The lsp-fragments–extend command enables LSP fragment extension on the IS-IS switch.
The undo lsp-fragments-extend command disables LSP fragment extension on the IS-IS switch.
By default, LSP fragment extension is disabled on the IS-IS switch.
lsp-fragments-extend [ [ level-1 | level-2 | level-1-2 ] | [ mode-1 | mode-2 ] ] *
undo lsp-fragments-extend [ mode-1 | mode-2 ] [ level-1 | level-2 | level-1-2 ]
| Parameter | Description | Value |
|---|---|---|
level-1 |
Enables LSP fragment extension on a Level-1 switch. |
- |
level-2 |
Enables LSP fragment extension on a Level-2 switch. |
- |
level-1-2 |
Enables LSP fragment extension on a Level-1-2 switch. |
- |
mode-1 |
Indicates that the switch supporting LSP fragment extension is compatible with the switch with an earlier version that does not support LSP fragment extension. |
- |
mode-2 |
Requires that all the switches support LSP fragment extension. NOTE:
By default, mode-1 and level-1-2 are used. |
- |
To enable the IS-IS switch to generate extended LSP fragments, run the virtual-system command to configure at least one virtual system ID.
After the lsp-fragments–extend command is run, run the reset isis all command to restart the IS-IS process to make LSP fragment extension take effect.