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doc: fix one command for isis

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Correct one command for isis based on code. And better the web page.

Signed-off-by: anlan_cs <anlan_cs@tom.com>
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anlan_cs 2024-05-06 20:38:57 +08:00
parent 53820a5753
commit 8b815dd2ad
1 changed files with 11 additions and 6 deletions
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17
doc/user/isisd.rst
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@ -462,10 +462,14 @@ To do so, it defines a set of Flex-Algo Definitions (FAD) which
have the following characteristics:
- a numeric identifier (ID) between 128 and 255 inclusive
- a set of constraints (basically, include or exclude a certain given set of
links, designated by a admin-group)
- the calculation type (only the `Shortest-Path-First` is currently supported)
- the metric type (only the IGP inherited metric type is currently supported)
- some additional flags (not supported for the moment).
A subset of routers advertises the Flex-Algo Definitions (FAD) to the other
@ -475,13 +479,18 @@ rules:
- If a locally configured FAD is not advertised to the area, the router does not
participate in the particular flex algorithm.
- If a given flex algorithm is running, the participation in this particular
flex algorithm stops when its advertisements are over.
- A router includes its own FAD in the election process if and only if it is
advertised to the other routers.
- If only one router advertises the FAD, the FAD is elected.
- If several FADs are advertised with different priorities, the one with the
highest priority value is selected.
- If there are multiple advertisements of the FAD with the same highest
priority, the FAD of the router with the highest IS-IS system-ID is
selected.
@ -497,15 +506,11 @@ which flex algorithm they must use for a given packet.
The following commands configure Flex-Algo at the 'router isis' configuration
level. Segment-Routing prefixes must be configured for the Flex-Algo.
.. clicmd:: flexible-algorithm (128-255)
.. clicmd:: flex-algo (128-255)
Add a Flex-Algo Definition (FAD) and enter the FAD configuration
level. The algorithm ID value is in the range of 128 to 255 inclusive.
.. clicmd:: no flexible-algorithm (128-255)
Unconfigure a Flex-Algo Definition.
.. clicmd:: affinity-map NAME bit-position (0-255)
Add the specified 'affinity-map'. Affinity-map definitions are used in
@ -517,7 +522,7 @@ level. Segment-Routing prefixes must be configured for the Flex-Algo.
admin-group 'bit-position' is set 1, else it is set to 0.
The following commands configure Flex-Algo at the 'router isis' and
'flexible-algorithm (128-255)' configuration level.
'flex-algo (128-255)' configuration level.
.. clicmd:: advertise-definition