ZyXEL ZyWALL 5 User Guide - Page 476
Bandwidth Borrowing Example
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Chapter 25 Bandwidth Management Screens Table 146 ADVANCED > BW MGMT > Class Setup > Add Sub-Class (continued) LABEL DESCRIPTION Source Address Type Do you want your rule to apply to packets coming from 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. Source IP Address Enter the single IP address or the starting IP address in a range here. Source End Address If you are configuring a range of IP addresses, enter the ending IP address / Subnet Mask here. If you are configuring a subnet of addresses, enter the subnet mask here. Refer to Appendix E on page 817 for more information on IP subnetting. Source 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 B on page 783 for a table of services and port numbers. Protocol ID Enter the protocol ID (service type) number, for example: 1 for ICMP, 6 for TCP or 17 for UDP. Apply Click Apply to save your changes back to the ZyWALL. Cancel Click Cancel to exit this screen without saving. 25.4.1 Bandwidth Borrowing Example Here is an example of bandwidth management with classes configured for bandwidth borrowing. The classes are set up based on departments and individuals within certain departments. Refer to the product specifications chapter to see how many class levels you can configure on your ZyWALL. Table 147 Bandwidth Borrowing Example BANDWIDTH CLASSES AND BANDWIDTH BORROWING SETTINGS Root Class: Administration: Borrowing Enabled Sales: Borrowing Disabled Sales USA: Borrowing Enabled Bill: Borrowing Enabled Amy: Borrowing Disabled Sales Asia: Borrowing Disabled Tina: Borrowing Enabled Fred: Borrowing Disabled Marketing: Borrowing Enabled Research: Borrowing Enabled Software: Borrowing Enabled Hardware: Borrowing Enabled • The Bill class can borrow unused bandwidth from the Sales USA class because the Bill class has bandwidth borrowing enabled. • The Bill class can also borrow unused bandwidth from the Sales class because the Sales USA class also has bandwidth borrowing enabled. • The Bill class cannot borrow unused bandwidth from the Root class because the Sales class has bandwidth borrowing disabled. • The Amy class cannot borrow unused bandwidth from the Sales USA class because the Amy class has bandwidth borrowing disabled. 476 ZyWALL 5/35/70 Series User's Guide