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Configuring the V2IU 4350
3 - 9
• Traffic shaping and priority queuing to guarantee high quality video
traffic. These mechanisms protect video and data traffic from contending
for the same network resources to guarantee low latency and the highest
call quality possible for voice and video traffic. At the same time they
ensure the best utilization of WAN bandwidth by enabling data traffic to
burst up to full line rate in the absence of video calls. Precedence is
automatically given to traffic coming from video endpoints and other
devices using the 4350’s Application Layer Gateway function.
• Video NAT/PAT translation for video endpoints and PC’s. This allows a
single IP address to be used on the WAN link to represent all of the private
IP addresses assigned to the LAN video endpoints and PC’s.
• A video aware firewall. A full layer 7 gateway for video traffic and a
stateful packet inspection firewall for data traffic
• Call Admission Control (CAC). CAC uses a deterministic algorithm to
decide when there are insufficient network resources available to
adequately support new video calls and then return the equivalent of a
“fast busy” to new call requests.
Task Subtask
Configure For Hosted
Video Applications?
System Configuration configure LAN/WAN interface Yes
set ethernet link rate Optional
enable the DHCP server Optional
configure SNMP Optional
VoIP Configuration enable the VoIP ALG Yes
configure a VoIP subnet route Optional
Data Networking Configuration dynamic NAT Optional but recommended
static NAT Optional
static IP routing Optional
Firewall Configuration enable the data firewall Yes
configure basic settings Optional
configure advanced settings Optional
Traffic Management
Configuration
enable traffic shaping Yes
enable Call Admission Control Optional