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Monitoring and Analyzing Switch Operation
Traffic Mirroring
of the mirror’ed copy; ‘disabled’ does put
the VLAN tag in the mirror’ed copy. Only one
logical port is allowed.
This object is persistent and when written
the entity
SHOULD save the change to non-volatile storage.”
DEFVAL { 2 }
::= { hpicfBridgeMirrorSessionEntry 2 }
Operating Notes. The following conditions apply for the no-tag-added
option:
■ The specified port can be a physical port, trunk port, or mesh port.
■ Only a single logical port (physical port or trunk) can be associated with
a mirror session when the no-tag-added option is specified. No other
combination of ACL mirroring, VLAN mirroring, or port mirroring can be
associated with the mirror session. If more than one logical port is
specified, the following error message is displayed:
Cannot monitor more than one logical port with no-tag-added option
■ If a port changes its VLAN membership and/or untagged status within the
VLAN, the “untagged port mirroring” associated with that port is updated
when the configuration change is processed.
■ Only four ports or trunks can be monitored at one time when all four
mirror sessions are in use (one logical port per mirror session) without
VLAN tags being added to a mirrored copy.
■ The no-tag-added option can also be used when mirroring is configured
with SNMP.
■ A VLAN tag is still added to the copies of untagged packets obtained via
VLAN-based mirroring.
B-60