From: Dillon Yang (dillony@gmail.com)
Date: Wed Apr 06 2005 - 23:42:34 GMT-3
Hi, Dennis:
The "system mtu" is used for L2 tunnelling, but I have not used "mtu
18190" that may be used in fiber environment.
HTH
dillon
On Apr 7, 2005 10:20 AM, Dennis J. Hartmann <dennisjhartmann@hotmail.com> wrote:
> Anyone know the difference between the following two commands. I always
> thought that the 3550 limited Ethernet frames to 1546 bytes and did not
> allow for Ethernet jumbo frames, but in VLAN configuration I can configure
> MTU frame sizes up to 18,190 bytes? Anyone have an explanation on this one?
>
> S5(config)#system mtu 1546 ?
> <cr>
>
> S5(config)#vlan 300
> S5(config-vlan)#mtu ?
> <576-18190> Value of VLAN Maximum Tranmission Unit
>
> Sincerely,
>
> Dennis J. Hartmann
>
> White Pine Communications
>
> dh8@pobox.com
>
> CCSI#23402/CCIP/CCNP/CCDP/CCNA/CCDA
>
> Cisco IP Voice Support & Design Specialist
>
> Cisco Optical, VPN & IDS Specialist
>
> MCSE
>
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