Backup - Avaya G250 Administration

Media gateway

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Applications

Figure 49: Policy-based routing — Voice/Data Division By DSCP

Headquarters

Small Branch

Backup

You can utilize policy-based routing to define backup routes for defined classes of traffic. If the

first route on the next hop list fails, the packets are routed to a subsequent hop. When

necessary, you can use the NULL interface to drop packets when the primary next hop fails. For

example, voice packets are usually sent over a WAN line, and not the Internet. You can

configure a PBR list to drop voice packets when the WAN line is down.

Issue 1.1 June 2005