I have a WAAS trial deployment running with a pair of 612s in the data centre and a coupe for remote 674s.
One site appears to be running fine (has optimised connections, both sides see each other in topology) but my new site cant discover the peer. From what I have read this commonly seems to be asymmetric routing but I only have one path in and out so it cant be that.
Checking show stat auto-discovery and debug auto-discover conn I see that my 'Insufficient Option-Space' count is increasing. Does anyone know what this means or how to resolve the undiscovered peer? I see the conns from the remote site in the head-end WAAS, so I believe that means WCCP is at least sending the traffic to the head-end device.
FYI the difference between the working and non-working sites is that one is using GRE/IPSec (working) and the other is plain IPSec (not working). Again, I don't believe its MSS or MTU as the default 1380 is large enough to pass unfragmented.
Thanks for your help,