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C
H A P T E R
This chapter contains information about configuring bandwidth management, editing rules and
viewing the X550N's bandwidth management logs.
17.1 Bandwidth Management Overview
ZyXEL's Bandwidth Management allows you to specify bandwidth management rules based
on an application and/or subnet. You can allocate specific amounts of bandwidth capacity
(bandwidth budgets) to different bandwidth rules.
The X550N applies bandwidth management to traffic that it forwards out through an interface.
The X550N does not control the bandwidth of traffic that comes into an interface.
Bandwidth management applies to all traffic flowing out of the router, regardless of the
traffic's source.
Traffic redirect or IP alias may cause LAN-to-LAN traffic to pass through the X550N and be
managed by bandwidth management.
• The sum of the bandwidth allotments that apply to the WAN interface (LAN to WAN,
WLAN to WAN, WAN to WAN / X550N) must be less than or equal to the Upstream
Bandwidth that you configure in the Bandwidth Management Advanced screen.
• The sum of the bandwidth allotments that apply to the LAN port (WAN to LAN, WLAN
to LAN, LAN to LAN / X550N) must be less than or equal to 100,000 kbps (you cannot
configure the bandwidth budget for the LAN port).
• The sum of the bandwidth allotments that apply to the WLAN port (LAN to WLAN,
WAN to WLAN, WLAN to WLAN / X550N) must be less than or equal to 54,000 kbps
(you cannot configure the bandwidth budget for the WLAN port).
17.2 Application-based Bandwidth Management
You can create bandwidth classes based on individual applications (like VoIP, Web, FTP, E-
mail and Video for example).
17.3 Subnet-based Bandwidth Management
You can create bandwidth classes based on subnets.
X550N Series User's Guide
Bandwidth Management
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