[IPsec] clarification needed in address assignment using IKEv2 Configuration Payload

2011-04-07 Thread Tero Kivinen
Balaji J writes: > Recently i have started reading the IKEv2 RFC(5996). > I need a clarification on assigning the ip address using ikev2 protocol as > below which i couldn't find in the RFC4718: Note that RFC5996 is more resent than RFC4718 and RFC5996 obsoletes both RFC4306 and RFC4718, so not al

[IPsec] RFC 5996: IKEv2 - rekey question about 'equivalent' SA's

2011-04-07 Thread Tero Kivinen
Frank Bailey writes: > In section 2.8 it talks about when rekeying a Child SA or an IKE SA, that > the peers should establish an 'equivalent' SA. The question I have, > is what is meant by equivalent? It means mostly same... I.e. protecting same traffic and using same parameters, ciphers etc. >

Re: [IPsec] Queries relating to ESP/AH GCM & GMAC

2011-04-07 Thread Tero Kivinen
Vinod Sasi writes: > Many thanks for your reply; this is helping me to a great extent. In the RFC6071 we do note that those combined mode ciphers are not feature of the old IPsec-v2 set (i.e IKEv1). I would recommend not to implement them using IKEv1, as there might be quite a lot of interoperabi

Re: [IPsec] Queries relating to ESP/AH GCM & GMAC

2011-04-07 Thread david.black
Here's a little more explanation of this text from RFC 6071: >Although ESP-v2 did not originally include combined mode algorithms, >some IKEv1 implementations have added the capability to negotiate >combined mode algorithms for use in IPsec SAs; these implementations >do not includ