RE: no auto-summary under BGP

From: David Prall (dcp@dcptech.com)
Date: Wed Feb 07 2007 - 19:48:08 ART


Why are you doing redistribute connected? You have a route-map configured,
what is it doing for you. What does the connected interface look like, you
don't have that included in your config.

David

--
http://dcp.dcptech.com

> -----Original Message----- > From: Mohammad Saeed [mailto:mzsaeed@gmail.com] > Sent: Wednesday, February 07, 2007 5:45 PM > To: David Prall > Cc: Cisco certification > Subject: Re: no auto-summary under BGP > > Is there any way to avoid this summary address? > > Regards, > > Mohammad Zahed Saeed > > On 2/7/07, David Prall <dcp@dcptech.com> wrote: > > Redistribute connected > > > > Your getting 149.1.0.0/24 from local because it is a > connected interface. > > You have a neighbor 149.1.0.8 and neighbor 149.1.0.6 on > this interface. > > > > -- > > http://dcp.dcptech.com > > > > > > > -----Original Message----- > > > From: nobody@groupstudy.com > [mailto:nobody@groupstudy.com] On Behalf > > > Of Mohammad Saeed > > > Sent: Wednesday, February 07, 2007 5:13 PM > > > To: Bob Watson > > > Cc: Cisco certification > > > Subject: Re: no auto-summary under BGP > > > > > > Hi, > > > > > > Now here is the BGP config of R5 and I have added no > auto-summary in > > > it but still it has summary network address in its BGP > table??? How > > > R5 is getting this 149.1.0.0, I don't understand, can any one > > > explain? > > > > > > > > > router bgp 100 > > > no synchronization > > > bgp router-id 150.1.5.5 > > > bgp log-neighbor-changes > > > redistribute connected route-map CONNECTEDTOBGP neighbor > > > 149.1.0.6 remote-as 100 neighbor 149.1.0.6 > route-reflector-client > > > neighbor 149.1.0.8 remote-as 100 neighbor 149.1.0.8 > > > route-reflector-client neighbor > > > 149.1.254.3 remote-as 200 neighbor 150.1.4.4 remote-as > 100 neighbor > > > 150.1.4.4 update-source Loopback0 neighbor > > > 150.1.4.4 route-reflector-client no auto-summary ! > > > > > > and here is partial out put of bgo table of R5..... > > > > > > R5# sh ip bgp > > > > > > * 149.1.254.3 > 0 200 54 i > > > *>i119.0.0.0 149.1.0.6 0 100 0 54 i > > > * 149.1.254.3 > 0 200 54 i > > > *> 149.1.0.0/24 0.0.0.0 0 32768 ? > > > *> 149.1.7.0/24 149.1.254.3 > 0 200 300 ? > > > *>i149.1.8.0/24 149.1.0.8 0 100 0 ? > > > r>i149.1.44.0/24 150.1.4.4 0 100 0 ? > > > *> 149.1.77.0/24 149.1.254.3 > 0 200 300 ? > > > *>i149.1.88.0/24 149.1.0.8 0 100 0 ? > > > *> 149.1.123.0/24 149.1.254.3 > 0 200 300 ? > > > *> 149.1.127.0/24 149.1.254.3 > 0 200 300 ? > > > > > > > > > Regards, > > > > > > Mohammad Zahed Saeed > > > > > > > > > On 2/6/07, Mohammad Saeed <mzsaeed@gmail.com> wrote: > > > > Thank you very much Bob.... > > > > > > > > Regards, > > > > > > > > Mohammad Zahid Saeed > > > > > > > > On 2/6/07, Bob Watson <watson.robert@gmail.com> wrote: > > > > > none as your not advertising or redistributing any > > > subprefix routes > > > > > > > > > > from the doccd > > > > > > > > > > auto-summary (BGP) > > > > > > > > > > To configure automatic summarization of subnet routes into > > > > > network-level routes, use the auto-summary command in > > > address family > > > > > or router configuration mode. To disable automatic > > > summarization and > > > > > send subprefix routing information across classful network > > > > > boundaries, use the no form of this command. > > > > > > > > > > > > > > > On 2/6/07, Mohammad Saeed <mzsaeed@gmail.com> wrote: > > > > > > > > > > > > Hello Every Body, > > > > > > > > > > > > Can some body tell me the what differnce this no > > > auto-summary will > > > > > > make under bgp configuration... > > > > > > > > > > > > conf t > > > > > > router bgp 100 > > > > > > bgp router-id 150.1.5.5 > > > > > > no synch > > > > > > neighbor 149.1.254.3 remote-as 200 neighbor 150.1.4.4 > > > > > > remote-as 100 neighbor 150.1.4.4 update-source lo0 neighbor > > > > > > 150.1.4.4 route-reflector-client neighbor 149.1.0.6 > remote-as > > > > > > 100 > > > neighbor > > > > > > 149.1.0.6 route-reflector-client neighbor 149.1.0.8 > > > remote-as 100 > > > > > > neighbor 149.1.0.8 route-reflector-client > > > > > > no auto-summary ?????? > > > > > > end > > > > > > wr > > > > > > > > > > > > Regards, > > > > > > > > > > > > Mohammad Zahed Saeed > > > > > > > > > > > > > > > > > > > > > ____________________________________________________________________ > > > > > ___ > > > > > > Subscription information may be found at: > > > > > > http://www.groupstudy.com/list/CCIELab.html > > > > > > ______________________________________________________________ > > > _________ > > > Subscription information may be found at: > > > http://www.groupstudy.com/list/CCIELab.html



This archive was generated by hypermail 2.1.4 : Thu Mar 01 2007 - 07:38:46 ART