[frr] syntax for route map matching ipv6 prefix

Fri Jan 27 03:31:40 EST 2017

Hi,

what I get is (on freebsd 10.3) - more precise I have installed you FRR package on BSDRP (version 1.60)

[root at R-Kunde-2]~# vtysh
2017/01/27 08:24:20 unknown: cmd_yyerror: FATAL parse error: Duplicate command.
2017/01/27 08:24:20 unknown: cmd_yyerror: 1:1-16 of this command definition:
2017/01/27 08:24:20 unknown: cmd_yyerror: | exit-vrf-policy
2017/01/27 08:24:20 unknown: cmd_yyerror: | ^^^^^^^^^^^^^^^
2017/01/27 08:24:20 unknown: cmd_yyerror: FATAL parse error: syntax error
2017/01/27 08:24:20 unknown: cmd_yyerror: 1:8-9 of this command definition:
2017/01/27 08:24:20 unknown: cmd_yyerror: | labels .LABELLIST
2017/01/27 08:24:20 unknown: cmd_yyerror: |        ^
2017/01/27 08:24:20 unknown: cmd_yyerror: FATAL parse error: Duplicate command.
2017/01/27 08:24:20 unknown: cmd_yyerror: 1:1-16 of this command definition:
2017/01/27 08:24:20 unknown: cmd_yyerror: | vrf-policy NAME
2017/01/27 08:24:20 unknown: cmd_yyerror: | ^^^^^^^^^^^^^^^
2017/01/27 08:24:20 unknown: cmd_yyerror: FATAL parse error: syntax error
2017/01/27 08:24:20 unknown: cmd_yyerror: 1:11-12 of this command definition:
2017/01/27 08:24:20 unknown: cmd_yyerror: | no labels .LABELLIST
2017/01/27 08:24:20 unknown: cmd_yyerror: |           ^
2017/01/27 08:24:20 unknown: cmd_yyerror: FATAL parse error: syntax error
2017/01/27 08:24:20 unknown: cmd_yyerror: 1:25-26 of this command definition:
2017/01/27 08:24:20 unknown: cmd_yyerror: | no set large-comm-list <(1-99|(100-500)|WORD)> [delete]
2017/01/27 08:24:20 unknown: cmd_yyerror: |                         ^
2017/01/27 08:24:20 unknown: Ran out of docstring while parsing 'no label'
2017/01/27 08:24:20 unknown: Ran out of docstring while parsing 'add vrf NAME prefix <A.B.C.D/M|X:X::X:X/M> [rd ASN:nn_or_IP-address] [label (0-1048575)] [preference (0-4294967295)]'
% Can't open configuration file /usr/local/etc/frr-test/vtysh.conf due to 'No such file or directory'.

R-Kunde-2# conf t
R-Kunde-2(config)# ipv6 prefix-list V6-PREFIX seq 5 permit 2001:db8:1cc:222::/64
R-Kunde-2(config)# route-map V6-RM permit 10
R-Kunde-2(config-route-map)#  match ipv6 address prefix-list V6-PREFIX
% Ambiguous command.
R-Kunde-2(config-route-map)#

