WAAS pass-through connections

Unanswered Question
Mar 27th, 2008

I gather that a connection through a WAE can be in pass-through for one of 3 reasons :

- the remote WAE is not detected through the 3 way TCP handshake (conn type 'PT No Peer'

- the connection already exists (conn type 'PT In Progress')

- the connection is set to pass-through as it has hit a policy which puts it in pass-through mode (conn type ??)

In the output of the 'show tfo conn list' command, what is the 'Conn Type' for a connection that is being passed through because of a pass through policy ?

Thanks

Nigel

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Zach Seils Thu, 03/27/2008 - 10:26

Nigel,

There are potentially some other pass-through reasons, but the ones you have listed are the primary ones. The Conn Type for a pass-through connection due to ATP configuration is "PT App Cfg".

Regards,

Zach

Nigel Bowden Thu, 03/27/2008 - 10:53

Hey Zach,

Thanks again for the great info.

If you have the time, I'd be interested to know the other reasons (& codes) for pass-thru.

Nigel.

Zach Seils Mon, 03/31/2008 - 11:15

Nigel,

The potential pass-through reasons are:

PT App Cfg

PT Dst Cfg

PT_Glb Cfg

PT Overload

PT In Progress

PT PE Int Error

PT Dyn Bypass

PT No Peer

PT Rjct Capabilities

PT Rjct Resources

PT Asym Client

PT Asym Server

PT Intermediate

PT FB Int Error

PT AD Int Error

PT App Override

PT Server Blacklist

Regards,

Zach

c_simon Tue, 04/21/2009 - 10:07

Zach

I would like to know the meaning of this pass-through types.

I am having PT Rjct Resources pass-through connection and I can't find what it is mean in the documentation.

Thanks a lot!

Celeste

marcio.sato Thu, 06/25/2009 - 04:24

Zach, is there any documentation saying what's the meaning of these PT types?

Thanks!

dstolt Fri, 06/26/2009 - 08:40

I've asked that it be published on Cisco.com. Hopefully this will be externally available soon.

Dan

dstolt Fri, 06/26/2009 - 08:42

Celeste,

This means that the remote WAE is in an overloaded situation and has responded that it cannot optimize the connection. This may be due to the number of optimized connections or possibly another resource issue on the device.

Hope that helps,

Dan

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