Hi Hillary, Thanks for the reply! I logged into both routers and did you suggested, and bgp connection established!
So I guess I am very closed now: I still not be able to get the static route working if I use config file to start quagga: # BGP router in AS 100 router bgp 100 neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 ebgp-multihop 2 neighbor 2.2.2.2 update-source 1.1.1.1 ip route 2.2.2.2 255.255.255.0 a1-eth0 # I did this line in quagga router CLI, and it works. While it does not work if I put it in config file here. Thanks, Qing On Sun, Aug 21, 2016 at 3:47 PM, Hillary Cheserek <[email protected]> wrote: > Hi Qing, > The static routes should point to the ip address on the neighboring > routers connecting interface. > > Regards > *Hillary K. Cheserek* > Senior Network Engineer > KENET > > ------------------------------ > *From: *"Qing Wang" <[email protected]> > *To: *"hcheserek" <[email protected]> > *Cc: *"quagga-users" <[email protected]>, > [email protected] > *Sent: *Sunday, August 21, 2016 10:30:56 PM > *Subject: *Re: [quagga-users 14402] eBGP neighbor using loopback question > > Hi Hillary and Alexis, > Thanks for the reply. Conceptually it makes totally sense, although I > couldn't get the static routes stuff working. > > # BGP router in AS 100 > router bgp 100 > neighbor 2.2.2.2 remote-as 200 > neighbor 2.2.2.2 ebgp-multihop 3 > neighbor 2.2.2.2 update-source 1.1.1.1 > > ip route 1.1.1.0 255.255.255.0 10.0.1.1 # this is the line for static > route I added, should it be outside or inside the "router block"? Tried > both but neither working > > # BGP router in AS 200 > router bgp 200 > neighbor 1.1.1.1 remote-as 100 > neighbor 1.1.1.1 ebgp-multihop 3 > neighbor 1.1.1.1 update-source 2.2.2.2 > > ip route 2.2.2.0 255.255.255.0 10.0.2.2 # same here > > > And here is the outputs for "show ip route" > >>> IP Route for node a1 is: > Codes: K - kernel route, C - connected, S - static, R - RIP, > O - OSPF, I - IS-IS, B - BGP, A - Babel, > > - selected route, * - FIB route > > C>* *MailScanner warning: numerical links are often malicious:* 1.1.1.0/24 > <http://1.1.1.0/24> is directly connected, lo > C>* *MailScanner warning: numerical links are often malicious:* > 10.0.0.0/16 <http://10.0.0.0/16> is directly connected, a1-eth0 > C>* *MailScanner warning: numerical links are often malicious:* > 127.0.0.0/8 <http://127.0.0.0/8> is directly connected, lo > > Here is the outputs for "route -n" > mininext> a1 route -n > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 10.0.0.0 0.0.0.0 255.255.0.0 U 0 0 0 > a1-eth0 > > I tried couple ways to add the static routes, but I still not be able to > get it right. Could you please take a look of my config file and point out > where is wrong? It could really save some potential hours for me, I really > appreciate the help! > > Thanks again, > > Qing > > > > > > > > > > > > On Sun, Aug 21, 2016 at 8:46 AM, Hillary Cheserek <[email protected]> > wrote: > >> Hi, >> Confirm loopback interface reachability first. Ping the other router >> loopback with the source of your current loopback. If succesful then bgp >> should esterblish without a problem. If not you will have to do some >> routing to ensure the loopbacks are reachable. >> >> Regards >> Hillary K. Cheserek Senior Network Engineer KENET >> >> ----- Original Message ----- >> From: Qing Wang <[email protected]> >> To: quagga-users <[email protected]>, Qing Wang < >> [email protected]> >> Sent: Sun, 21 Aug 2016 08:48:09 +0300 (EAT) >> Subject: [quagga-users 14402] eBGP neighbor using loopback question >> >> Hi Group, >> >> I am a newbee that just using quagga for bgp research. Please forgive me >> if >> I am asking some dump question. >> >> I already did iBGP and eBGP neighbor connection, everything alright. I now >> try to extend to use loopback address to configure bgp neighbors. I can >> not >> get it success, the BGP status is "Active" but not "Established" for some >> reason. >> >> The topology is really simple as below, but I currently have no clue what >> I >> should modify to make it work. >> >> # BGP router in AS 100 >> router bgp 100 >> neighbor 2.2.2.2 remote-as 200 >> neighbor 2.2.2.2 ebgp-multihop 3 >> neighbor 2.2.2.2 update-source 1.1.1.1 >> >> # BGP router in AS 200 >> router bgp 200 >> neighbor 1.1.1.1 remote-as 100 >> neighbor 1.1.1.1 ebgp-multihop 3 >> neighbor 1.1.1.1 update-source 2.2.2.2 >> >> Any thoughts? I will really appreciate any help!! >> >> Qing >> >> >
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