hmmm in ospf NBMA network i thought when you specified point to point there was no DR, BDR election.
so maybe playing with the priorities may have caused problems > -----Original Message----- > From: Kane, Christopher A. [SMTP:[EMAIL PROTECTED]] > Sent: Tuesday, 5 February 2002 9:36 am > To: [EMAIL PROTECTED] > Subject: RE: OSPF DR problem [7:34379] > > Priscilla, > > Now that you have R1 as the DR, it's his responsibility to announce that > network out to everyone else. Is R1 sending out LSAs (Network LSA, type 2) > to wherever it is that you are trying to see that network? (Is it R3's > routing table that you can't see the Ethernet segment of R1 and R2?) Does > the network show up in the OSPF database but not the routing table? Or > just > the routing table? > > Chris > > -----Original Message----- > From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]] > Sent: Monday, February 04, 2002 4:31 PM > To: [EMAIL PROTECTED] > Subject: OSPF DR problem [7:34379] > > > Hi Group Study, > > Playing with IP OSPF priority to influence which router became the > Designated Router (DR) caused routing problems for me in a recent bout > with > a lab exercise. Can anyone help me understand if I did something wrong? > > I have 2 routers on an Ethernet LAN. Both of them also have WAN > connections > to remote sites. R1 has a Frame Relay link to the corporate "cloud" via > its > S0 port. S0 is configured as "ip ospf network point-to-point." > > R2 has an ISDN link to yet another router, R3. This link is configured as > an OSPF point-to-point demand circuit. > > R1 and R2 are connected via an Ethernet switch. My goal was to make sure > R1 > became the DR on Ethernet. Both routers have loopbacks, but R2's is > higher, > so to make sure R2 did not become the DR, I configured it with: > > ip ospf priority 0 > > R1 then did indeed become the DR on the Ethernet LAN because it was using > the default priority 1. > > Now, finally to the question...... On the other side of the ISDN and > across > the Frame Relay cloud, I couldn't see the Ethernet LAN in the routing > table. Routers formed adjacencies correctly and could reach most networks, > > but not that darn Ethernet LAN. R1 and R2 on the Ethernet LAN formed an > adjacency and could see the rest of the internetwork. > > Could I have broken something by playing with the priority?? > > Thanks for your help. > > Priscilla > > > > ________________________ > > Priscilla Oppenheimer > http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=34396&t=34379 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
