ZyXEL
– ZyWALL USG Support Notes
All contents copyright (c) 2010 ZyXEL Communications Corporation.
17
b.
Go to
CONFIGURATION > Network > Interface > PPP
, add a new PPP
interface which is based on WAN 2(ge3) interface:
Step 2. Go to
CONFIGURATION > Network > Interface > Trunk
. Add WAN
Trunks.
a.
Add WAN trunk for VoIP traffic — Set WAN1 as Active mode, while
setting WAN2_ppp as Passive mode.
Choose WAN interface WAN1, and enable
Use another interface when the
specified WAN interface is not available
.
Please enable
SIP ALG
to let this policy route apply to all VoIP traffic including
both SIP signaling and RTP (voice data).
Go to
Advanced > ALG
, enable SIP ALG.