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Chapter 3 General Management of the Switch 3-139
3.5 Monitoring Port and Management
Traffic
This section describes switch monitoring functions, including those used to mirror
traffic to a monitor port for analysis, display detailed network statistics for any port,
or display key statistics on SNMP traffic passing through the management port.
Note – The integrated switches on the Sun Fire B1600 blade system chassis are each
composed of two switch chips linked together. It is only possible to mirror the traffic
on one port by using another port that is on the same switch chip. The ports NETP0,
NETP1, NETP4, NETP5, and SNP8 through SNP15 are on one switch chip. The ports
NETP2, NETP3, NETP6, NETP7, and SNP0 through SNP7 are on the other. (If you
look at the rear panel of the SSC, all the ports on the right are on one chip, and all
the ports on the left are on the other.)
3.5.1 Configuring Port Mirroring
You can mirror traffic from any source port to a target port for real-time analysis.
You can then attach a logic analyzer or RMON probe to the target port and study the
traffic crossing the source port in a completely unobtrusive manner.
Note the following points about port mirroring:
■ The monitor port speed must match or exceed source port speed, otherwise traffic
may be dropped from the monitor port.
■ When mirroring port traffic, the target port must be included in the same VLAN
as the source port.
3.5.1.1 Web Interface: Configuring Port Mirroring
1. Open Monitoring ⇒ Port Mirror.
2. Select the source port.
3. Select the monitor port.
4. Select the traffic type to be mirrored.
5. Click Add.