[c-nsp] Cisco ISIS/BGP Redistribute
Olivier CALVANO
o.calvano at gmail.com
Mon Nov 23 09:20:51 EST 2020
Hello
I am trying to redistribute in my IGP ISIS routes learned by a BGP session
based on communauty.
for this, i have:
router bgp 65533
bgp log-neighbor-changes
neighbor 192.168.191.29 remote-as 65534
!
address-family ipv4
network 192.168.191.28 mask 255.255.255.254
redistribute connected
neighbor 192.168.191.29 activate
neighbor 192.168.191.29 next-hop-self
neighbor 192.168.191.29 as-override
neighbor 192.168.191.29 route-map EBGP-IMPORT in
exit-address-family
route-map EBGP-IMPORT permit 10
match ip address 49
set local-preference 200
set community 4294771488 4294771489
access-list 49 permit 192.168.190.32
access-list 49 permit 192.168.190.33
access-list 49 permit 192.168.190.34
access-list 49 permit 192.168.190.35
i have created a IP Communauty List and:
ip community-list expanded ISIS800 permit 65533:801
route-map BGP-TO-ISIS-REDISTRIBUTE permit 10
match community ISIS800
router isis
net 49.0001.0000.0000.0397.00
is-type level-2-only
metric-style wide
redistribute connected
redistribute bgp 65533 route-map BGP-TO-ISIS-REDISTRIBUTE
in this configuration, it does not work, the 4 prefixes learned by BGP are
not redistributed in the ISIS.
if I put on the other hand:
router isis
net 49.0001.0000.0000.0397.00
is-type level-2-only
metric-style wide
redistribute connected
redistribute bgp 65533 route-map EBGP-IMPORT
the prefixes are well redistributed but it is not based on the community
anyone have any idea of my mistake?
thank you in advance
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