Port Mirroring
Page 19-58
where
<slot>
is the slot number of the module containing the mirrored port, and
<port>
is the
port number of the mirrored port. For example, if the Admin Status of a port displayed as
M 3 02
then you would know this port is mirroring traffic for Port 2 on the module in Slot 3.
If a cable is not attached to the Mirrored port, port mirroring will not take place. In this case,
the Mirroring Port reverts back to its normally operational state and will bridge frames as if
port mirroring were disabled.
Using Port Mirroring With External RMON Probes
Port mirroring is a helpful monitoring tool when used in conjunction with an external
RMON
probe. Once you set up port mirroring, the probe can collect all relevant
RMON
statistics for
traffic on the mirrored port. You can also move the Mirrored Port so that the Mirroring Port
receives data from different ports. In this way, you can roam the switch and monitor traffic at
various ports.
If you attach an external
RMON
probe to a mirroring port, that probe must have an IP address
that places it in the same
VLAN
as the mirrored port. In addition if you change the mirrored
port, then you must again make sure that the
RMON
probe is in the same
VLAN
as that new
mirrored port.
Mirrored and Mirroring Ports in Same VLAN
Frames received from an
RMON
probe attached to the Mirroring Port can be seen as being
received by the Mirrored Port. These frames from the Mirroring Port are marked
as if they are
received on the Mirrored Port
before being sent over the switch backplane to an
NMS
station.
Therefore, management frames from an
NMS
station that are destined for the
RMON
probe are
first forwarded out the Mirrored Port. After being received on the Mirrored Port, copies of the
frames are mirrored out the Mirroring Port—the probe attached to the Mirroring Port receives
the management frames. The illustration on the following page shows this data flow.
Mirrored Port
Mirroring Port
RMON Probe
Must be in same VLAN.
Содержание Omni Switch/Router
Страница 1: ...Part No 060166 10 Rev C March 2005 Omni Switch Router User Manual Release 4 5 www alcatel com ...
Страница 4: ...page iv ...
Страница 110: ...WAN Modules Page 3 40 ...
Страница 156: ...UI Table Filtering Using Search and Filter Commands Page 4 46 ...
Страница 164: ...Using ZMODEM Page 5 8 ...
Страница 186: ...Displaying and Setting the Swap State Page 6 22 ...
Страница 202: ...Creating a New File System Page 7 16 ...
Страница 270: ...Displaying Secure Access Entries in the MPM Log Page 10 14 ...
Страница 430: ...OmniChannel Page 15 16 ...
Страница 496: ...Configuring Source Route to Transparent Bridging Page 17 48 ...
Страница 542: ...Dissimilar LAN Switching Capabilities Page 18 46 ...
Страница 646: ...Application Example DHCP Policies Page 20 30 ...
Страница 660: ...GMAP Page 21 14 ...
Страница 710: ...Viewing the Virtual Interface of Multicast VLANs Page 23 16 ...
Страница 722: ...Application Example 5 Page 24 12 ...
Страница 788: ...Viewing UDP Relay Statistics Page 26 24 ...
Страница 872: ...The WAN Port Software Menu Page 28 46 ...
Страница 960: ...Deleting a PPP Entity Page 30 22 ...
Страница 978: ...Displaying Link Status Page 31 18 ...
Страница 988: ...Displaying ISDN Configuration Entry Status Page 32 10 ...
Страница 1024: ...Backup Services Commands Page 34 14 ...
Страница 1062: ...Diagnostic Test Cable Schematics Page 36 24 ...
Страница 1072: ...Configuring a Switch with an MPX Page A 10 ...
Страница 1086: ...Page B 14 ...
Страница 1100: ...Page I 14 Index ...