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Webcast-Catalyst9k
New Member

Jumbo Frames on 4500 and 6500

Hello,

per enclosed Visio I am setting up a back-up solution.

Server LAN to Commvault is a standard 1500 mtu network.

I need to set-up the connection from CommVault to NexSAN devices (storage) using Jumbo frames (9198) end-to-end

My core switch wont permit a MTU per-interface change option only a system option and, the 4500s will permit a per-interface change up to

1552 only.i.e.

CORE6500(config-if)#mtu ?

% Unrecognized command

!

CORE6500(config)#system ?

  jumbomtu  Configure system jumbo mtu size

#################################################

DIST4500(config-if)#mtu ?

  <1500-9198>  MTU size in bytes

!

(config)#system mtu ?

  <1500-1552>  MTU size in bytes

I want to create a single VLAN connecting the CommVault to the NexSAN devices across the 3 switches with an MTU of 9198.

I don't want to affect the MTU of any other ports/VLANS as the core LAN shares these switches.

Can you help?

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