Best regards

Thomas

Am 26.01.2017 um 21:36 schrieb Donald Sharp:
> Thomas -
>
> Here is what I am seeing:
>
> s1 ----- robot
>
> s1's config:
> !
> router bgp 10
>  bgp router-id 10.0.2.15
>  no bgp network import-check
>  neighbor 4.3.2.1 remote-as external
>  neighbor fe:c002:1:2::2 remote-as 10
>  neighbor fe:c002:1:2::13 remote-as external
> !
>  address-family ipv6 unicast
>   network 3:2:1::/64
>   neighbor fe:c002:1:2::2 activate
>   neighbor fe:c002:1:2::13 activate
>  exit-address-family
> !
>
>  s1# show bgp ipv6 unic
> BGP table version is 4, local router ID is 10.0.2.15
> Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
>               i internal, r RIB-failure, S Stale, R Removed
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
>    Network          Next Hop            Metric LocPrf Weight Path
> *> 3:2:1::/64       ::                       0         32768 i
> *> 2001:db8:1cc:222::/64
>                     ::                       0         32768 i
> *> 2001:db8:1cc:223::/64
>                     ::                       0         32768 i
> *> 2002:db9:432:1::/64
>                     ::                       0         32768 i
>
> Total number of prefixes 4
> s1#
>
> on robot we have:
>
> !
> router bgp 44
>  neighbor fe:c002:1:2::1 remote-as external
>  !
>  address-family ipv6 unicast
>   neighbor fe:c002:1:2::1 activate
>   neighbor fe:c002:1:2::1 route-map V6-RM in
>  exit-address-family
> !
> !
> ipv6 prefix-list V6-PREFIX seq 5 permit 2001:db8:1cc:222::/64
> !
> route-map V6-RM permit 10
>  match ipv6 address prefix-list V6-PREFIX
> !
>
> robot.cumulusnetworks.com# show bgp ipv6
> BGP table version is 5, local router ID is 192.168.122.1
> Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
>               i internal, r RIB-failure, S Stale, R Removed
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
>    Network          Next Hop            Metric LocPrf Weight Path
> *> 2001:db8:1cc:222::/64
>                     fe80::a00:27ff:fe96:bff9
>                                              0             0 10 i
>
> Displayed  1 routes and 1 total paths
> robot.cumulusnetworks.com#
>
>
> Let's add a new item to the prefix-list:
> robot.cumulusnetworks.com# conf t
> robot.cumulusnetworks.com(config)# ipv6 prefix-list V6-PREFIX seq 10
> permit 2002:db9:432:1::/64
> robot.cumulusnetworks.com(config)# end
> robot.cumulusnetworks.com# show bgp ipv6
> BGP table version is 5, local router ID is 192.168.122.1
> Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
>               i internal, r RIB-failure, S Stale, R Removed
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
>    Network          Next Hop            Metric LocPrf Weight Path
> *> 2001:db8:1cc:222::/64
>                     fe80::a00:27ff:fe96:bff9
>                                              0             0 10 i
>
> Displayed  1 routes and 1 total paths
>
> whoops...
>
> robot.cumulusnetworks.com# clear bgp *
> robot.cumulusnetworks.com# show bgp ipv6
> BGP table version is 8, local router ID is 192.168.122.1
> Status codes: s suppressed, d damped, h history, * valid, > best, = multipath,
>               i internal, r RIB-failure, S Stale, R Removed
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
>    Network          Next Hop            Metric LocPrf Weight Path
> *> 2001:db8:1cc:222::/64
>                     fe80::a00:27ff:fe96:bff9
>                                              0             0 10 i
> *> 2002:db9:432:1::/64
>                     fe80::a00:27ff:fe96:bff9
>                                              0             0 10 i
>
> Displayed  2 routes and 2 total paths
> robot.cumulusnetworks.com#
>
> It sure looks like some sort of soft clear issue.  I've filed:
> https://github.com/freerangerouting/frr/issues/126
>
> I am not sure why this does not work at the moment.  I would have
> expected it too.
>
> donald
>
> On Thu, Jan 26, 2017 at 10:48 AM, Thomas Hilse <thhi.1964 at gmail.com> wrote:
>> Hi team,
>>
>> I have tried FRR (version
>> 2.0-rc0-ci.NetDEF.org-20170126.021714-git.1e78204) downloaded from the
>> "netdef" build system:
>>
>> https://ci1.netdef.org/ (FRR build #53 - version for freebsd 10.3)
>>
>> In my test setup - dual homed connection to one ISP - all seems to work
>> as expected. (quagga 1.1.1 has a regression -
>> https://bugzilla.quagga.net/show_bug.cgi?id=870
>> FRR in my setup is not affected from this regression.)
>>
>> However I am wondering how to define a route map matching an ipv6 prefix
>> in FRR. The syntax which is working with quagga seems to be invalid in
>> FRR (or not supported). I am using route maps to filter the
>> redistribution of routes and to modify the BGP route metricies between
>> the two connections to our ISP.
>>
>> ipv6 prefix-list V6-PREFIX seq 5 permit 2001:db8:1cc:222::/64
>> !
>> route-map V6-RM permit 10
>>   match ipv6 address prefix-list V6-PREFIX
>> !
>>
>> Best regards
>>
>> Thomas
>>
>> _______________________________________________
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