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Command Show IP DHCP Pool Use This command allows you to see any DHCP pool information that is configured on the router.. Syntax Router#show ip dhcp pool <name> Example In the below example we will display the configured DHCP information on R3.. CopyR3#show ip dhcp pool Pool VLAN_B …
Command Show IP 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 ip access-lists OR Router#show ip access-lists <number or name> Example In the below example we use show access-lists to …
Command Show IP Interface Brief Use This command displays a brief summary of the interfaces on a device. Its useful for quickly checking the status of the device. Syntax Router#show ip interface brief Example In the below example we use show ip interface brief to quickly see how interfaces are …
Command Show Hosts Use This command displays information about the hosts that are configured with the ip hostcommand. Syntax Router#show hosts Example In the below example we use show hosts to verify the hosts that are configured on R2. CopyR2#show host Default domain is not set Name/address lookup uses domain service …
Command Show Frame-Relay Map Use This command verifies the DLCI mappings that the router has learned about. Syntax Router#show frame-relay map Example In this example, we use show frame-relay mapping to verify that R4 has learned about the other links via inverse-arp. We also verify that we can ping. CopyR4(config-if)#do …
Command Show Clock Use Shows the current date and time of the router. Syntax Router>show clock Example In this example, the show clock command is executed to verify the date and time set on the router. CopyR1#show clock 15:57:20.619 UTC Sun Nov 30 2008
Command Show Running-Config Use Shows the current configuration of a device. This is one of the first commands you will enter when trying to understand how a device is configured. Syntax Router#show running-config Example In this example we display the running configuration of R2. CopyR2#show run Building configuration… …
Command Show CDP Neighbors Use This command lists the Cisco devices that are connected to your current device. CDP is a Cisco proprietary protocol and will only detect Cisco products, although there are some vendors that do work with it. Additionally, LLDP was recently released, which is an …
Command Show IP NAT Translation Use This command shows information about NAT translations that are active on the router. Syntax Router#show ip nat translation Example In the below example we configure R2 to translate addresses from 10.1.1.0/24 to 10.2.2.0/24. CopyR2(config)#access-list 25 permit 10.1.1.0 0.0.0.255 R2(config)#ip nat inside source …
Command show ip route Use Allows you to see just the EIGRP routes installed in the routing table. Syntax R1#show ip route eigrp Example In the below example of show ip route CopyR2(config-if)#do sh ip route Codes: C – connected, S – static, R – RIP, M – mobile, B …
