[j-nsp] Does EX4200 support changing TCP-MSS on transit packets?

[Mark Tinka]

On Monday, February 24, 2014 02:19:50 AM Yucong Sun wrote:

> Does EX4200 support changing TCP-MSS on transit packets?
> 
> I'm trying to use ex4200 as a simply gateway, and I need
> to lower tcp-mss on outgoing packets since the return
> path maybe tunneled. This seems to be a simple enough
> per-packet filtering operation,  does EX switch support
> this?

TCP MSS adjustments generally affect traffic terminating on 
the switch itself.

Transit packets are affected by interface MTU.

If you're able to affect TCP MSS of transit traffic, I 
certainly haven't yet heard about it (which is not to say it 
doesn't exist).

Mark.
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