From: Vijay Kurraha (vijaykurraha@yahoo.com)
Date: Mon Aug 04 2008 - 02:53:55 ART
Team...
Need help
R4 ----- R1--R3---R2 ---- R5
R4: AS3
R1/R2/R3: AS2
R5: AS1
I am trying to set "Community:
no-export" in R5... so , routes from R5 will not export into R4.....
Here is
my config
R4:
interface Ethernet0/1
ip address 155.1.146.4 255.255.255.0
router bgp 3
no synchronization
bgp log-neighbor-changes
network 204.12.1.0
neighbor 155.1.146.1 remote-as 2
no auto-summary
!
R1:
interface Ethernet0/0
ip address 155.1.146.1 255.255.255.0
interface Serial0/1
ip address
155.1.13.1 255.255.255.0
encapsulation ppp
clock rate 64000
!
router eigrp 2
network 155.1.13.1 0.0.0.0
auto-summary
!
router bgp 2
no synchronization
bgp log-neighbor-changes
neighbor 155.1.13.3 remote-as 2
neighbor
155.1.13.3 next-hop-self
neighbor 155.1.23.2 remote-as 2
neighbor 155.1.23.2
next-hop-self
neighbor 155.1.146.4 remote-as 3
no auto-summary
R3:
interface
Serial0/2
ip address 155.1.13.3 255.255.255.0
!
interface Serial0/3
ip
address 155.1.23.3 255.255.255.0
interface Ethernet1/0
ip address 155.1.37.3
255.255.255.0
!
router eigrp 2
network 155.1.13.3 0.0.0.0
network 155.1.23.3
0.0.0.0
auto-summary
!
router bgp 2
no synchronization
bgp
log-neighbor-changes
network 155.1.37.0 mask 255.255.255.0
neighbor
155.1.13.1 remote-as 2
neighbor 155.1.23.2 remote-as 2
no auto-summary
R2:
interface Serial1/0
ip address 155.1.0.2 255.255.255.0
encapsulation
frame-relay
frame-relay map ip 155.1..0.5 205 broadcast
no frame-relay
inverse-arp
!
interface Serial1/1
ip address 155.1.23.2 255.255.255.0
encapsulation ppp
clock rate 64000
!
router eigrp 2
network 155.1.23.2
0.0.0.0
auto-summary
!
router bgp 2
no synchronization
bgp
log-neighbor-changes
neighbor 155.1.0.5 remote-as 1
neighbor 155.1.13.1
remote-as 2
neighbor 155.1.13.1 next-hop-self
neighbor 155.1.23.3 remote-as
2
neighbor 155.1.23.3 next-hop-self
no auto-summary
and
R5:
interface
Serial0/0
ip address 155.1.0.5 255.255.255.0
encapsulation frame-relay
frame-relay map ip 155.1.0.2 502 broadcast
no frame-relay inverse-arp
!
interface Ethernet0/1
ip address 155.1.5.5 255.255.255.0
half-duplex
!
router bgp 1
no synchronization
bgp log-neighbor-changes
network 155.1.5.0
mask 255.255.255.0
neighbor 155.1.0.2 remote-as 2
neighbor 155.1.0.2
send-community
neighbor 155.1.0.2 route-map ABCD out
no auto-summary
access-list 2 permit 155.1.5.0
route-map ABCD permit 10
match ip address 2
set community no-export
When I check R2.. it shows Community: no-export
R2#sh ip bgp 155.1.5.0
BGP routing table entry for 155..1.5.0/24, version 12
Paths: (1 available, best #1, table Default-IP-Routing-Table, not advertised
to EBGP peer)
Flag: 0x820
Advertised to update-groups:
3
1
155.1.0.5 from 155.1.0.5 (155.1.45.5)
Origin IGP, metric 0,
localpref 100, valid, external, best
Community: no-export
But R3 is not
showing no export
R3#sh ip bgp 155.1.5.0
BGP routing table entry for
155.1.5.0/24, version 16
Paths: (1 available, best #1, table
Default-IP-Routing-Table)
Not advertised to any peer
1
155.1.23.2 from
155.1.23.2 (155.1.2.2)
Origin IGP, metric 0, localpref 100, valid,
internal, best
... and I can see the routes in R4...
R4#sh ip bgp
BGP table version is 18, local router ID is 4.4.4.4
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
*>
155.1..5.0/24 155.1.146.1 0 2 1 i
*>
155.1.37.0/24 155.1.146.1 0 2 i
*>
204.12.1.0 0.0.0.0 0 32768 i
What I am doing
wrong ?
Please help.
Thanks
VJ
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This archive was generated by hypermail 2.1.4 : Mon Sep 01 2008 - 08:15:29 ART