Port Monitoring | 387
Figure 21-2.  Number of Monitoring Ports
In Figure 21-3, 0/25 and 0/26 belong to Port-pipe 1. This port-pipe again has the same restriction of only 
four destination ports, new or used.
Figure 21-3.  Number of Monitoring Ports
A source port may only be monitored by one destination port (Message 3), but a destination port may 
monitor more than one source port. 
Message 3  One Destination Port in a Monitoring Session Error Message
% Error: Exceeding max MG ports for this MD port pipe.
Message 4  One Destination Port per Source Port Error Message
% Error: MD port is already being monitored.
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
     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
 300       TenGig 0/17      TenGig 0/1          tx             interface   Port-based
FTOS(conf-mon-sess-300)#do 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
  100       TenGig 0/25      TenGig 0/38         tx             interface   Port-based
 110       TenGig 0/26      TenGig 0/39         tx             interface   Port-based
 300       TenGig 0/17      TenGig 0/1          tx             interface   Port-based
FTOS(conf-mon-sess-300)#