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Chapter 25 Bandwidth Management
ZyWALL 110/310/1100 Series User’s Guide
358
Outbound kbps Type how much outbound bandwidth, in kilobits per second, this policy allows the
traffic to use. Outbound refers to the traffic the ZyWALL sends out from a connection’s
initiator.
If you enter 0 here, this policy does not apply bandwidth management for the
matching traffic that the ZyWALL sends out from 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.
Priority This field displays when the inbound or outbound bandwidth management is not set to
0. Enter a number between 1 and 7 to set the priority for traffic that matches this
policy. The smaller the number, the higher the priority.
Traffic with a higher priority is given bandwidth before traffic with a lower priority.
The ZyWALL uses a fairness-based (round-robin) scheduler to divide bandwidth
between traffic flows with the same priority.
The number in this field is ignored if the incoming and outgoing limits are both set to
0. In this case the traffic is automatically treated as being set to the lowest priority (7)
regardless of this field’s configuration.
Maximize
Bandwidth Usage
This field displays when the inbound or outbound bandwidth management is not set to
0. Enable maximize bandwidth usage to let the traffic matching this policy “borrow”
any unused bandwidth on the out-going interface.
After each application or type of traffic gets its configured bandwidth rate, the ZyWALL
uses the fairness- based scheduler to divide any unused bandwidth on the out-going
interface amongst applications and traffic types that need more bandwidth and have
maximize bandwidth usage enabled.
Related Setting
Log Select whether to have the ZyWALL generate a log (log), log and alert (log alert) or
neither (no) when any traffic matches this policy. See Chapter 38 on page 485 for
more on logs.
OK Click OK to save your changes back to the ZyWALL.
Cancel Click Cancel to exit this screen without saving your changes.
Table 128 Configuration > Bandwidth Management
LABEL DESCRIPTION