Chapter 25 Bandwidth Management

 

 

 

 

Table 128 Configuration > Bandwidth Management

 

LABEL

DESCRIPTION

 

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.

 

 

See Section 10.4 on page 208 for more details.

 

 

 

 

User-Defined

Use this field to specify a custom DSCP code point.

 

DSCP Code

 

 

 

 

 

Service

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 ZyWALL handles the DSCP value of the incoming and outgoing packets

 

 

that match this policy. Inbound refers to the traffic the ZyWALL sends to a connection’s

 

 

initiator. Outbound refers to the traffic the ZyWALL 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. See

 

 

Section 10.4 on page 208 for more details.

 

 

Select preserve to have the ZyWALL keep the packets’ original DSCP value.

 

 

Select default to have the ZyWALL 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.

 

 

 

 

Inbound kbps

Type how much inbound bandwidth, in kilobits per second, this policy allows the traffic

 

 

to use. Inbound refers to the traffic the ZyWALL sends to a connection’s initiator.

 

 

If you enter 0 here, this policy does not apply bandwidth management for the

 

 

matching traffic that the ZyWALL sends to the initiator. Traffic with bandwidth

 

 

management disabled (inbound and outbound are both set to 0) is automatically

 

 

treated as the lowest priority (7).

 

 

If the sum of the bandwidths for routes using the same next hop is higher than the

 

 

actual transmission speed, lower priority traffic may not be sent if higher priority

 

 

traffic uses all of the actual bandwidth.

 

 

 

 

357

ZyWALL 110/310/1100 Series User’s Guide