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Command Show IP OSPF Database Use Allows users to view the LSA database on the router. Syntax Router#show ip ospf database Example Here is the lsa database on R2. CopyR2#show ip ospf databaseOSPF Router with ID (2.2.2.2) (Process ID 1)Router Link States (Area 0) Link ID ADV Router …
Command Show IP OSPF Inferface Use Displays the OSPF protocol information for the interfaces on the router. Syntax Router(config)#show ip ospf interface Example Here is the interface OSPF information on R2. CopyR2#show ip ospf interface FastEthernet1/0 is up, line protocol is up Internet Address 10.2.2.2/24, Area 0 Process …
Command Show IP EIGRP Interface Use This command shows which interfaces are running the EIGRP process. Syntax Router#show ip eigrp interface Example In the below example we see the EIGRP interface information on R2 CopyR2(config)#do show ip eigrp interface IP-EIGRP interfaces for process 100 Xmit Queue Mean Pacing …
Command Show IP DHCP Conflict Use This command shows information about IP conflicts that are detected during the DHCP negotiation. IP conflicts occur when hosts have statically assigned IP addresses that are within the DHCP configured range, but are not excluded. Syntax Router#show ip dhcp conflict Example Below …
Command Show Tech-Support Use This command is mostly used when you are speaking with Cisco TAC. It displays a lot of information about your device. Syntax Router#show tech-support Example Below is an example of show tech-support. CopyR2#show tech-support —————— show version —————— Cisco IOS Software, 3600 Software (C3640-JK9S-M), Version …
Command Show IP Interface Use This command displays a summary of the IP information on an interface. It is useful for quickly verifying configurations. Syntax Router#show ip interface OR Router#show ip interface <interface> Example In the below example we use show ip interface to quickly see how interfaces are configured. CopyR2#show …
Command Show Frame-Relay LMI Use This command displays any LMI information the router has learned about. Syntax Router#show frame-relay lmi Example In this example, we use show frame-relay lmi to display any LMI information the router has learned. CopyR4(config)#do sh frame lmi LMI Statistics for interface Serial0/0 (Frame Relay DTE) …
Command Show Debug Use Shows which debugging commands are active on the router. It is important to not leave unnecessary debugging on as it will eat up the CPU. Syntax Router#show debug Example In this example, we use the show debug command to see what debugging is enabled on the …
Command Show Running-Config Interface Use Shows the current configuration of a given interface on the router. This command is useful because it reduces IOS’s output to just show you the interface information. Read the filtering page under the show command section for more information on further ways to …
Command Show Access-Lists Use This command displays information about the access-lists that are configured on a router. It also shows information about what lines are matching in the ACL. Syntax Router#show access-lists OR Router#show access-lists <number or name> Example In the below example we use show access-lists to see what …
