Malformed communities attribute '31210:0:31210'

[liuxyon]

I am using FRR10.2 ubuntu 24.04. when i setup 31210:0:31210 communities, it is show : Malformed communities attribute '31210:0:31210'

https://bgp.he.net/AS31210#_whois
Route-servers DO NOT modify, process or remove communities received from customers except
remarks: those which are processed by the route-servers themselves:
remarks: +-------------+--------------------+-------------------+---------------------------------------+
remarks: | RFC1997 | RFC4360 | RFC8092 | Meaning |
remarks: +-------------+--------------------+-------------------+---------------------------------------+
remarks: | 0:31210 | target:0:31210 | 31210:0:31210 | Do not announce route to any peer |
remarks: | 0:X | target:0:X | 31210:0:X | Do not announce route to AS X |
remarks: | 31210:X | target:31210:X | 31210:31210:X | Announce route only to AS X |
remarks: | 31210:31210 | target:31210:31210 | 31210:31210:31210 | Announce route to all peers (default)|
remarks: +-------------+--------------------+-------------------+---------------------------------------+

[ton31337]

Show us first how you configure it...

[liuxyon]

When I use the command to add 31210:0:31210 to route-map 303686 permit 50, it shows a format error

!
! Zebra configuration saved from vty
! 2024/12/01 23:26:58
!
frr version 10.2
frr defaults datacenter
!
hostname
log file /etc/frr/frr.log
!
!
!
!
!
router bgp 39853
bgp router-id 77.99.28.30
no bgp hard-administrative-reset
no bgp default ipv4-unicast
no bgp default show-hostname
no bgp default show-nexthop-hostname
bgp graceful-shutdown
bgp bestpath as-path confed
no bgp network import-check
timers bgp 60 180
neighbor 2a0d:2416:513:a::11 remote-as 65105
neighbor 2a0d:2416:513:a::11 description "my local cn"
neighbor 2a0d:2416:513:a::11 local-role provider
neighbor 2a0d:2416:513:a::11 ttl-security hops 1
neighbor 2a0d:2416:513:a::11 disable-connected-check
neighbor 2a0d:2416:513:a::11 update-source wg1
neighbor 2a0d:2416:513:a::11 advertisement-interval 0
neighbor 2a0d:2416:513:a::11 timers connect 120
no neighbor 2a0d:2416:513:a::11 capability software-version
neighbor 2a0d:2416:513:a::11 sender-as-path-loop-detection
neighbor 2a0d:2416:513:9753::3 remote-as 303686
neighbor 2a0d:2416:513:9753::3 local-role customer
neighbor 2a0d:2416:513:9753::3 disable-connected-check
neighbor 2a0d:2416:513:9753::3 update-source AS303686
neighbor 2a0d:2416:513:9753::3 advertisement-interval 0
neighbor 2a0d:2416:513:9753::3 timers connect 120
!
address-family ipv6 unicast
network 2a0d:2406:513::/48
neighbor 2a0d:2416:513:9753::3 activate
neighbor 2a0d:2416:513:9753::3 remove-private-AS all
neighbor 2a0d:2416:513:9753::3 soft-reconfiguration inbound
neighbor 2a0d:2416:513:9753::3 prefix-list ipv6in in
neighbor 2a0d:2416:513:9753::3 prefix-list myv6out out
neighbor 2a0d:2416:513:9753::3 route-map A01 in
neighbor 2a0d:2416:513:9753::3 route-map 303686 out
maximum-paths 100
exit-address-family
!
exit
!
access-list 1 remark utility ACL to deny everything
access-list 1 seq 5 deny any
ipv6 prefix-list mycn6out seq 5 deny ::1/128
ipv6 prefix-list mycn6out seq 10 deny ::/128
ipv6 prefix-list mycn6out seq 15 deny 3ffe::/16 le 128
ipv6 prefix-list mycn6out seq 20 deny 2001:db8::/32 le 128
ipv6 prefix-list mycn6out seq 25 deny 2001:10::/28 le 128
ipv6 prefix-list mycn6out seq 30 deny 2001:2::/48 le 128
ipv6 prefix-list mycn6out seq 35 deny 100::/64 le 128
ipv6 prefix-list mycn6out seq 40 deny ::/8 le 128
ipv6 prefix-list mycn6out seq 45 deny fc00::/7 le 128
ipv6 prefix-list mycn6out seq 50 deny ff00::/8 le 128
ipv6 prefix-list mycn6out seq 55 deny 2002::/16 le 128
ipv6 prefix-list mycn6out seq 60 deny ::/0 ge 49 le 128
ipv6 prefix-list mycn6out seq 100 deny 2001::/32
ipv6 prefix-list mycn6out seq 110 permit 2000::/3 le 48
ipv6 prefix-list mycn6out seq 160 permit 2002::/16
ipv6 prefix-list mycn6out seq 999 deny any
ipv6 prefix-list myv6out seq 50 permit 2a0d:2408:513::/48
ipv6 prefix-list myv6out seq 999 deny any
ip prefix-list ipv4no seq 999 deny any
ipv6 prefix-list no seq 999 deny any
!
bgp as-path access-list 2 seq 5 deny ^([0-9]+)(\1)+$
bgp as-path access-list 2 seq 10 permit .*
bgp as-path access-list 5 seq 5 deny ^([0-9]+)(\1)+$
bgp as-path access-list 5 seq 999 permit .*
bgp as-path access-list 97 seq 5 permit ^65101_
bgp as-path access-list 98 seq 5 permit ^64661_
bgp as-path access-list 99 seq 5 permit (4294967[0-1][0-9][0-9])|(42949672[0-8][0-9])|(429496729[0-4])
bgp as-path access-list 99 seq 10 permit (42949[0-5][0-9][0-9][0-9][0-9])|(429496[0-6][0-9][0-9][0-9])
bgp as-path access-list 99 seq 15 permit (429[0-3][0-9][0-9][0-9][0-9][0-9][0-9])|(4294[0-8][0-9][0-9][0-9][0-9][0-9])
bgp as-path access-list 99 seq 20 permit (6449[6-9])|(6450[0-9])|(6451[0-1])|(6553[6-9])|(6554[0-9])|(6555[0-1])
bgp as-path access-list 99 seq 25 permit 0
bgp as-path access-list 99 seq 30 permit 1310[0-6][0-9]|13107[0-1]
bgp as-path access-list 99 seq 35 permit 23456
bgp as-path access-list 99 seq 40 permit 42[0-8][0-9][0-9][0-9][0-9][0-9][0-9][0-9]
bgp as-path access-list 99 seq 45 permit 6(4(5(1[2-9]|[2-9][0-9])|[6-9][0-9][0-9])|5([0-4][0-9][0-9]|5([0-2][0-9]|3[0-5])))
bgp as-path access-list 99 seq 50 permit 6555[2-9]|655[6-9][0-9]|65[6-9][0-9][0-9]|6[6-9][0-9][0-9][0-9]
bgp as-path access-list 99 seq 55 permit [7-9][0-9][0-9][0-9][0-9]|1[0-2][0-9][0-9][0-9][0-9]|130[0-9][0-9][0-9]
!

