Re: Can't get loopbacks into BGP table

From: Matthew Poole (matthew.poole@blueyonder.co.uk)
Date: Tue Apr 08 2003 - 04:07:12 GMT-3


Hi,
Check your masks on the half that aren't working :-)
HTH.
----- Original Message -----
From: "cebuano" <cebu2ccie@cox.net>
To: <ccielab@groupstudy.com>
Sent: Tuesday, April 08, 2003 6:26 AM
Subject: Can't get loopbacks into BGP table

> Hi group.
> I can't figure out why the loopbacks that are configured in BGP with
> "network" statement are not showing up in the LOCAL router's BGP table.
> Actually, half are installed and the other half are not. And yes, I've
> done what Bill Gates told me (reboot). Any comments are welcome. Thanks.
>
> FrSwitch#s
> !
> interface Loopback100
> ip address 100.0.0.1 255.255.255.0
> !
> interface Loopback101
> ip address 100.1.0.1 255.255.255.0
> !
> interface Loopback102
> ip address 100.2.0.1 255.255.255.0
> !
> interface Loopback103
> ip address 100.3.0.1 255.255.255.0
> !
> interface Loopback110
> ip address 110.110.110.110 255.255.255.0
> !
> interface Loopback111
> ip address 111.111.111.111 255.255.255.0
> !
> interface Loopback112
> ip address 112.112.112.112 255.255.255.0
> !
> interface Loopback113
> ip address 113.113.113.113 255.255.255.0
> !
> interface Ethernet0
> ip address 170.1.1.254 255.255.255.0
> !
> router bgp 100
> bgp log-neighbor-changes
> network 100.0.0.0 mask 255.255.0.0
> network 100.1.0.0 mask 255.255.0.0
> network 100.2.0.0 mask 255.255.0.0
> network 100.3.0.0 mask 255.255.0.0
> network 110.110.110.0 mask 255.255.255.0
> network 111.111.111.0 mask 255.255.255.0
> network 112.112.112.0 mask 255.255.255.0
> network 113.113.113.0 mask 255.255.255.0
> neighbor 170.1.1.1 remote-as 34
> neighbor 170.1.1.1 route-map BGP out
> !
> ip classless
> ip route 0.0.0.0 0.0.0.0 Ethernet0
> no ip http server
> !
> access-list 1 permit 100.0.0.0 0.254.0.0
> route-map BGP permit 10
> match ip address 1
> set as-path prepend 200 300 1000 400 500
> !
> route-map BGP permit 20
> set as-path prepend 200 300 400 500
> !
>
>
> FrSwitch#sh ip bgp
> BGP table version is 15, local router ID is 200.7.0.1
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 110.110.110.0/24 0.0.0.0 0 32768 i
> *> 111.111.111.0/24 0.0.0.0 0 32768 i
> *> 112.112.112.0/24 0.0.0.0 0 32768 i
> *> 113.113.113.0/24 0.0.0.0 0 32768 i
> *> 195.1.1.0 170.1.1.1 0 34 256 1 i
> *> 195.1.2.0 170.1.1.1 0 34 256 i
> *> 195.1.3.0 170.1.1.1 0 34 i
> *> 195.1.4.0 170.1.1.1 0 0 34 i
> *> 195.1.5.0 170.1.1.1 0 34 256 i
> *> 195.1.6.0 170.1.1.1 0 34 256 i
>
>
> FrSwitch#ir
>
> Gateway of last resort is 0.0.0.0 to network 0.0.0.0
>
> 170.1.0.0/24 is subnetted, 1 subnets
> C 170.1.1.0 is directly connected, Ethernet0
> 100.0.0.0/24 is subnetted, 4 subnets
> C 100.0.0.0 is directly connected, Loopback100
> C 100.1.0.0 is directly connected, Loopback101
> C 100.2.0.0 is directly connected, Loopback102
> C 100.3.0.0 is directly connected, Loopback103
> C 200.0.0.0/24 is directly connected, Loopback0
> C 200.1.0.0/24 is directly connected, Loopback1
> C 200.2.0.0/24 is directly connected, Loopback2
> C 200.3.0.0/24 is directly connected, Loopback3
> C 200.4.0.0/24 is directly connected, Loopback4
> C 200.5.0.0/24 is directly connected, Loopback5
> C 200.6.0.0/24 is directly connected, Loopback6
> C 200.7.0.0/24 is directly connected, Loopback7
> 113.0.0.0/24 is subnetted, 1 subnets
> C 113.113.113.0 is directly connected, Loopback113
> 112.0.0.0/24 is subnetted, 1 subnets
> C 112.112.112.0 is directly connected, Loopback112
> 110.0.0.0/24 is subnetted, 1 subnets
> C 110.110.110.0 is directly connected, Loopback110
> B 195.1.6.0/24 [20/0] via 170.1.1.1, 00:25:33
> 111.0.0.0/24 is subnetted, 1 subnets
> C 111.111.111.0 is directly connected, Loopback111
> B 195.1.5.0/24 [20/0] via 170.1.1.1, 00:25:33
> B 195.1.4.0/24 [20/0] via 170.1.1.1, 01:09:55
> B 195.1.3.0/24 [20/0] via 170.1.1.1, 00:07:29
> B 195.1.2.0/24 [20/0] via 170.1.1.1, 00:25:33
> B 195.1.1.0/24 [20/0] via 170.1.1.1, 00:26:02
> S* 0.0.0.0/0 is directly connected, Ethernet0
>
> FrSwitch#sh ip int brief
> Interface IP-Address OK? Method Status
> Protocol
> Ethernet0 170.1.1.254 YES NVRAM up
> up
> Loopback0 200.0.0.1 YES NVRAM up
> up
> Loopback1 200.1.0.1 YES NVRAM up
> up
> Loopback2 200.2.0.1 YES NVRAM up
> up
> Loopback3 200.3.0.1 YES NVRAM up
> up
> Loopback4 200.4.0.1 YES NVRAM up
> up
> Loopback5 200.5.0.1 YES NVRAM up
> up
> Loopback6 200.6.0.1 YES NVRAM up
> up
> Loopback7 200.7.0.1 YES NVRAM up
> up
> Loopback100 100.0.0.1 YES NVRAM up
> up
> Loopback101 100.1.0.1 YES NVRAM up
> up
> Loopback102 100.2.0.1 YES NVRAM up
> up
> Loopback103 100.3.0.1 YES NVRAM up
> up
> Loopback110 110.110.110.110 YES NVRAM up
> up
> Loopback111 111.111.111.111 YES NVRAM up
> up
> Loopback112 112.112.112.112 YES NVRAM up
> up
> Loopback113 113.113.113.113 YES NVRAM up
> up



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