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SONICWALL SONICOS ENHANCED 2.5 ADMINISTRATOR’S GUIDE
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Route Policies
MD5 Digest - Enter a numerical value from 0-255 in the Authentication Key-Id (0-255) field.
Enter a 32 hex digit value for the Authentication Key (32 hex digits) field, or use the generated
key.
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Click OK.
Route Policies
SonicOS Enhanced provides Policy Based Routing (PBR) to to provide more flexible and granular
traffic handling capabilities.
Policy Based Routing
A simple static routing entry specifies how to handle traffic that matches specific criteria, such as
destination address, destination mask, gateway to forward traffic, the interface that gateway is
located, and the route metric. This method of static routing satifies most static requirments, but is
limited to forwarding based only on destination addressing.
Policy Based Routing (PBR) allows you to create extended static routes to provide more flexible and
granular traffic handling capabilities. SonicOS Enhanced PBR allows for matching based upon source
address, source netmask, destination address, destination netmask, service, interface, and metric.
This method of routing allows for full control of forwarding based upon a large number of user defined
variables.
A metric is a weighted cost assigned to static and dynamic routes. Metrics have a value between 0
and 255. Lower metrics are considered better and take precedence over higher costs. SonicOS
Enhanced adheres to Cisco defined metric values for directly connected interfaces, statically encoded
routes, and all dynamic IP routing protocols.
Metric Value Description
1 Static Route
5 EIGRP Summary
20 External BGP
90 EIGRP
100 IGRP
110 OSPF
115 IS-IS
120 RIP
140 EGP
170 External EIGRP
Internal BGP