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How to Change Interface on Cisco IOU

Posted on 2016-08-03
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Last Modified: 2016-08-11
Hello Experts,

Can someone please let me know how to change the interface eth0 in the image with the appropriate Unix / Linux commands. I would like to change the interface from 192.168.80.160 to 192.168.99.5.

Thank you

Regards
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Question by:Member_2_7966113
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Expert Comment

by:James Bilous
ID: 41740782
Yup:

ifconfig eth0 192.168.99.5 netmask 255.255.255.0 up

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Author Comment

by:Member_2_7966113
ID: 41740810
James,

Thanks spot on.

Cheers
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Author Comment

by:Member_2_7966113
ID: 41740813
James

Can you let me know how to save the configuration?
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Expert Comment

by:James Bilous
ID: 41740816
Whats your distro? This usually involves editing a config file which is distribution independent.
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Author Comment

by:Member_2_7966113
ID: 41740830
James,

No idea what distro is.

I thought there would be a simple command to save the configuration - or does it work the same was Windows?
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Expert Comment

by:James Bilous
ID: 41740838
Distro is your linux distribution. For example, you may have Ubuntu, Linux Mint, Suse, Red Hat, etc. etc, all linux based but still different operating systems, each with different ways of saving configurations.

If you are on Ubuntu, for example, you can simply use the "network management" application to set and save the IP for the eth0 interface. You can also edit a configuration file, /etc/network/interfaces, and save it to persist the changes across reboot.
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Author Comment

by:Member_2_7966113
ID: 41741219
Hi James,

Can you show me the linux / unix commands to set the default gateway?

Thanks
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Expert Comment

by:James Bilous
ID: 41741266
You can simply use the same command but leave the IP unchanged while changing the default gateway.
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Author Comment

by:Member_2_7966113
ID: 41744619
James,

Do you mean

ifconfig eth0 192.168.99.5 defaultgateway 10.1.1.1
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James Bilous earned 500 total points
ID: 41744646
Ah, sorry, thought you meant mask and not gateway.  

route add default gw 10.1.1.1

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should work
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Author Closing Comment

by:Member_2_7966113
ID: 41753094
Perfect .  Thanks
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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