11-24-2011 01:23 AM
Hi,
Due to a special Branch Routing setup, where we're using DMVPN on a separate router (with a SRE module) as a backup WAN connection for a MPLS conenction, we probably need to put both WCCP redirect statements on the tunnel interface, in order to avoid multiple redirection and routing loops - e.g. :
interface Tunnel0
ip address 192.168.1.1 255.255.255.0
no ip redirects
ip mtu 1440
ip nhrp >statement(s)>
tunnel source FastEthernet0/0
tunnel mode gre multipoint
tunnel key 0
tunnel protection ipsec profile cisco
ip wccp 61 redirect out
ip wccp 62 redirect in
exit
Of course we have ip wccp redirect exclude in on the SM interface and we're running with GRE negotiated return.
Thanks in advance
Best regards
Finn
11-24-2011 03:06 AM
Hi Finn,
Yes, this kind of setup is supported and should work fine.
As far as the performance is concerned, it should not make a difference, because unlike other platforms, the 2921 router will always do the WCCP redirection in software, regardless of the redirection in which it's configured.
I hope this helps
Daniel
11-24-2011 03:20 AM
Hi Daniel,
Thanks for your fast response.
/Finn
12-02-2011 01:02 PM
Hello Daniel
Where would you apply the WCCP exclude statement if your WAAS subnet is off of a layer-3 switch and you're performing WCCP on the WAN routers with 61in/62out in the WAN interface? We have sale centers hanging off of our branch router so traffic can route to the local branch or to the MPLS from the SC. Right now, we we have WCCP 61in on the LAN side and 62in on the WAN side. Would it make sense to change it to 61in/62out on the WAN interface only?
12-03-2011 12:09 AM
Hi John,
If your WAE is L3 away from your router, the "redirect exclude-in" command needs to be added in the interface through which the traffic from the WAE is arriving.
By the way, for the future, if the question is not related to the previous one, it would be better to open a separate thread to keeps things clear.
Regards
Daniel
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