ZyXEL UAG4100 User Guide - Page 368
Outbound and Inbound Bandwidth Limits, Bandwidth Management Priority
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Chapter 31 Bandwidth Management Figure 252 LAN1 to WAN Connection and Packet Directions Connection Outbound BWM BWM Inbound Outbound and Inbound Bandwidth Limits You can limit an application's outbound or inbound bandwidth. This limit keeps the traffic from using up too much of the out-going interface's bandwidth. This way you can make sure there is bandwidth for other applications. When you apply a bandwidth limit to outbound or inbound traffic, each member of the out-going zone can send up to the limit. Take a LAN1 to WAN policy for example. • Outbound traffic is limited to 200 kbps. The connection initiator is on the LAN1 so outbound means the traffic traveling from the LAN1 to the WAN. Each of the WAN zone's two interfaces can send the limit of 200 kbps of traffic. • Inbound traffic is limited to 500 kbs. The connection initiator is on the LAN1 so inbound means the traffic traveling from the WAN to the LAN1. Figure 253 LAN1 to WAN, Outbound 200 kbps, Inbound 500 kbps Outbound 200 kbps Inbound 500 kbps Bandwidth Management Priority • The UAG gives bandwidth to higher-priority traffic first, until it reaches its configured bandwidth rate. • Then lower-priority traffic gets bandwidth. • The UAG uses a fairness-based (round-robin) scheduler to divide bandwidth among traffic flows with the same priority. • The UAG automatically treats traffic with bandwidth management disabled as priority 7 (the lowest priority). UAG Series User's Guide 368
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