Changing the MTU value on a gig port on a Cisco 7609

Answered Question

Hi All

Just wondering if it is possibel to set the MTU value on a specific gig port on a Cisco 7609 and if so what command would I use please?

Best Regards,

Michael

I have this problem too.
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Correct Answer by u1kumar2002 about 6 years 5 months ago

Hi,

     To configure MTU :

7609(config)#int gigabitEthernet 1/1 
7609(config-if)#mtu ? 
  <1500-9216>  MTU size in bytes 

7609(config-if)#mtu 921

7609#show interfaces gigabitEthernet 1/1 
GigabitEthernet1/1 is up, line protocol is up (connected) 
  Hardware is C6k 1000Mb 802.3, address is 0007.0d0e.640a (bia 0007.0d0e.640a) 
  MTU 9216 bytes, BW 1000000 Kbit, DLY 10 usec, 
  reliability 255/255, txload 1/255, rxload 1/255

For more information Visit : http://www.cisco.com/en/US/products/hw/switches/ps700/products_configuration_example09186a008010edab.shtml

Uttam

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Correct Answer
u1kumar2002 Thu, 08/05/2010 - 03:17

Hi,

     To configure MTU :

7609(config)#int gigabitEthernet 1/1 
7609(config-if)#mtu ? 
  <1500-9216>  MTU size in bytes 

7609(config-if)#mtu 921

7609#show interfaces gigabitEthernet 1/1 
GigabitEthernet1/1 is up, line protocol is up (connected) 
  Hardware is C6k 1000Mb 802.3, address is 0007.0d0e.640a (bia 0007.0d0e.640a) 
  MTU 9216 bytes, BW 1000000 Kbit, DLY 10 usec, 
  reliability 255/255, txload 1/255, rxload 1/255

For more information Visit : http://www.cisco.com/en/US/products/hw/switches/ps700/products_configuration_example09186a008010edab.shtml

Uttam

Hi There

Cheers for the quick response. I had just found that

The only time up to now I changed the MTU value was on the WAN interface on a Cisco 877 router adn that was done with the "ip tcp adjust" command so I was checking under "ip" on the interface.

Once I just used Cisco help under the interface I spotted the "mtu" command, doh

Best Regards & Thanks again,

Michael

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