Alteon Application Switch Operating System Application Guide
Bandwidth Management
762 Document ID: RDWR-ALOS-V2900_AG1302
• /cfg/slb/virt—Used to configure classifications based on virtual servers.
• /cfg/port—Used to configure classifications based on physical ports.
Note: For trunking, use /cfg/l2/trunk.
•
/cfg/l2/vlan—Used to configure classifications based on VLANs.
•
/cfg/slb/layer7/lb—Used to configure classification based on URL paths.
• /info/bwm—Used to display the set of classifications associated with each contract.
To associate a particular classification with a contract, enter the contract index into the cont menu
option under the applicable configuration menus.
As illustrated in Figure 129 - How Bandwidth Management Works, page 762, when the Virtual
Matrix Architecture (VMA) is enabled, traffic classification is performed on the ingress port (the port
on which the frame is received), and not the client port or the server port. If the traffic classification
is performed on Layer 4 through Layer 7 traffic (filter-based or SLB traffic), then the classification
occurs on the designated port.
Figure 129: How Bandwidth Management Works
Classification Rules
In a classification rule, certain frames are grouped together. For frames qualifying for multiple
classifications, the contract precedence is also specified per contract. If no precedence is specified,
the default order is used (see Classification Precedence, page 763
).
The following classifications limit the traffic outbound from the server farm for bandwidth
measurement and control:
• Physical Port—All frames are from a specified physical port.
• VLAN—All frames are from a specified VLAN. If a VLAN translation occurs, the bandwidth policy
is based on the ingress VLAN.
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