SMC Networks SMC TigerAccess SMC7824M/FSW - Manual (Page 263)

IEEE 802.1Q VLAN
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forwarding a frame from this switch along a path that does not contain any
VLAN-aware devices (including the destination host), the switch must first
strip off the VLAN tag before forwarding the frame. When the switch
receives a tagged frame, it will pass this frame onto the VLAN(s) indicated
by the frame tag. However, when this switch receives an untagged frame
from a VLAN-unaware device, it first decides where to forward the frame,
and then inserts a VLAN tag reflecting the ingress port’s default VID.
Enabling or Disabling GVRP (Global Setting)
GARP VLAN Registration Protocol (GVRP) defines a way for switches to
exchange VLAN information in order to register VLAN members on
ports across the network. VLANs are dynamically configured based on
join messages issued by host devices and propagated throughout the
network. GVRP must be enabled to permit automatic VLAN registration,
and to support VLANs which extend beyond the local switch. (Default:
Disabled)
Web – Click VLAN, 802.1Q VLAN, GVRP Status. Enable or disable
GVRP, click Apply
Figure 12-1 Globally Enabling GVRP
CLI – This example enables GVRP for the switch.
Console(config)#bridge-ext gvrp 30-2
Console(config)#