15 mirror – AirLive SNMP-24MGB User Manual

Page 166

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4. Web Management in SNMP-24MGB

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AirLive SNMP-24MGB User’s Manual

“dsbl”(disable port), ”alt”(alternate port), “bkup”(backup port), “ROOT”(root port) ,
“DSGN”(designated port), “MSTR”(master port).

The last 3 are possible port roles

for a port to transit to FORWARDING state

Path Cost:

Display currently resolved port path cost value for each port in a particular
spanning tree instance.

Priority:

Display port priority value for each port in a particular spanning tree instance.

Hello:

per port Hello Time display. It takes the following form:
Current Hello Time/Hello Time Setting

Oper. Edge:

Whether or not a port is an Edge Port in reality.

Oper. P2P:

Whether or not a port is a Point-to-Point Port in reality.

Restricted Role:

Same as mentioned in “Port Config”

Restricted Tcn:

Same as mentioned in “Port Config”

4.15 Mirror

Function name:

Mirror Configuration

Function description:

Mirror Configuration is to monitor the traffic of the network. For example, we assume
that Port A and Port B are Monitoring Port and Monitored Port respectively, thus, the
traffic received by Port B will be copied to Port A for monitoring.

Note:

When configuring the mirror function, you should avoid setting a port to be a sniffer
port and aggregated port at the same time. It will cause something wrong.

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