[c-nsp] Cisco Catalyst 3750s and GRE

[Deepak Jain]

The 3750s will do GRE, but they do it in their CPU and you get pretty 
low thruput before hitting 100% CPU on them. I would say <4000 pps IIRC.

DJ

Stevens, Brant I. wrote:
> All,
>  
> I would like to terminate multiple GRE tunnels on a Catalyst 3750 for
> use with OSPF dynamic routing over IPSec tunnels (encryption handled
> elsewhere).  Based on a quick Google, it appears that GRE interfaces are
> not supported on the 3750, but I wanted to see if anyone else had
> real-world experience with this actually working despite my preliminary
> findings.
>  
> If it can be done without using CEF, that is fine, but of course, I'd
> like to use that path whenever possible.
>  
> Regards,
> Brant.
> 
> 
> 
> 
> This e-mail message is intended only for the named recipient(s) above. It may contain confidential information. If you are not the intended recipient you are hereby notified that any dissemination, distribution or copying of this e-mail and any attachment(s) is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender by replying to this e-mail and delete the message and any attachment(s) from your system. Thank you.
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
> 
> 
>