I got it working in my lab. R4/r5 use rip so make sure rip is preferred.
On Nov 27, 2011, at 6:50 AM, Saleh Batouq <[email protected]> wrote: > WB3-Lab8-Configuration ON Procotor Labs Rack > --------------------------------------------- > > iBGP is not comming up between R4 and R5 using Loop0 for peering. the > reason is a loop. > The strange thing is that R2 is installing EIGRP route for R4's loop > (40.40.40.4) which causes a routing loop. > R4's loopback is not reachable from all devices in the POD. > ! > Why is R2 preffering the EIGRP route with AD 170 although it has the route > in the OSPF Database from R4 itself. > > > R2#sh ip ospf database ext 40.40.40.4 > > OSPF Router with ID (40.40.40.2) (Process ID 1) > > Type-5 AS External Link States > > LS age: 101 > Options: (No TOS-capability, DC) > LS Type: AS External Link > Link State ID: 40.40.40.4 (External Network Number ) > Advertising Router: 40.40.40.2 > LS Seq Number: 80000001 > Checksum: 0x6DEB > Length: 36 > Network Mask: /32 > Metric Type: 2 (Larger than any link state path) > TOS: 0 > Metric: 100 > Forward Address: 0.0.0.0 > External Route Tag: 0 > > LS age: 335 > Options: (No TOS-capability, DC) > LS Type: AS External Link > Link State ID: 40.40.40.4 (External Network Number ) > Advertising Router: 40.40.40.4 > LS Seq Number: 80000003 > Checksum: 0x3A6B > Length: 36 > Network Mask: /32 > Metric Type: 2 (Larger than any link state path) > TOS: 0 > Metric: 20 > Forward Address: 0.0.0.0 > External Route Tag: 0 > > > --------------------------------------------------- > > R2#sh ip ospf database adv-router 40.40.40.4 > > OSPF Router with ID (40.40.40.2) (Process ID 1) > > Router Link States (Area 2.2.2.2) > > Link ID ADV Router Age Seq# Checksum Link count > 40.40.40.4 40.40.40.4 355 0x80000004 0x00264B 3 > > Type-5 AS External Link States > > Link ID ADV Router Age Seq# Checksum Tag > 40.40.40.4 40.40.40.4 384 0x80000003 0x003A6B 0 > > ----------------------------------------------------------- > > On R2 > ----- > > Routing entry for 40.40.40.4/32 > Known via "eigrp 1122", distance 170, metric 26883072, type external > Redistributing via eigrp 1122, ospf 1 > Advertised by ospf 1 metric 100 subnets > Last update from 211.110.222.11 on GigabitEthernet0/0, 00:02:50 ago > Routing Descriptor Blocks: > * 211.110.222.11, from 211.110.222.11, 00:02:50 ago, via > GigabitEthernet0/0 > Route metric is 26883072, traffic share count is 1 > Total delay is 50120 microseconds, minimum bandwidth is 100 Kbit > Reliability 255/255, minimum MTU 1476 bytes > Loading 1/255, Hops 3 > > ----------------------------------------------------------------- > OSPF is configured properly > ----------------------- > > > R2#sh run | sec router ospf > router ospf 1 > router-id 40.40.40.2 > log-adjacency-changes > redistribute connected metric 50 metric-type 1 subnets route-map C2O > redistribute eigrp 1122 metric 100 subnets > network 200.110.245.2 0.0.0.0 area 2.2.2.2 > > ----------------- > > R4#sh run | sec router ospf > router ospf 1 > router-id 40.40.40.4 > log-adjacency-changes > redistribute connected subnets route-map C2O > network 200.110.245.4 0.0.0.0 area 2.2.2.2 > network 211.110.184.4 0.0.0.0 area 2.2.2.2 > > > ----------------------------------------------------------------- > I tried a re-boot on R2,R4,and Cat1 but still same results > the EIGRP route is preferred leading to a routing loop for R4's loopback > address > ---------------------------------------------------------------- > > *Is this a bug or something? Did anyone have a similar output?* > > ------------------------------------------------------------------ > > > -- > Best Regards, > > Saleh Hassan Batouq > [email protected] > Tel: +968 99365607 > Fax: +968 2469690 > P.O.Box:1083- Postal Code:112 > Muscat-Sultanate Of Oman > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > To Unsubscribe from this list please visit the following link and follow the > directions to unsubscribe. http://onlinestudylist.com/mailman/listinfo/ccie_rs _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com To Unsubscribe from this list please visit the following link and follow the directions to unsubscribe. http://onlinestudylist.com/mailman/listinfo/ccie_rs
