One thing may be that 100.0.0.0 is a class B network. You have it subnetted. try no auto-summary under BGP process on both routers ----- Original Message ----- From: "Kane, Christopher A." To: Sent: Thursday, January 10, 2002 1:46 PM Subject: RE: Help Please! BGP question, why do I get "Not advertised to [7:31571]
> Tom, > > I have config'd my Lab and it works: > Your router 9.9.9.9 is my rtrB: > rtrB#sh ip bgp 100.0.0.0 > BGP routing table entry for 100.0.0.0/24, version 2 > Paths: (1 available, best #1) > Advertised to non peer-group peers: > 10.0.0.33 best, i - > internal > Origin codes: i - IGP, e - EGP, ? - incomplete > > Network Next Hop Metric LocPrf Weight Path > *>i100.0.0.0/24 10.0.0.37 0 100 0 i > *> 100.0.1.0/24 0.0.0.0 0 32768 i > > > My rtrC is the AS 100 router. Below, you can see that he's learning 2 > prefixes from both routers in AS 400. By looking at the ">" you can see > which route he's putting in his routing table. This is based on the MEDS > that rtrA (your 6.6.6.6) and rtrB (your 9.9.9.9) are sending him. > See below: > > rtrC#sh ip bgp n 10.0.0.18 rou > BGP table version is 16, local router ID is 10.0.0.17 > 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 > *> 100.0.0.0/24 10.0.0.18 5 0 400 i > * 100.0.1.0/24 10.0.0.18 10 0 400 i > > Total number of prefixes 2 > rtrC#sh ip bgp n 10.0.0.34 rou > BGP table version is 16, local router ID is 10.0.0.17 > 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 > * 100.0.0.0/24 10.0.0.34 10 0 400 i > *> 100.0.1.0/24 10.0.0.34 5 0 400 i > > Total number of prefixes 2 > > > > > > My configs are the same as yours with the exception of the route-map name. > My route-map name matches the route map that I am calling in my nei > statement to 10.0.0.33 on rtrB (9.9.9.9). > > HTH, > Chris > > > -----Original Message----- > From: Tom Pruneau [mailto:[EMAIL PROTECTED]] > Sent: Thursday, January 10, 2002 8:33 AM > To: [EMAIL PROTECTED] > Subject: Help Please! BGP question, why do I get "Not advertised to any > [7:31528] > > > 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 > -------------------------------------------------------------------------- - > This email is composed of 82% post consumer recycled data bits > -------------------------------------------------------------------------- - > "Once in a while you get shown the light in the strangest of places if you > look at it right" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=31580&t=31580 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
