Enterasys Networks ENTERASYS ATX - Manual (Page 70)

ATX Port Mirroring
6-4 The Port Mirroring Window
If the port(s) being mirrored and the diagnostics port are both local
1. In the mirrored ports selection area, click on the selection button(s) for each
port that you wish to mirror.
2. In the Mirror Type field, click on the menu button to display the Port Type
selection menu. Select Local from the menu. To halt mirroring for the selected
ports, select Off.
3. To direct mirrored traffic to a local diagnostic port, highlight the contents of the
Diag Port field and type in the port index number of the port on your ATX that
will be used as the diagnostic port.
4. To discard oversized packets which arrive at a local diagnostic port, click on
the Discard Oversized Packets selection button. To truncate oversized
packets, click on the Truncate Oversized Packets button.
5. Using the Port Filtering window, establish any mirror filters that you wish to
apply to the mirrored traffic. See Chapter 3, Using ATX Port Filtering, for
details on setting up your mirror filters.
6. Click on Set to apply your port mirroring configuration. Your configuration will
be reflected in the window.
If the port(s) being mirrored are remote
You will need to set port mirroring at the device where the mirrored ports are
located and at the device where the diagnostics port is located.
From the device where the mirrored ports are located
1. Highlight the contents of the Diag Port field, and type in 0 (zero) as the index
number. Specifying zero as the Port Index indicates that you will be sending
mirrored traffic to a remote diagnostic port.
2. In the Mirror Type field, click on the menu button to display the Port Type
selection menu. Select Local from the menu. To halt mirroring, select Off.
3. To direct mirrored traffic to a remote diagnostic port, highlight the contents of
the Remote IP Addr field and type in the IP address of the ATX on which the
remote diagnostic port resides.
4. In the port selection area, click on the selection button(s) for each port that
you wish to mirror.
NOTE
If you will be sending mirrored traffic to a local diagnostic port, the value in the Remote
Ip Addr field should be 0.0.0.0.