!

route-map 303686 permit 50
match ipv6 address prefix-list myv6out
set community 1299:2000 1299:2870 1299:2880 1299:5009 1299:5569 1299:7009 2914:1205 2914:4029 3356:70 29632:64011 29632:64021 29632:64031 29632:64041 29632:64051 29632:64061 29632:64141 29632:64161 29632:64211 29632:64221 29632:64241 29632:64251 29632:64261 29632:64271 29632:64285 29632:64291 29632:64301 29632:64321 29632:64331 29632:64341 29632:64361 29632:64371 29632:64381 29632:64401 29632:64411 29632:64421 29632:64441 29632:64455 29632:64465 29632:64475 29632:64491 29632:64991 56630:9972 additive
set metric 0
exit
!
route-map BGP_FILTER_IN deny 10
exit
!
!
!
!
!
rpki
rpki polling_period 300
rpki retry_interval 60
rpki cache tcp 77.99.28.30 3323 preference 1
rpki cache tcp ::1 3323 preference 2
exit
!
!

[ton31337]

When I use the command to add 31210:0:31210 to route-map 303686 permit 50, it shows a format error

Show the whole command you are entering.

[liuxyon]

v7251# c
v7251(config)# route-map 303686 permit 50
v7251(config-route-map)# set community 1299:2000 1299:2870 1299:2880 1299:5009 1299:5569 1299:7009 2914:1205 2914:4029 31210:0:31210 3356:70 29632:64011 29632:64021 29632:64031 29632:64041 29632:64051 29632:64061 29632:64141 29632:64161 29632:64211 29632:64221 29632:64241 29632:64251 29632:64261 29632:64271 29632:64285 29632:64291 29632:64301 29632:64321 29632:64331 29632:64341 29632:64361 29632:64371 29632:64381 29632:64401 29632:64411 29632:64421 29632:64441 29632:64455 29632:64465 29632:64475 29632:64491 29632:64991 56630:9972 additive
% Malformed communities attribute '1299:2000 1299:2870 1299:2880 1299:5009 1299:5569 1299:7009 2914:1205 2914:4029 31210:0:31210 3356:70 29632:64011 29632:64021 29632:64031 29632:64041 29632:64051 29632:64061 29632:64141 29632:64161 29632:64211 29632:64221 29632:64241 29632:64251 29632:64261 29632:64271 29632:64285 29632:64291 29632:64301 29632:64321 29632:64331 29632:64341 29632:64361 29632:64371 29632:64381 29632:64401 29632:64411 29632:64421 29632:64441 29632:64455 29632:64465 29632:64475 29632:64491 29632:64991 56630:9972'

[ton31337]

X:X:X is a large community, don't mix with community. Use set large-community...