ZyXEL Communications ZyWall USG20-VPN, Руководство пользователя

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Chapter 10 Routing
USG20(W)-VPN Series User’s Guide
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DSCP Code Select a DSCP code point value of incoming packets to which this policy route applies
or select
User Define to specify another DSCP code point. The lower the number the
higher the priority with the exception of 0 which is usually given only best-effort
treatment.
any means all DSCP value or no DSCP marker.
default means traffic with a DSCP value of 0. This is usually best effort traffic
The “ af ” choices stand for Assured Forwarding. The number following the “ af ”
identifies one of four classes and one of three drop preferences. See Assured
Forwarding (AF) PHB for DiffServ on page 238 for more details.
User-Defined
DSCP Code
Use this field to specify a custom DSCP code point when you select User Define in the
previous field.
Schedule Select a schedule to control when the policy route is active. none means the route is
active at all times if enabled.
Service Select a service or service group to identify the type of traffic to which this policy route
applies.
Source Port Select a service or service group to identify the source port of packets to which the
policy route applies.
Next-Hop
Type Select Auto to have the USG use the routing table to find a next-hop and forward the
matched packets automatically.
Select Gateway to route the matched packets to the next-hop router or switch you
specified in the Gateway field. You have to set up the next-hop router or switch as a
HOST address object first.
Select VPN Tunnel to route the matched packets via the specified VPN tunnel.
Select Trunk to route the matched packets through the interfaces in the trunk group
based on the load balancing algorithm.
Select Interface to route the matched packets through the specified outgoing
interface to a gateway (which is connected to the interface).
Gateway This field displays when you select Gateway in the Type field. Select a HOST address
object. The gateway is an immediate neighbor of your USG that will forward the packet
to the destination. The gateway must be a router or switch on the same segment as
your USG's interface(s).
VPN Tunnel This field displays when you select VPN Tunnel in the Type field. Select a VPN tunnel
through which the packets are sent to the remote network that is connected to the
USG directly.
Auto Destination
Address
This field displays when you select VPN Tunnel in the Type field. Select this to have
the USG use the local network of the peer router that initiated an incoming dynamic
IPSec tunnel as the destination address of the policy.
Leave this cleared if you want to manually specify the destination address.
Trunk This field displays when you select Trunk in the Type field. Select a trunk group to
have the USG send the packets via the interfaces in the group.
Interface This field displays when you select Interface in the Type field. Select an interface to
have the USG send traffic that matches the policy route through the specified interface.
Table 91
Configuration > Network > Routing > Policy Route > Add/Edit (continued)
LABEL DESCRIPTION