsp-fragments-extend [[level-1 | level-2 | level-1-2 ] | [ mode-1 | mode-2 ]] *
undo lsp-fragments-extend
View IS-IS view
Parameters mode-1: Fragment extension mode 1, used on a network where some routers do
not support LSP fragment extension.
mode-2: Fragment extension mode 2, used on a network where all routers
support LSP fragment extension.
level-1: Applies the fragment extension mode to Level-1 LSPs.
level-2: Applies the fragment extension mode to Level-2 LSPs.
level-1-2: Applies the fragment extension mode to both Level-1 and Level-2 LSPs.
n
The mode-1 and level-1-2 keywords are used by default.