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New Member

MTU Limitation on Gig Interface

I read that the PA-GE module on the 7200 supports an mtu of >1500.  I'm trying to set mine to 1546, but cannot.  What command do I enter to enable support for this size?

EDR01#config t

Enter configuration commands, one per line.  End with CNTL/Z.

EDR01(config)#int gig 5/0

EDR01(config-if)#ip mtu 1546

                                 ^

% Invalid input detected at '^' marker.

EDR01 (config-if)#ip mtu ?

  <68-1500>  MTU (bytes)

1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Silver

Re: MTU Limitation on Gig Interface

Hello David,

it is also a question of IOS image

also you need first to increase mtu with mtu command then you may be able to increase ip mtu

Hope to help

Giuseppe

3 REPLIES
Hall of Fame Super Silver

Re: MTU Limitation on Gig Interface

Hello David,

it is also a question of IOS image

also you need first to increase mtu with mtu command then you may be able to increase ip mtu

Hope to help

Giuseppe

New Member

Re: MTU Limitation on Gig Interface

Version 12.4 (12.2r) T

Cisco 7200

Card is PA-GE (trying to change Gig 5/0 on this card)

New Member

Re: MTU Limitation on Gig Interface

Thanks....

int gig 5/0

mtu xxxxx

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