Hello There
i was also looking for suggestions on the similar concept. I was trying to choose prefixes from only one neighbor and redist them to EIGRP.
I could successfully simulate that and it is just working as i need.
note: Naming convention used here according to my convenience.
Config:
ISP Router:
--------------
Building configuration...
Current configuration : 1725 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname ISP
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface Loopback100
ip address 100.100.100.1 255.255.255.0
!
interface Loopback200
ip address 200.200.200.1 255.255.255.0
!
interface FastEthernet0/0
no ip address
shutdown
duplex half
!
interface GigabitEthernet1/0
ip address 10.10.10.1 255.255.255.252
negotiation auto
!
interface GigabitEthernet2/0
ip address 20.20.20.1 255.255.255.252
negotiation auto
!
router bgp 5678
no synchronization
bgp log-neighbor-changes
network 100.100.100.0 mask 255.255.255.0
network 200.200.200.0
neighbor 10.10.10.2 remote-as 1234
neighbor 10.10.10.2 route-map gi1/0 out
neighbor 20.20.20.2 remote-as 1234
neighbor 20.20.20.2 route-map gi2/0 out
no auto-summary
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
ip prefix-list gi1/0 seq 5 permit 100.100.100.0/24 le 32
!
ip prefix-list gi2/0 seq 5 permit 200.200.200.0/24 le 32
!
route-map gi1/0 permit 10
match ip address prefix-list gi1/0
!
route-map gi2/0 permit 10
match ip address prefix-list gi2/0
!
control-plane
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
login
!
end
Edge-Switch-R1
------------------------
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Edge-Switch
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
no logging console
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
archive
log config
hidekeys
!
ip tcp synwait-time 5
!
interface FastEthernet0/0
ip address 192.168.18.1 255.255.255.252
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface GigabitEthernet1/0
ip address 10.10.10.2 255.255.255.252
negotiation auto
!
interface GigabitEthernet2/0
ip address 20.20.20.2 255.255.255.252
negotiation auto
!
router eigrp 100
redistribute bgp 1234 metric 100000 10000 255 255 1500 route-map bgp->eigrp
network 192.168.18.0 0.0.0.3
no auto-summary
!
router bgp 1234
no synchronization
bgp log-neighbor-changes
redistribute eigrp 100
neighbor 10.10.10.1 remote-as 5678
neighbor 10.10.10.1 route-map community in
neighbor 20.20.20.1 remote-as 5678
no auto-summary
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
ip bgp-community new-format
ip community-list 1 permit 10:20
!
route-map bgp->eigrp permit 20
match community 1 exact-match
!
route-map eigrp->bgp permit 20
!
route-map community permit 10
set community 10:20
!
control-plane
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
login
!
end
INT-ASA (just the name, not really the ASA)
==========
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname int-asa
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
!
!
ip cef
no ip domain lookup
!
ip tcp synwait-time 5
!
interface Loopback1
ip address 111.111.111.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.18.2 255.255.255.252
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
!
router eigrp 100
network 111.111.111.0 0.0.0.255
network 192.168.18.0 0.0.0.3
no auto-summary
!
no ip http server
no ip http secure-server
ip forward-protocol nd
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Route table o/p from all the routers:
----------------
Edge-Switch#sh ip bgp
BGP table version is 7, local router ID is 192.168.18.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 100.100.100.0/24 10.10.10.1 0 0 5678 i
*> 111.111.111.0/24 192.168.18.2 156160 32768 ?
*> 192.168.18.0/30 0.0.0.0 0 32768 ?
*> 200.200.200.0 20.20.20.1 0 0 5678 i
Gateway of last resort is not set
B 200.200.200.0/24 [20/0] via 20.20.20.1, 00:15:40
100.0.0.0/24 is subnetted, 1 subnets
B 100.100.100.0 [20/0] via 10.10.10.1, 00:15:57
20.0.0.0/30 is subnetted, 1 subnets
C 20.20.20.0 is directly connected, GigabitEthernet2/0
111.0.0.0/24 is subnetted, 1 subnets
D 111.111.111.0 [90/156160] via 192.168.18.2, 00:16:20, FastEthernet0/0
10.0.0.0/30 is subnetted, 1 subnets
C 10.10.10.0 is directly connected, GigabitEthernet1/0
192.168.18.0/30 is subnetted, 1 subnets
C 192.168.18.0 is directly connected, FastEthernet0/0
ISP#sh ip bgp
BGP table version is 7, local router ID is 200.200.200.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 100.100.100.0/24 0.0.0.0 0 32768 i
* 111.111.111.0/24 20.20.20.2 156160 0 1234 ?
*> 10.10.10.2 156160 0 1234 ?
* 192.168.18.0/30 20.20.20.2 0 0 1234 ?
*> 10.10.10.2 0 0 1234 ?
*> 200.200.200.0 0.0.0.0 0 32768 i
int-asa#sh ip route
Gateway of last resort is not set
100.0.0.0/24 is subnetted, 1 subnets
D EX 100.100.100.0
[170/2588160] via 192.168.18.1, 00:15:50, FastEthernet0/0
111.0.0.0/24 is subnetted, 1 subnets
C 111.111.111.0 is directly connected, Loopback1
192.168.18.0/30 is subnetted, 1 subnets
C 192.168.18.0 is directly connected, FastEthernet0/0
