ZyXEL Communications ZyWall USG20-VPN, Руководство пользователя

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Chapter 26 BWM (Bandwidth Management)
USG20(W)-VPN Series User’s Guide
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BWM Type This field displays the below types of BWM rule:
• Shared, when the policy is set for all users
• Per User, when the policy is set for an individual user or a user group
• Per Source IP, when the policy is set for a source IP
User Select a user name or user group to which to apply the policy. Use Create new
Object if you need to configure a new user account. Select any to apply the policy for
every user.
Schedule Select a schedule that defines when the policy applies or select Create Object to
configure a new one. Otherwise, select none to make the policy always effective.
Incoming Interface Select the source interface of the traffic to which this policy applies.
Outgoing Interface Select the destination interface of the traffic to which this policy applies.
Source Select a source address or address group for whom this policy applies. Use Create
new Object if you need to configure a new one. Select any if the policy is effective for
every source.
Destination Select a destination address or address group for whom this policy applies. Use
Create new Object if you need to configure a new one. Select any if the policy is
effective for every destination.
DSCP Code Select a DSCP code point value of incoming packets to which this policy
route applies or select User Defined 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.
User-Defined
DSCP Code
Use this field to specify a custom DSCP code point.
Service Type Select Service Object if you want a specific service (defined in a service object) to
which the policy applies.
Service Object This field is available if you selected Service Object as the service type.
Select a service or service group to identify the type of traffic to which this policy
applies.
any means all services.
DSCP Marking Set how the USG handles the DSCP value of the incoming and outgoing packets that
match this policy. Inbound refers to the traffic the USG sends to a connection’s
initiator. Outbound refers to the traffic the USG sends out from a connection’s initiator.
Select one of the pre-defined DSCP values to apply or select User Defined to specify
another DSCP value. The “ af ” choices stand for Assured Forwarding. The number
following the “ af ” identifies one of four classes and one of three drop preferences.
Select preserve to have the USG keep the packets’ original DSCP value.
Select default to have the USG set the DSCP value of the packets to 0.
Bandwidth Shaping Configure these fields to set the amount of bandwidth the matching traffic can use.
Table 159
Configuration > Bandwidth Management > Add/Edit
LABEL DESCRIPTION