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ovis
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Routing with multiple BGP fullfeeds crashes

Fri Jul 21, 2023 10:12 am

Hi,
last week we changed our bgp routers to ccr2216 systems with router os 7.10.1.
Now we have an strange situation. If we use more then one bgp feed the routing crashes. We have one customer were the internal network will not be routed right. it is the ip 185.199.107.19. After some hours, other users get not all traffic trough the router. yesterday after some hours, every user could not get to google ips.
after we disabled the peerings and also the ibgp the network was working. then everything was routed over one upstream provider ( Telia ).
If i ping from bgp, it works. if i will ping from accessrouter it will not work. the accessrouter has the ip 185.199.104.82 and is connected by an switch with the router. before we change the devices it was working on 1072 with router os 6.49 and everything was good. please find attached the configs for bgp.
BGP1 bgp config
Last edited by ovis on Fri Aug 04, 2023 12:57 am, edited 1 time in total.
 
wiseroute
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Re: Routing with multiple BGP fullfeeds crashes

Sat Jul 22, 2023 5:04 pm

hello,

so one of the problem was
We have one customer were the internal network will not be routed right. it is the ip 185.199.107.19.
maybe this?
add blackhole disabled=no distance=1 dst-address=185.199.104.0/22 gateway="" pref-src="" routing-table=main scope=30 suppress-hw-offload=no target-scope=10

 
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chechito
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Re: Routing with multiple BGP fullfeeds crashes

Sat Jul 22, 2023 5:47 pm

is recommended not publish private data like public addresses in your configs for your own privacy

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