Alcatel-Lucent 7750 SR Manual page 783

An MRP policy can be applied to the edge of MAN1 domain to restrict the MMRP advertisements
for local ISIDs outside local domain. Or the MRP policy can specify the inter-domain ISIDs
allowed to be advertised outside MAN1. The configuration of MRP policy is similar with the
configuration of a filter. It can be specified as a template or exclusively for a specific endpoint
under service mrp object. An ISID or a range of ISID(s) can be used to specify one or multiple
match criteria that will be used to generate the list of Group MACs to be used as filters to control
which MMRP attributes can be advertised. An example of a simple mrp-policy that allows the
advertisement of Group BMACs associated with ISID range 100-150 is given below:
*A:ALA-7>config>service>mrp# info
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A special action end-station is available under mrp-policy entry object to allow the emulation on a
specific SAP/PW of an MMRP end-station. This is usually required when the operator does not
want to activate MRP in the WAN domain for interoperability reasons or if it prefers to manually
specify which ISID will be interconnected over the WAN. In this case the MRP transmission will
be shutdown on that SAP/PW and the configured ISIDs will be used the same way as an IVPLS
connection into the BVPLS, emulating a static entry in the related BVPLS MFIB. Also if MRP is
active in the BVPLS context, MMRP will declare the related GBMAC(s) continuously over all the
other BVPLS SAP/PW(s) until the mrp-policy end-station action is removed from the mrp-policy
assigned to that BVPLS context.
The MMRP usage of the mrp-policy will ensure automatically that traffic using Group BMAC
will not be flooded between domains. There could be though small transitory periods when traffic
originated from PBB BEB with unicast BMAC destination may be flooded in the BVPLS context
as unknown unicast in the BVPLS context for both IVPLS and PBB Epipe. To restrict distribution
of this traffic for local PBB services a new ISID match criteria is added to existing mac-filters.
The mac-filter configured with ISID match criterias can be applied to the same interconnect
endpoint(s), BVPLS SAP or PW, as the mrp-policy to restrict the egress transmission any type of
frames that contain a local ISID. An example of this new configuration option is described below:
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A;ALA-7>config>filter# info
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mac-filter 90 create
description "filter-wan-man"
type isid
scope template
entry 1 create
description "drop-local-isids"
match
7750 SR OS Services Guide
mrp-policy "test" create
default-action block
entry 1 create
match
isid 100 to 150
exit
action allow
exit
exit
Virtual Private LAN Services
Page 783