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3550 interface MTU

hello netpro:

I have a simple question, how to modify the mtu on 3550 ,the version is c3550-i5q3l2-mz.121-20.EA1, thank you

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: 3550 interface MTU

Hi Yan,

Gigabit Ethernet versions support up to 2000 bytes and the Fast Ethernet versions support up to 1546 bytes.

from a gig switch:

3550(config)#system mtu ?

<1500-2000> MTU size in bytes

3550(config)#system mtu 2000

Changes to the System MTU will not take effect until the next reload is done.

Refer for more details:

http://www.cisco.com/en/US/partner/products/hw/switches/ps700/products_configuration_example09186a008010edab.shtml#c4

Please rate post as applicable.

Thanks

2 REPLIES
Cisco Employee

Re: 3550 interface MTU

Hi Yan,

Gigabit Ethernet versions support up to 2000 bytes and the Fast Ethernet versions support up to 1546 bytes.

from a gig switch:

3550(config)#system mtu ?

<1500-2000> MTU size in bytes

3550(config)#system mtu 2000

Changes to the System MTU will not take effect until the next reload is done.

Refer for more details:

http://www.cisco.com/en/US/partner/products/hw/switches/ps700/products_configuration_example09186a008010edab.shtml#c4

Please rate post as applicable.

Thanks

Silver

Re: 3550 interface MTU

Hi,

as said Rajat, please pay attention: on 3550 you could configure the "system" mtu, and not for a specific interface.

HTH

Andrea

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