One question What network type are you trying to run on OSPF ?
If you are running Non-Broadcast ; please make your HUB(R5) as DR ( use priority command) and it would be better if you make other 2 as DROther Let me know your finding Thanks Gaurav Madan On Thu, Jan 27, 2011 at 3:51 PM, Ahmed Haji Munye <[email protected]> wrote: > > > Hi > > I have configured R5 as the Hub and R4 and R6 as the spokes. > > I have configured ospf. R4 cannot ping R5s and R6s loopback addresses, > however the serial interfaces can ping each other. I have used > 172.12.123.3/24 Please see my config below and help me. > > R4(Spoke) > > R4#sho ip route > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 > E1 - OSPF external type 1, E2 - OSPF external type 2 > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 > ia - IS-IS inter area, * - candidate default, U - per-user static route > o - ODR, P - periodic downloaded static route > > Gateway of last resort is not set > > 4.0.0.0/24 is subnetted, 1 subnets > C 4.4.4.0 is directly connected, Loopback4 > 172.12.0.0/24 is subnetted, 1 subnets > C 172.12.123.0 is directly connected, Serial0/0/0 > R4# > > R4#sho config > Using 1275 out of 245752 bytes > ! > version 12.4 > service timestamps debug datetime msec > service timestamps log datetime msec > no service password-encryption > ! > hostname R4 > ! > boot-start-marker > boot-end-marker > ! > logging message-counter syslog > ! > no aaa new-model > ! > dot11 syslog > ip source-route > ! > ! > ip cef > > > interface Loopback4 > ip address 4.4.4.4 255.255.255.0 > ! > interface FastEthernet0/0 > no ip address > shutdown > duplex auto > speed auto > ! > interface FastEthernet0/1 > no ip address > shutdown > duplex auto > speed auto > ! > interface Serial0/0/0 > ip address 172.12.123.4 255.255.255.0 > encapsulation frame-relay > frame-relay map ip 172.12.123.5 405 broadcast > frame-relay map ip 172.12.123.6 405 > no frame-relay inverse-arp > ! > interface Serial0/0/1 > no ip address > clock rate 2000000 > ! > router ospf 1 > log-adjacency-changes > network 4.4.4.0 0.0.0.255 area 456 > network 172.12.123.0 0.0.0.255 area 0 > ! > ip forward-protocol nd > no ip http server > no ip http secure-server > ! > ! > ! > > line con 0 > exec-timeout 0 0 > logging synchronous > speed 38400 > line aux 0 > line vty 0 4 > login > ! > scheduler allocate 20000 1000 > end > > R4# > > R4#sho ip ospf neighbor > > Neighbor ID Pri State Dead Time Address Interface > 5.5.5.5 1 FULL/BDR 00:01:42 172.12.123.5 Serial0/0/0 > > > ________________ > > R5 (Hub) > > R5#sho ip route > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 > E1 - OSPF external type 1, E2 - OSPF external type 2 > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 > ia - IS-IS inter area, * - candidate default, U - per-user static route > o - ODR, P - periodic downloaded static route > > Gateway of last resort is not set > > 5.0.0.0/24 is subnetted, 1 subnets > C 5.5.5.0 is directly connected, Loopback5 > 6.0.0.0/32 is subnetted, 1 subnets > O IA 6.6.6.6 [110/65] via 172.12.123.6, 00:18:39, Serial0/0/0 > 172.12.0.0/24 is subnetted, 1 subnets > C 172.12.123.0 is directly connected, Serial0/0/0 > R5# > > > R5#sho config > Using 1331 out of 245752 bytes > ! > version 12.4 > service timestamps debug datetime msec > service timestamps log datetime msec > no service password-encryption > ! > hostname R5 > ! > boot-start-marker > boot-end-marker > ! > logging message-counter syslog > ! > no aaa new-model > ! > dot11 syslog > ip source-route > ! > ! > ip cef > ! > ! > no ip domain lookup > no ipv6 cef > ! > multilink bundle-name authenticated > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > voice-card 0 > ! > ! > ! > ! > ! > archive > log config > hidekeys > ! > ! > ! > ! > ! > ! > ! > ! > ! > interface Loopback5 > ip address 5.5.5.5 255.255.255.0 > ! > interface FastEthernet0/0 > no ip address > shutdown > duplex auto > speed auto > ! > interface FastEthernet0/1 > no ip address > shutdown > duplex auto > speed auto > ! > interface Serial0/0/0 > ip address 172.12.123.5 255.255.255.0 > encapsulation frame-relay > frame-relay map ip 172.12.123.4 504 broadcast > frame-relay map ip 172.12.123.6 506 broadcast > no frame-relay inverse-arp > ! > interface Serial0/0/1 > no ip address > ! > router ospf 1 > log-adjacency-changes > network 5.5.5.0 0.0.0.255 area 456 > network 172.12.123.0 0.0.0.255 area 0 > neighbor 172.12.123.4 > neighbor 172.12.123.6 > ! > ip forward-protocol nd > no ip http server > no ip http secure-server > ! > ! > ! > ! > ! > ! > ! > ! > ! > control-plane > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > line con 0 > exec-timeout 0 0 > logging synchronous > speed 38400 > line aux 0 > line vty 0 4 > login > ! > scheduler allocate 20000 1000 > end > > R5#sho ip ospf neighbor > > Neighbor ID Pri State Dead Time Address Interface > 4.4.4.4 1 FULL/DROTHER 00:01:39 172.12.123.4 Serial0/0/0 > 6.6.6.6 1 FULL/DR 00:01:32 172.12.123.6 Serial0/0/0 > R5# > > > R5# > > > __________________________ > > > Now on R6 (Hub) > > R6#sho ip route > Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 > E1 - OSPF external type 1, E2 - OSPF external type 2 > i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 > ia - IS-IS inter area, * - candidate default, U - per-user static route > o - ODR, P - periodic downloaded static route > > Gateway of last resort is not set > > 5.0.0.0/32 is subnetted, 1 subnets > O IA 5.5.5.5 [110/65] via 172.12.123.5, 00:19:45, Serial0/0/0 > 6.0.0.0/24 is subnetted, 1 subnets > C 6.6.6.0 is directly connected, Loopback6 > 172.12.0.0/24 is subnetted, 1 subnets > C 172.12.123.0 is directly connected, Serial0/0/0 > R6# > > > R6#sho config > Using 1236 out of 245752 bytes > ! > version 12.4 > service timestamps debug datetime msec > service timestamps log datetime msec > no service password-encryption > ! > hostname R6 > ! > boot-start-marker > boot-end-marker > ! > logging message-counter syslog > ! > no aaa new-model > ! > dot11 syslog > ip source-route > ! > ! > ip cef > ! > ! > no ip domain lookup > no ipv6 cef > ! > multilink bundle-name authenticated > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > voice-card 0 > ! > ! > ! > ! > ! > archive > log config > hidekeys > ! > ! > ! > ! > ! > ! > ! > ! > ! > interface Loopback6 > ip address 6.6.6.6 255.255.255.0 > ! > interface FastEthernet0/0 > no ip address > shutdown > duplex auto > speed auto > ! > interface FastEthernet0/1 > no ip address > shutdown > duplex auto > speed auto > ! > interface Serial0/0/0 > ip address 172.12.123.6 255.255.255.0 > encapsulation frame-relay > frame-relay map ip 172.12.123.4 605 > frame-relay map ip 172.12.123.5 605 broadcast > no frame-relay inverse-arp > ! > router ospf 1 > log-adjacency-changes > network 6.6.6.0 0.0.0.255 area 456 > network 172.12.123.0 0.0.0.255 area 0 > ! > ip forward-protocol nd > no ip http server > no ip http secure-server > ! > ! > ! > ! > ! > ! > ! > ! > ! > control-plane > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > line con 0 > exec-timeout 0 0 > logging synchronous > speed 38400 > line aux 0 > line vty 0 4 > login > ! > scheduler allocate 20000 1000 > end > > R6# > > > R6#sho ip ospf neighbor > > Neighbor ID Pri State Dead Time Address Interface > 5.5.5.5 1 FULL/BDR 00:01:36 172.12.123.5 Serial0/0/0 > R6# > > > > Please help me out. > > Regards > Ahmed > > > > > > > > > > > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
