Dell Force10 S55T S55 Configuration Guide FTOS 8.3.5.3 - Page 474
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www.dell.com | support.dell.com OSPF, by default, sends hello packets out to all physical interfaces assigned an IP address that are a subset of a network on which OSPF is enabled. Use the show ip ospf interface command (Figure 410) to view the interfaces currently active and the areas assigned to the interfaces. Figure 24-10. Command Example: show ip ospf process-id interface Force10>show ip ospf 1 interface GigabitEthernet 12/17 is up, line protocol is up Internet Address 10.2.2.1/24, Area 0.0.0.0 Process ID 1, Router ID 11.1.2.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 11.1.2.1, Interface address 10.2.2.1 Backup Designated Router (ID) 0.0.0.0, Interface address 0.0.0.0 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:04 Neighbor Count is 0, Adjacent neighbor count is 0 GigabitEthernet 12/21 is up, line protocol is up Internet Address 10.2.3.1/24, Area 0.0.0.0 Process ID 1, Router ID 11.1.2.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 13.1.1.1, Interface address 10.2.3.2 Backup Designated Router (ID) 11.1.2.1, Interface address 10.2.3.1 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 13.1.1.1 (Designated Router) Force10> Loopback interfaces also assist in the OSPF process. OSPF will pick the highest interface address as the router-id and a loopback interface address has a higher precedence than other interface addresses. Figure 24-11 gives an example of the show ip ospf process-id interface command with a Loopback interface. Figure 24-11. Command Example: show ip ospf process-id interface Force10#show ip ospf 1 int GigabitEthernet 13/23 is up, line protocol is up Internet Address 10.168.0.1/24, Area 0.0.0.1 Process ID 1, Router ID 10.168.253.2, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DROTHER, Priority 1 Designated Router (ID) 10.168.253.5, Interface address 10.168.0.4 Backup Designated Router (ID) 192.168.253.3, Interface address 10.168.0.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Neighbor Count is 3, Adjacent neighbor count is 2 Adjacent with neighbor 10.168.253.5 (Designated Router) Adjacent with neighbor 10.168.253.3 (Backup Designated Router) Loopback 0 is up, line protocol is up Internet Address 10.168.253.2/32, Area 0.0.0.1 Process ID 1, Router ID 10.168.253.2, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host. Force10# 474 | Open Shortest Path First (OSPFv2 and OSPFv3)