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New Member

Does Cat2950 support MTU size changeable?

Hi,

Does anyone knows the catalyst 2950 software that can support MTU size changeable on FastEther port?

I got a problem when connecting P (C7507) to a PE (C3640) on FastEther port using Cat2950 in between. When I ping with packet size greater than 1497, it does not pass through.

swt01(config)#int f0/8

swt01(config-if)#mtu ?

<64-18000> MTU size in bytes

swt01(config-if)#mtu 2000

% Interface FastEthernet0/8 does not support user settable mtu.

regards,

--rizal

2 REPLIES
Cisco Employee

Re: Does Cat2950 support MTU size changeable?

Rizal, you have to set the MTU globally on the switch using the "system mtu" command - you cannot do it per interface.

Be aware only the 2950G, 2950LRE and 2955 can support a larger MTU - upto 1530 bytes.

Regards

Daniel

New Member

Re: Does Cat2950 support MTU size changeable?

Thanks Daniel.

regards,

--rizal

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