Cisco IOS CLI | Cisco NX-OS CLI | |
---|---|---|
Enabling the OSPF Feature |
Cisco IOS Software does not have the ability to enable or disable OSPF. | feature ospf |
---|
Configuring an OSPF Instance and Router ID |
router ospf 10
router-id 192.168.1.1 | router ospf 10
router-id 192.168.1.1 |
---|
Associating a Network with an OSPF Instance and Area |
router ospf 10
network 192.168.1.0 0.0.0.255 area 1 | interface Ethernet2/1
ip address 192.168.10.1/24 ip router ospf 10 area 1 |
---|
Configuring a Passive Interface |
router ospf 10
passive-interface GigabitEthernet2/1 network 192.168.1.0 0.0.0.255 area 1 | interface Ethernet2/1
ip address 192.168.11.1/24 ip ospf passive-interface ip router ospf 10 area 0 |
---|
Configuring Interface Authentication (MD5) |
interface GigabitEthernet2/1
ip address 192.168.10.1 255.255.255.0 ip ospf authentication message-digest ip ospf message-digest-key 1 md5 cisco123 | interface Ethernet2/1
ip address 192.168.10.1/24 ip ospf authentication message-digest ip ospf message-digest-key 1 md5 3 a667d47acc18ea6b ip router ospf 10 area 1 |
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Configuring a Stub Area with the no summary Option |
router ospf 10
area 2 stub no-summary | router ospf 10
area 2 stub no-summary |
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Creating a Not-So-Stubby Area (NSSA) and Generating a Default Route |
router ospf 10
area 3 nssa default-information-originate | router ospf 10
area 3 nssa default-information-originate |
---|
Configuring Inter-Area and External Summarization |
router ospf 10
area 0 range 159.142.0.0 255.255.0.0 summary-address 172.16.0.0 255.255.0.0 | router ospf 10
area 0 range 159.142.0.0/16 summary-address 172.16.0.0/16 |
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Generating a Default Route (Conditional) |
router ospf 10
default-information originate | router ospf 10
default-information originate |
---|
Generating a Maximum Metric (Max-Metric) Value |
router ospf 10
max-metric router-lsa | router ospf 10
max-metric router-lsa |
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Configuring Route Redistribution (Permit all Static Routes) |
router ospf 10
redistribute static subnets | router ospf 10
redistribute static route-map static-to-ospf
|
---|
Configuring a VRF Instance for OSPF Routing |
router ospf 10 vrf customer-a | router ospf 10
vrf customer-a |
---|
Verification Command Comparison
The following table compares some useful show commands for verifying and troubleshooting an OSPFv2 network configuration.
Cisco NX-OS OSPFv2 | Cisco IOS Software OSPFv2 | Command Description |
---|---|---|
show ip ospf | show ip ospf | Displays information for all OSPF instances |
show ip ospf <instance> | show ip ospf <#> | Displays information for a specific OSPF instance |
show ip ospf border-routers | show ip ospf border-routers | Displays a list of border routers |
show ip ospf database | show ip ospf database | Displays OSPF database information |
show ip ospf interface | show ip ospf interface | Displays all OSPF enabled interfaces and associated status information |
show ip ospf interface brief | show ip ospf interface brief | Displays a brief list and status of OSPF enabled interfaces |
show ip ospf interface detail | - | Displays additional packet statistics for each interface |
show ip ospf lsa-content-changed-list | - | Displays the LSA's that changed content |
show ip ospf memory | - | Displays the memory allocated for OSPF |
show ip ospf neighbors | show ip ospf neighbor | Displays neighbor-specific information |
show ip ospf neighbors detail | show ip ospf neighbor detail | Displays details for each OSPF neighbor |
show ip ospf neighbors summary | - | Displays summary information and packet statistics for each OSPF neighbor |
show ip ospf policy statistics | - | Displays redistribution statistics for a specified protocol |
show ip ospf request-list | show ip ospf request-list | Displays a list of link-state advertisements (LSAs) that have been requested |
show ip ospf retransmission-list | show ip ospf retransmission-list | Displays a list of the link-state retransmission list |
show ip ospf route | - | Displays all routes learned through OSPF |
show ip ospf statistics | show ip ospf statistics | Displays OSPF LSA statistics |
show ip ospf summary-address | show ip ospf summary-address | Displays OSPF summarized networks |
show ip ospf traffic | show ip ospf traffic | Displays OSPF related packet counters |
show ip ospf virtual-links | show ip ospf virtual-links | Displays OSPF virtual links |
show ip ospf vrf | - | Displays information for a specified OSPF VRF instance |
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