ZyXEL Communications ZyWALL 35 Series, User Manual

Page: 470 / 872

Chapter 24 Bandwidth Management
ZyWALL 5/35/70 Series User’s Guide
470
Enable Bandwidth
Filter
Select Enable Bandwidth Filter to have the ZyWALL use this bandwidth filter
when it performs bandwidth management.
You must enter a value in at least one of the following fields (other than the
Subnet Mask fields which are only available when you enter the destination or
source IP address).
Service This field simplifies bandwidth class configuration by allowing you to select a
predefined application. When you select a predefined application, you do not
configure the rest of the bandwidth filter fields (other than enabling or disabling
the filter).
FTP (File Transfer Program) is a program to enable fast transfer of files,
including large files that may not be possible by e-mail. Select FTP from the
drop-down list box to configure the bandwidth filter for TCP packets with a port
21 destination.
H.323 is a protocol used for multimedia communications over networks, for
example OpenPhone. Select H.323 from the drop-down list box to configure
the bandwidth filter for TCP packets with a port 1720 destination.
Note: At the time of writing, bandwidth management only
supports H.323 applications using the fast connect
procedure. H.323 applications using the normal connect
procedure are not applicable to bandwidth management.
Note: If you select H.323 , make sure you also use the ALG
screen to turn on the H.323 ALG.
SIP (Session Initiation Protocol) is a signaling protocol used in Internet
telephony, instant messaging, events notification and conferencing. The
ZyWALL supports SIP traffic pass-through. Select
SIP from the drop-down list
box to configure this bandwidth filter for UDP packets with a port 5060
destination. This option makes it easier to manage bandwidth for SIP traffic
and is useful for example when there is a VoIP (Voice over Internet Protocol)
device on your LAN.
Note: If you select SIP , make sure you also use the ALG screen
to turn on the SIP ALG.
Select Custom from the drop-down list box if you do not want to use a
predefined application for the bandwidth class. When you select Custom , you
need to configure at least one of the following fields (other than the Subnet
Mask fields which you only enter if you also enter a corresponding destination
or source IP address).
Destination Address
Type Do you want your rule to apply to packets coming going to a particular (single)
IP, a range of IP addresses (for example 192.168.1.10 to 192.169.1.50) or a
subnet? Select
Single Address, Range Address or Subnet Address .
Destination IP
Address Enter the single IP address or the starting IP address in a range here.
Destination End
Address
/ Subnet
Mask
If you are configuring a range of IP addresses, enter the ending IP address
here. If you are configuring a subnet of addresses, enter the subnet mask here.
Refer to
Appendix E on page 803 for more information on IP subnetting.
Destination Port Enter the starting and ending destination port numbers. Enter the same port
number in both fields to specify a single port number. See
Appendix F on page
813 for a table of services and port numbers.
Table 147 ADVANCED > BW MGMT > Class Setup > Add Sub-Class (continued)
LABEL DESCRIPTION