My guess would be the next hop address is not in the routing table and
therefore the route is not advertised to any external peers.

The k1d




""Tom Pruneau""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> BGP question, why do I get "Not advertised to any peer"
>
>
> Below is from an isolated lab configuration, appologies to the actual
> owners of any addresses of AS numbers used.
>
>
>
> I have two routers connected together via a serial line. They are in
AS400.
> They are both connected to AS100 via another serial line. Both have a
route
> map affecting advertisements to AS100.  They each have an ethernet with a
> /24 on it. The /24 is getting into BGP via a network command.
>
> The two routers have the loopbacks 6.6.6.6 and 9.9.9.9
>
> network 100.0.0.0 /24 is connected to the ethernet of router 6.6.6.6
> network 100.0.1.0 /24 is connected to the ethernet of router 9.9.9.9
>
> When I am on router 6.6.6.6 and I look at the advertisement of network
> 100.0.1.0 /24 is looks fine
> When i am on router 9.9.9.9 and I look at the advertisement of network
> 100.0.0.0 /24 it says "Not advertised to any peer"
>
> Any ideas why the difference???? Why can't 100.0.0.0 be avertised to any
> peer?
>
> Both routers have been rebooted. The configs look almost identical.
>
>
> router_6666#sho ip bgp 100.0.1.0
> BGP routing table entry for 100.0.1.0/24, version 2
> Paths: (1 available, best #1, table Default-IP-Routing-Table)
>   Advertised to non peer-group peers:
   10.0.0.17
>   Local
>     10.0.0.38 from 10.0.0.38 (9.9.9.9)
>       Origin IGP, metric 0, localpref 100, valid, internal, best
>
>
>
> router_9999#show ip bgp 100.0.0.0
> BGP routing table entry for 100.0.0.0/24, version 9
> Paths: (1 available, best #1, table Default-IP-Routing-Table)
>   Not advertised to any peer     Local
>     10.0.0.37 from 10.0.0.37 (6.6.6.6)
>       Origin IGP, metric 0, localpref 100, valid, internal, best
>
>
>
>
> router 6666
>
> interface Loopback0
>  ip address 6.6.6.6 255.255.255.255
> !
> interface Ethernet0
>  ip address 100.0.0.1 255.255.255.0
> !
> interface Serial0
>  ip address 10.0.0.18 255.255.255.252
> !
> interface Serial1
>  ip address 10.0.0.37 255.255.255.252
> !
> router bgp 400
>  no synchronization
>  bgp log-neighbor-changes
>  network 100.0.0.0 mask 255.255.255.0
>  neighbor 10.0.0.17 remote-as 100
>  neighbor 10.0.0.17 route-map set_meds out
>  neighbor 10.0.0.38 remote-as 400
>  no auto-summary
> !
> ip classless
> ip route 9.9.9.9 255.255.255.255 10.0.0.38
> no ip http server
> !
> access-list 20 permit 100.0.0.0
> access-list 21 permit 100.0.1.0
> route-map set_meds permit 10
>  match ip address 20
>  set metric 5
> !
> route-map set_meds permit 20
>  match ip address 21
>  set metric 10
>
>
> Router 9999
>
> !
> interface Loopback0
>  ip address 9.9.9.9 255.255.255.255
> !
> interface Ethernet0
>  ip address 100.0.1.1 255.255.255.0
> !
> interface Ethernet1
>  no ip address
> !
> interface Serial0
>  ip address 10.0.0.38 255.255.255.252
>  no fair-queue
>  clockrate 2000000
> !
> interface Serial1
>  ip address 10.0.0.34 255.255.255.252
>  clockrate 2000000
> !
> router bgp 400
>  no synchronization
>  bgp log-neighbor-changes
>  network 100.0.1.0 mask 255.255.255.0
>  neighbor 10.0.0.33 remote-as 100
>  neighbor 10.0.0.33 route-map set_meds out
>  neighbor 10.0.0.37 remote-as 400
>  no auto-summary
> !
> ip classless
> ip route 6.6.6.6 255.255.255.255 10.0.0.37
> no ip http server
> !
> access-list 20 permit 100.0.0.0
> access-list 21 permit 100.0.1.0
> route-map set_med permit 10
>  match ip address 21
>  set metric 5
> !
> route-map set_med permit 20
>  match ip address 20
>  set metric 10
>
> Tom Pruneau
> Technical Trainer Network Operations
> GENUITY
> 225 Presidential Way Woburn Ma. 01888
> --------------------------------------------------------------------------
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> This email is composed of 82% post consumer recycled data bits
> --------------------------------------------------------------------------
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> "Once in a while you get shown the light in the strangest of places if you
> look at it right"




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