Alteon Application Switch Operating System Application Guide
Bandwidth Management
Document ID: RDWR-ALOS-V2900_AG1302 773
Contract-Based Packet Mirroring
Contract-based packet mirroring allows an egress packet that matches a contract to be mirrored to
a specified port. This feature can be used for troubleshooting and analysis as well as a tool to
identify new signatures for Internet Traffic Management (ITM) functionality.
You enable packet mirroring on a contract by configuring a valid mirroring port. When a packet is
classified, if a mirroring port is configured for that contract, a copy of the packet is mirrored to the
configured port. The packet is mirrored at the egress port after all modifications are made to the
packet.
Note: This feature is available in maintenance mode only.
To set a mirroring port for a contract
To disable a mirroring port on a contract
Note: Mirroring occurs before the application of the limiting contract. Packets that would have been
otherwise discarded by the contract are also copied to the mirroring port.
Configuring Bandwidth Management
The following procedure provides general instructions for configuring BWM on Alteon. Specific
configuration examples begin on Additional BWM Configuration Examples, page 776.
To configure Bandwidth Management
1. Configure Alteon as you normally would for SLB. Configuration includes the following tasks:
— Assign an IP address to each of the real servers in the server pool.
— Define an IP interface.
— Define each real server.
— Define a real server group.
— Define a virtual server.
— Define the port configuration.
>> Main# /cfg/bwm/cont <contract number> /pmirr <port>
>> Main# /cfg/bwm/cont <contract number> /pmirr none
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