DES-3250TG Layer 2 Fast Ethernet Switch User’s Guide
152
local>
show gvrp
Purpose
Used to display the GVRP status for a port
list on the switch.
Syntax
show gvrp {<portlist>}
Description
This command displays the GVRP status
for a port list on the switch, including the
PVID. The PVID is used by the port to tag
outgoing, untagged packets, and to make
filtering decisions about incoming packets.
If the port is specified as tagging, and an
untagged packet is forwarded to the port
for transmission, the port will add an
802.1Q tag using the PVID to write the VID
in the tag. When the packet arrives at its
destination, the receiving device will use
the PVID to make VLAN forwarding
decisions. If a packet is received by the
port, and Ingress Checking is enabled, the
port will compare the VID of the incoming
packet to its PVID. If the two are unequal,
the port will drop the packet. If the two are
equal, the port will receive and forward the
packet.
Parameters
<portlist>
−
Specifies a range of ports for
which the GVRP status is to be displayed.
The port list is specified by listing the
beginning port number and the highest
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