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Troubleshooting: How to Get Interface Summaries in IOS
By Arden Packeer, CCIE #20716⋅ December 9, 2007 ⋅ 
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⋅ Post a commentSite Search Tags: CCIE Lab Study Tips, interface, summaries
To quickly get a summary of interfaces and addressing information from IOS you could use one of the following:
Router#sh run | include interface|ip address
interface Loopback0
ip address 10.200.200.11 255.255.255.255
interface FastEthernet0/0
ip address 10.1.1.1 255.255.255.0
interface BRI0/0
no ip address
interface Serial1/0
no ip address
interface Serial1/0.1 multipoint
ip address 172.31.1.1 255.255.255.0
interface Serial1/0.2 multipoint
ip address 172.31.11.1 255.255.255.0
interface Serial1/1
ip address 10.1.0.1 255.255.255.0
interface Serial1/2
no ip address
interface Serial1/3
no ip addressRouter#sh int | include is up|Internet
FastEthernet0/0 is up, line protocol is up
Internet address is 10.1.1.1/24
Serial1/0 is up, line protocol is up
Serial1/0.1 is up, line protocol is up
Internet address is 172.31.1.1/24
Internet address is 172.31.11.1/24
Serial1/1 is up, line protocol is up
Internet address is 10.1.0.1/24
Loopback0 is up, line protocol is up
Internet address is 10.200.200.11/32Router#sh ip int brief | exclude unassigned
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.1.1.1 YES NVRAM up up
Serial1/0.1 172.31.1.1 YES NVRAM up up
Serial1/0.2 172.31.11.1 YES NVRAM administratively down down
Serial1/1 10.1.0.1 YES NVRAM up up
Loopback0 10.200.200.11 YES NVRAM up up When starting a lab with pre-configured routers and switches the above commands are very useful to get an overview of interfaces and addressing. I use this when doing labs with troubleshooting sections. If your Lab contains a troubleshooting section with preconfigured routers or switches, I would use the above the commands to verify that the configuration matches the topology of the lab.
Now back to labs!
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© 2007 Arden Packeer. All rights reserved. The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway. This material is not sponsored or endorsed by Cisco Systems, Inc. Cisco, Cisco Systems, CCIE and the CCIE Logo are trademarks of Cisco Systems, Inc. and its affiliates 
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