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386 | Port Monitoring

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Port Monitoring

The MXL 10/40GbE Switch supports multiple source-destination statements in a monitor session, but

there may only be one destination port in a monitoring session (Message 2).

The number of source ports FTOS allows within a port-pipe is equal to the number of physical ports in the

port-pipe (n). However, n number of ports may only have four different destination ports (Message 3).

In Figure 21-1, ports 0/13, 0/14, 0/15, and 0/16 all belong to the same port-pipe. They are pointing to four

different destinations (0/1, 0/2, 0/3, and 0/37). Now it is not possible for another source port from the same

port-pipe (for example, 0/17) to point to another new destination (for example, 0/4). If you attempt to

configure another destination, Message 3 appears. However, you can configure another monitoring session

that uses one of previously used destination ports (Figure 21-2).

Figure 21-1. Number of Monitoring Ports

Note: There is no limit to the number of monitoring sessions per system, provided that there are only four

destination ports per port-pipe. If each monitoring session has a unique destination port, the maximum

number of session is four per port-pipe.

Message 2 One Destination Port in a Monitoring Session Error Message

% Error: Only one MG port is allowed in a session.

FTOS#show mon session

SessionID Source Destination Direction Mode Type

--------- ------ ----------- --------- ---- ----

0 TenGig 0/13 TenGig 0/1 rx interface Port-based

10 TenGig 0/14 TenGig 0/2 rx interface Port-based

20 TenGig 0/15 TenGig 0/3 rx interface Port-based

30 TenGig 0/16 TenGig 0/37 rx interface Port-based

FTOS(conf)#mon ses 300

FTOS(conf-mon-sess-300)#source tengig 0/17 destination tengig 0/4 direction tx

% Error: Exceeding max MG ports for this MD port pipe.

FTOS(conf-mon-sess-300)#

FTOS(conf-mon-sess-300)#source tengig 0/17 destination tengig 0/1 direction tx

FTOS(conf-mon-sess-300)#do show mon session