Evan, Try figuring out what is bringing up the link by turning on debug dial or use the show dial commands. Good luck. Evan You wrote: > Hey all, > > I have two routers in OSPF Area 0 that have ISDN backup connections from one > to the other. > > The ISDN config is working great. When the primary FR link goes down, the > ISDN kicks in instantly and it dies when the primary link goes back up. My > dilemma is that even though the primary FR link is up, the ISDN link goes up > every few minutes. > > I've configured EIGRP DDR scenarios and had to use Access-list to control > EIGRP traffic over the BRI interface. Is it the same with OSPF? What can be > causing the ISDN BRI to go up every few minutes? > > The routers are currently running: > OSPF > IP > Frame Relay > And nothing else! > > interface BRI0 > ip address 212.1.22.34 255.255.255.240 > encapsulation ppp > ip ospf cost 200 > ip ospf demand-circuit > bandwidth 64000 > isdn spid1 xxxxxxxxx xxxxx > dialer idle-timeout 180 > dialer map ip 212.1.22.33 name R2 broadcast xxxxxxx > dialer hold-queue 75 > dialer-group 1 > no cdp enable > ppp authentication chap > > Thanks, > > Evan You - CCNA > > ___________________________________ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
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