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Set mtu 1500 On Ip tunnel

Hi All nexus Switches in my network support jumbo mtu 9216 

Now if customer set on ipip tunnel mtu 1500 Can Cross that mtu without Fragmentaion ?

or maximum Size support by this tunnel is 1480 ?

1 Accepted Solution

Accepted Solutions

Joseph W. Doherty
Hall of Fame
Hall of Fame

Depends on what's the MTU available between tunnel physical end point interfaces.

I've done H 1500 R 9k R 1500 H, with tunnels on the routers handling host traffic at 1500 without fragmentation (encapsulated packet larger than 1500).

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3 Replies 3

marce1000
Hall of Fame
Hall of Fame

 

  - The overall mtu is determined by the path (interconnection) with the lowest value.

  M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

I Can ping end to End vlan by 1580 without fragment Can set mtu tunnel 1560? iptunnel ????

Joseph W. Doherty
Hall of Fame
Hall of Fame

Depends on what's the MTU available between tunnel physical end point interfaces.

I've done H 1500 R 9k R 1500 H, with tunnels on the routers handling host traffic at 1500 without fragmentation (encapsulated packet larger than 1500).

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