User`s manual

120 Asanté IntraCore 36000 Series
Usage Guidelines
GVRP – GARP VLAN Registration Protocol defines a way for switches to exchange VLAN information to
automatically register VLAN members on interfaces across the network.
GARP – Group Address Registration Protocol is used by GVRP to register or deregister client attributes for
client services within a bridged LAN. The default values for the GARP timers are independent of the media
access method or data rate. These values should not be changed unless you are experiencing difficulties
with GVRP registration/deregistration.
Command Attributes
PVID – VLAN ID assigned to untagged frames received on the interface. (Default: 1)
• If an interface is not a member of VLAN 1 and you assign its PVID to this VLAN, the interface will
automatically be added to VLAN 1 as an untagged member. For all other VLANs, an interface must first
be configured as an untagged member before you can assign its PVID to that group.
Acceptable Frame Type – Sets the interface to accept all frame types, including tagged or untagged frames,
or only tagged frames. When set to receive all frame types, any received frames that are untagged are
assigned to the default VLAN. (Option: All, Tagged; Default: All)
Ingress Filtering – Determines how to process frames tagged for VLANs for which the ingress port is not a
member. (Default: Disabled)
• Ingress filtering only affects tagged frames.
• If ingress filtering is disabled and a port receives frames tagged for VLANs for which it is not a member,
these frames will be flooded to all other ports (except for those VLANs explicitly forbidden on this port).
• If ingress filtering is enabled and a port receives frames tagged for VLANs for which it is not a member,
these frames will be discarded.
• Ingress filtering does not affect VLAN independent BPDU frames, such as GVRP or STP. They do
affect VLAN dependent BPDU frames, such as GMRP.
GVRP Status – Enables/disables GVRP for the interface. GVRP must be globally enabled for the switch
before this setting can take effect. (See section 2.4.10 Displaying Bridge Extension Capabilities) When
disabled, any GVRP packets received on this port will be discarded and no GVRP registrations will be
propagated from other ports. (Default: Disabled)
GARP Join Timer – The interval between transmitting requests/queries to participate in a VLAN group.
(Range: 20-1000 centiseconds; Default: 20) (Timer settings: 2 x (join timer) < leave timer < leaveAll timer)
GARP Leave Timer – The interval a port waits before leaving a VLAN group. This time should be set to
more than twice the join time. This ensures that after a Leave or LeaveAll message has been issued, the
applicants can rejoin before the port actually leaves the group. (Range: 60-3000 centiseconds; Default: 60)
(Timer settings: 2 x (join timer) < leave timer < leaveAll timer)
GARP LeaveAll Timer – The interval between sending out a LeaveAll query message for VLAN group
participants and the port leaving the group. This interval should be considerably larger than the Leave Time
to minimize the amount of traffic generated by nodes rejoining the group. (Range: 500-18000 centiseconds;
Default: 1000) (Timer settings: 2 x (join timer) < leave timer < leaveAll timer)
Mode – Indicates VLAN membership mode for an interface. (Default: 1Q Trunk)
• 1Q Trunk – Specifies a port as an end-point for a VLAN trunk. A trunk is a direct link between two
switches, so the port transmits tagged frames that identify the source VLAN. Note that frames belonging