Virtual Private LAN Services
Page 386 7210 SAS-X, R6 OS Services Guide
command creates a split-horizon group to ensure that Sub-Ring control messages from the major
ring are only passed to the Sub-Ring control service.
eth-ring — The keyword to create an instance of a Ring APS Control SAP or a Data SAP whose
traffic is protected by a Ring APS Instance.
ring-index — Specifies the ring index of the Ethernet ring.
split-horizon-group group-name — Specifies the name of the split horizon group to which the SAP
belongs.
discard-unknown-source
Syntax [no] discard-unknown-source
Context config>service>vpls>sap
config>service>vpls>spoke-sdp
Description When this command is enabled, packets received on a SAP or with an unknown source MAC address
will be dropped only if the maximum number of MAC addresses for that SAP (see max-nbr-mac-addr
on page 393) has been reached. If max-nbr-mac-addr has not been set for the SAP, enabling discard-
unknown-source has no effect.
When disabled, the packets are forwarded based on the destination MAC addresses.
The no form of this command causes packets with an unknown source MAC addresses to be
forwarded by destination MAC addresses in VPLS.
Default no discard-unknown-source
config>service>vpls
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