configure stpd add vlan
ExtremeWare Software 7.3.0 Command Reference Guide 1005
configure stpd add vlan
configure stpd <spanning tree name> add vlan <vlan name> {ports <portlist>
[dot1d | emistp | pvst-plus]}
Description
Adds one or more VLANs, or a list of ports within a VLAN, to a specified STPD.
Syntax Description
Default
For ExtremeWare 6.1 (or earlier), the default is N/A.
For ExtremeWare 6.2 (or later), all ports are in
emistp
mode, except those in STPD s0, whose default
setting is
dot1d
mode.
Usage Guidelines
For version 6.2 or later, this command adds a list of ports within a VLAN to a specified STPD. If no
ports are specified, the entire VLAN is added.
For versions up to 6.1, this command adds one or more VLANs to the STPD. All VLANs participating
in the STPD elect a Root Bridge and create a loop free least-cost path to the bridge.
Care must be taken to ensure that ports in overlapping domains do not interfere with the orderly
working of each domain’s protocol.
You must create a VLAN to add a VLAN to the STPD. To create a VLAN, use the
create vlan <vlan
name>
command.
You can create STP domains using the
create stpd <name>
command.
For version 6.2 or later:
Added keywords
dot1d
,
emistp
, and
pvst-plus
to specify STP port modes.
•
dot1d
—This mode is reserved for backward compatibility with previous STP versions. BPDUs are
sent untagged in 802.1d mode. Because of this, on any given physical interface there can be only one
STPD running in 802.1d mode.
•
emistp
—This mode sends BPDUs with an 802.1Q tag having an STPD instance Identifier (StpdID) in
the VLANid field.
spanning tree name Specifies an STPD name on the switch.
vlan name Specifies a VLAN name.
ports Specifies the port or ports to be included in the STPD. (6.2)
dot1d Specifies the STP port mode of operation to be 802.1d. (6.2)
emistp Specifies the STP port mode of operation to be EMISTP. (6.2)
pvst-plus Specifies the STP port mode of operation to be PVST+. (6.2)
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