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Rising star

Changing the Subnet Mask of an interface

So, I've had a brain fart. Is there a way to change the subnet mask of an IP address on a router or switch, without doing a 'no ip address?            

1 ACCEPTED SOLUTION

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Cisco Employee

You can configure the ip address again with new mask without removing the previous ip address.

View solution in original post

3 REPLIES 3
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Cisco Employee

You can configure the ip address again with new mask without removing the previous ip address.

View solution in original post

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Participant

use ip address XXXXX XXXX(mask) without doing No ip address.

same with the vlan config. you can change vlan ID without even removing first vlan.

thanks

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Thanks for the information guys. I hate to ask susch a noob question, it's kinda embarrsing. Ever since I've turned 30, i've thrown my back out, shoulder hurts, and no I'm forgetting CCNA stuff lol.

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