From: V.Shekhar@GlobalAssurance.Net
Date: Fri May 16 2008 - 08:39:21 ART
Chuck, Can u post the OSPF and interface configs of all the routers
involved?
-- -V Shekhar CCIE(sec)#17589/CISSP/RHCE.Chuck Ryan (chryan) wrote: > Hi Hong, > > I dont have any problem establishing adjacencies with or without the > neighbor statements configured under the ospf routing process. That is > what I don't understand. I thought with a network type of non-broadcast, > you have to manually define your neighbors on your DR in order to > establish adjacencies. As it turns out for me, that's not the case. I > can establish ospf adjacencies with the neighbor statements AND without > the neighbor statements. > > I'm trying to find out why this works with no neighbor statements > configured, and no broadcast statement at the end of my frame-relay map > statements. > > Thanks, > > Chuck > > ________________________________ > > From: Hong Chan [mailto:howard.chan34@gmail.com] > Sent: Friday, May 16, 2008 12:50 AM > To: Chuck Ryan (chryan) > Subject: Re: ospf network type non-broadcast > > > Where is your DR? Is that on the r1? > Try to add "ip ospf priority 0" on r2 & r3, add neighbor statement on > r1. If still not able to form neighborship, try debug to see how's the > hello packet talking. > > > 2008/5/16 Chuck Ryan (chryan) <chryan@cisco.com>: > > > Hi GS, > > I have a question about the ospf network type, non-broadcast. In > a > simple 3 router pod, with r1 being the hub and r2 and r3 being > the > spokes, I've been reading how you need to configure a neighbor > statement > under r1 in order to establish ospf adjacencies with r2 and r3. > > When I lab it up and try it, it does work. What I have also > found out, > is that no neighbor statement is necessary in order to get ospf > adjacencies up between r1 and r2, and r1 and r3. Frankly, I > don't see > the difference whether I manually define neighbors or not, the > results > appear to be the same. > > Can someone explain this behavior? I thought that if you do not > specify > the neighbor statement, then the adjacencies will not come up, > but that > doesn't appear to be the case. Also, I am not using the > "broadcast" > keyword on my frame-relay map statements. > > Thanks, > > Chuck > > > > _______________________________________________________________________ > 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
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