Save cookie &session with web load balacer using varnish

[Hieu DuongTrung]

Hi,
I'm configuring Varnish Load Balancing for 3 applications server.I
used director round-robin but i don't known cofigure to save session,
cookie.
Please help me!
Thank a lot!

Duong Hieu <hieubka50 at gmail.com>