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vanishing secondary IP address

abopche
Level 1
Level 1

‎01-17-2004 02:25 PM - edited ‎03-02-2019 12:57 PM

Hi, I have a 3660, I need to put a secondary IP address on one of its interfaces. However after write mem, when I reboot, everything stays but the secondary IP vanishes. Wihle booting, I get a message "secondary addresses not allowed with negotiated addresses".

Any urgent help is welcome.

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frejac
Level 1
Level 1

‎01-19-2004 05:24 AM

You cant have a static secondary when the primary is using DHCP or another dynamic ip-allocating protocol.

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abopche
Level 1
Level 1
In response to frejac

‎01-19-2004 10:04 PM

Thanks, I u/s that. As I mentioned, I am not having any configuration on my router, just a pri and sec IP address on the fe0/0. still it vanishes.

I just saw a bug in 12.1.2(T) called CSCdr51651 . It says you can not have a sec IP address at all on 12.1.2(T).

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