diff options
| -rw-r--r-- | docs/sources/cli-command-syntax.md | 15 | ||||
| -rw-r--r-- | docs/sources/filter-detail.md | 16 |
2 files changed, 23 insertions, 8 deletions
diff --git a/docs/sources/cli-command-syntax.md b/docs/sources/cli-command-syntax.md index 730d712e..6faac956 100644 --- a/docs/sources/cli-command-syntax.md +++ b/docs/sources/cli-command-syntax.md @@ -273,7 +273,7 @@ If you want to remove one element(community) of CommunitySet, to specify a addre #### - example If you want to add the RoutePolicy： ```shell -% gobgp policy routepolicy add policy1 state1 --c-prefix=ps1 --c-neighbor=ns1 --c-aspath=ass1 --c-community=cs1 --c-aslen=eq,3 --c-option=all --a-route=reject --a-community=ADD[65100:20] --a-med=+100 +% gobgp policy routepolicy add policy1 state1 --c-prefix=ps1 --c-neighbor=ns1 --c-aspath=ass1 --c-community=cs1 --c-aslen=eq,3 --c-option=all --a-route=reject --a-community=ADD[65100:20] --a-med=+100 --a-asprepend=65100,10 ``` However, it is not necessary to specify all of the options at once. @@ -296,15 +296,16 @@ The following options can be specified in the policy subcommand: |- |c-prefix |specify the name that added prefix set in PrefixSet subcommand | |- |c-neighbor |specify the name that added neighbor set in NeighborSet subcommand | |- |c-aspath |specify the name that added as path set in AsPathSet subcommand | -|- |c-community |pecify the name that added community set in CommunitySet subcommand | +|- |c-community |specify the name that added community set in CommunitySet subcommand| |- |c-aslen |specify the operator(eq, ge, le) and value(numric) | |- |c-option |specify the match option(any, all, invert) | - options of action -| short |long | description | -|--------|------------|-----------------------------------------------------------------------------| -|- |a-route |specify the action(accept, reject) of the route that match to the conditions | -|- |a-community |specify the community operation of the route that match to the conditions | -|- |a-med |specify the med operation of the route that match to the conditions | +| short |long | description | +|--------|------------|---------------------------------------------------------------------------------------------------------------| +|- |a-route |specify the action(accept, reject) of the route that match to the conditions | +|- |a-community |specify the community operation of the route that match to the conditions | +|- |a-med |specify the med operation of the route that match to the conditions | +|- |a-asprepend |specify a combination of an AS number and repeat count(e.g. 65100,10) to prepend if the path matches conditions| diff --git a/docs/sources/filter-detail.md b/docs/sources/filter-detail.md index d4251c1a..6ae42a0e 100644 --- a/docs/sources/filter-detail.md +++ b/docs/sources/filter-detail.md @@ -20,6 +20,7 @@ A action part is below: - accept or reject - add/replace/remove community or remove all communities - add/subtract or replace MED value + - prepend AS number in the AS_PATH attribute GoBGP's configuration file has two parts named DefinedSets and PolicyDefinitionList as its policy configuration. @@ -365,6 +366,9 @@ You can write condition and action under StatementList. [PolicyDefinitionList.StatementList.Actions.BgpActions.SetCommunity] Communities = ["65100:20"] Options = "ADD" + [PolicyDefinitionList.StatementList.Actions.BgpActions.SetAsPathPrepend] + As = "65005" + RepeatN = 5 ``` The elements of PolicyDefinitionList are as follows: @@ -425,6 +429,13 @@ You can write condition and action under StatementList. | Communities | communities used to manipulate the route's community accodriong to Options below | "65100:20" | | Options | operator to manipulate Community attribute in the route | "ADD" | + - PolicyDefinitionList.StatementList.Actions.BgpActions.SetAsPathPrepend + + | Element | Description | Example | + |---------|-------------------------------------------------------------------------------------------------------|---------| + | As | AS number to prepend. You can use "last-as" to prepend the leftmost AS number in the aspath attribute.| "65100" | + | RepeatN | repeat count to prepend AS | 5 | + <br> ##### Examples @@ -514,7 +525,7 @@ You can write condition and action under StatementList. - AsPathSet: *aspath1* - AsPath length: *equal 2* - - If a route matches all these conditions, the route is accepted and added community "65100:20" and subtract 200 from med value. + - If a route matches all these conditions, the route is accepted and added community "65100:20" and subtracted 200 from med value and prepended 65005 five times in its AS_PATH attribute. ``` # example 4 @@ -539,6 +550,9 @@ You can write condition and action under StatementList. [PolicyDefinitionList.StatementList.Actions.BgpActions.SetCommunity] Communities = ["65100:20"] Options = "ADD" + [PolicyDefinitionList.StatementList.Actions.BgpActions.SetAsPathPrepend] + As = "65005" + RepeatN = 5 ``` |