[c-nsp] Redundant Networks and EIGRP redistribution

Scott Ingram SIngram at clayton.com
Sat May 12 14:04:30 EDT 2007


I'm having issues with routing loops and EIGRP redistribution.  Any
Ideas or guidance?


On Router and Switch

router eigrp 99
 redistribute connected
 redistribute static
 redistribute bgp 65500 route-map BGP-EIGRP-Redist
 network 10.X.X.X 0.0.3.255
 network 172.X.X.X 0.0.0.0
 network 192.X.X.X 0.0.3.255
 default-metric 10000 100 255 100 1500
 no auto-summary
 no eigrp log-neighbor-changes
!
 router bgp 65500
 no synchronization
 bgp log-neighbor-changes
 bgp redistribute-internal
 network X.X.X.X mask 255.255.255.252
 network X.X.X.X mask 255.255.255.252
 redistribute static
 redistribute eigrp 99
 neighbor 192.X.X.25 remote-as XXX
 neighbor 192.X.X.25 update-source Loopback0
 neighbor 192.X.X.25 next-hop-self
 neighbor X.X.X.X remote-as 209
 neighbor X.X.X.X default-originate
 neighbor X.X.X.X route-map AS209_out out
 neighbor X.X.X.X filter-list 2 in
 neighbor X.X.X.X filter-list 1 out 
 no auto-summary

ip as-path access-list 1 permit ^$
ip as-path access-list 2 permit ^XXXX_[0-9]*$
!
!
ip prefix-list AS65000_Primary description BGP Primary Verizon
ip prefix-list AS65000_Primary seq 5 permit X.X.X.X/22
ip prefix-list AS65000_Primary seq 5 permit X.X.X.X /32
ip prefix-list AS65000_Primary seq 5 permit X.X.X.X /22
!
!
route-map AS65000_out permit 10
 match ip address prefix-list AS65000_Primary
 set local-preference 150

On 6506
route-map AS209_out permit 10
match ip address prefix-list AS209_Backup
set as-path prepend 100 100 100    




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