Virtual LAN Commands

set-mon-port

sets the monitoring port

 

 

stop-mon

stops port monitoring

 

 

monitor

starts port monitoring

 

 

get-nv-mon

retrieves the NVRAM based monitoring configuration

 

 

save-mon

saves the running monitoring configuration to NVRAM

 

 

clear-nv-mon

clears the NVRAM based monitoring configuration

 

 

Virtual Broadcast Domains (VBC)

Virtual Broadcast Domains are port-oriented VLANs that allow broadcast Ethernet addresses to be broadcasted (transmitted) to the assigned ports in that VBC. The VBCs do not require a SVLAN to be configured to allow packet switching between assigned ports in a VBC. Broadcast packets (destination address of FF FF FF FF FF FF) remain within the VBC where they are received and are transmitted to only the ports in a SVLAN that are members of the receiving VBC port.

A VBC VLAN can be built from any combination of ports. However, ports in a VLAN cannot overlap. If you assign the same port to multiple VLANs, they become one VLAN which contains all of the original VLAN ports.You can view VLAN settings by using the CLI get-con-matrix command which shows the connectivity matrix of all the ports (identifies the ports sending frames to other ports).

get-con-matrix

Retrieves the current connectivity matrix for the switch. The first column is the source port. The other columns are destinations to which frames from a given source port (determined by which row) may be forwarded. Unlearned addresses will be forwarded to all destinations marked with a + in the source port’s row. Learned addresses will be forwarded to their destinations only if the destination is marked with a “+” in the source port’s row. Note that the switch has a default VBC that contains all the ports in the switch that are not assigned to a VBC VLAN. The following example shows that Ports 1-4 are in VLAN #1; the remaining ports are in the default VLAN. Also see the example for get-vbc-tbl run.

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Allied Telesis at-8116 manual Virtual Broadcast Domains VBC, Get-con-matrix