Only GM to GM uses ESP. The communication between KS to GM and KS to KS (cooperative servers) uses ISAKMP.
I think, I got the answer. Transport mode is used, if the path mtu can't handle tunnel mode. With regards Kings On Wed, Oct 27, 2010 at 9:46 AM, Vybhav Ramachandran <[email protected]>wrote: > Sorry kings, > > To re-phrase my question , other than GM to GM communication in Getvpn, > which other mode uses ESP? This confused me because, when the document > refers to "only GM to GM" , it kept me wondering which was the other form of > communication in the GETVPN architecture which was using IKE Phase 2 for > protecting it's traffic? > > The communication between the GCKS and the GMs is via an ISAKMP tunnel( Ike > phase 1). > > Your thoughts on this? > > Cheers, > TacACK >
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