Virtual Private LAN Services
7750 SR OS Services Guide Page 529
vlan-vc-tag
Syntax vlan-vc-tag 0..4094
no vlan-vc-tag [0..4094]
Context config>service>vpls>spoke-sdp
config>service>vpls>mesh-sdp
Description This command specifies an explicit dot1q value used when encapsulating to the SDP far end. When
signaling is enabled between the near and far end, the configured dot1q tag can be overridden by a
received TLV specifying the dot1q value expected by the far end. This signaled value must be stored
as the remote signaled dot1q value for the binding. The provisioned local dot1q tag must be stored as
the administrative dot1q value for the binding.
When the dot1q tag is not defined, the default value of zero is stored as the administrative dot1q
value. Setting the value to zero is equivalent to not specifying the value.
The no form of this command disables the command
Default no vlan-vc-tag
Parameters 0..4094 — Specifies a valid VLAN identifier to bind an 802.1Q VLAN tag ID.
root-guard
Syntax [no] root-guard
Context config>service>vpls>sap>stp
Description This command specifies whether this port is allowed to become an STP root port. It corresponds to
the restrictedRole parameter in 802.1Q. If set, it can cause lack of spanning tree connectivity.
Default no root-guard
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