3com S7906E Guide De Référence

 

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2: System level 

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. 

Use the lsp-fragments–extend command to enable an LSP fragment extension mode for a level.  

Use the undo lsp-fragments–extend command to disable LSP fragment extension for a level.  

LSP fragment extension is disabled by default.  

Note that: 

z 

If no mode is specified, LSP fragment extension mode 1 is enabled.  

z 

If no level is specified, the LSP fragment extension mode is enabled for both Level-1 and Level-2. 

# Enable LSP fragment extension mode 1 for Level-2. 

<Sysname> system-view 

[Sysname] isis 

[Sysname-isis-1] lsp-fragments-extend mode-1 level-2 

lsp-length originate size [ level-1 | level-2 ] 

undo lsp-length originate [ level-1 | level-2 ] 

IS-IS view 

2: System level 

size: Specifies the maximum size in bytes of LSP packets, ranging from 512 to 16384.  

level-1: Applies the size to Level-1 LSP packets.  

level-2: Applies the size to Level-2 LSP packets.