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Defining Static Filters
Applying a filter to an interface
Examples of applying a call filter to a WAN interface
Call filters prevent unnecessary connection time and help the MAX unit distinguish active
traffic from noise. By default, any traffic to a remote site triggers a call, and any traffic across
an active connection resets the connection's idle timer.
The following parameters apply a filter to a WAN connection and set the idle timer to 20
seconds. If no packets get through the call filter in either direction for 20 seconds, the
connection is torn down.
Ethernet
Connections
Following is a comparable RADIUS profile:
bob Password="secret"
Examples of applying a TOS filter to a WAN interface
TOS filters instruct the system to set priority bits and Type of Service (TOS) classes of service
on behalf of customer applications. The MAX unit does not implement priority queuing, but it
does set information that can be used by upstream routers to prioritize and select links for
particular data streams. TOS filters specify which bits to set in the TOS header of IP packets.
The following parameters apply to a TOS filter in a Connection profile. When the incoming
data stream contains packets that match the TOS filter specification, the proxy-QoS and TOS
settings specified in the filter are set in those packets.
Ethernet
Connections
Following is a comparable RADIUS profile in which the TOS filter is specified by the
Filter-ID attribute:
jfan-pc Password="johnfan"
15-28
Connection profile
Session Options...
Call Filter=out-only
Idle=20
Service-Type=Framed-User,
Framed-Protocol=MPP,
Framed-IP-Address=10.10.10.23,
Framed-IP-Netmask=255.255.255.0,
Ascend-Idle-Limit=20
Ascend-Call Filter="generic in drop"
Ascend-Call Filter="generic out forward"
Connection profile
IP Options...
TOS Filter=
Service-Type=Framed-User,
Framed-Protocol=PPP,
Framed-IP-Address=10.168.6.120
Framed-IP-Netmask=255.255.255.0
Filter-ID="jfans-tos-filter"
MAX 6000/3000 Network Configuration Guide
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