17 Feb
2003
17 Feb
'03
6:24 p.m.
More specifically, dynamic routing protocols like ospf and rip. -----Original Message----- From: Petri Helenius [mailto:pete@he.iki.fi] Sent: Monday, February 17, 2003 5:21 PM To: Iljitsch van Beijnum; Steve Feldman Cc: nanog@nanog.org Subject: Re: VoIP over IPsec
On Mon, 17 Feb 2003, Steve Feldman wrote:
through the corporate enterprise net, Cisco routers with IPSEC/GRE tunnels over the public Internet.
Maybe a stupid question... why would you need GRE tunneling while IPsec has a tunnel mode of its own?
Probably because a major router vendor, despite of repeated customer requests, declined to implement routing across such tunnel mode. Pete