| Description | The (conceptual) table listing group ranges and MSDP peers
used when deciding where to send an SA Request message when
required. If SA Requests are not enabled, this table may be
empty.
In order to choose a peer to whom to send an SA Request for
a given group G, the subset of entries in this table whose
(cMsdpRequestsPeerType, cMsdpRequestsPeer) tuple represents a
peer whose cMsdpPeerState is established are examined. The
set is further reduced by examining only those entries for
which cMsdpPeerRequestsGroupAddressType equals the address
type of G, and the entries with the highest value of
cMsdpRequestsGroupPrefix are considered, where the group G
falls within the range described by the combination of
cMsdpRequestsGroup and cMsdpRequestsGroupPrefix. (This
sequence is commonly known as a 'longest-match' lookup.)
Finally, if multiple entries remain, the entry with the
lowest value of cMsdpRequestsPriority is chosen. The SA
Request message is sent to the peer described by this row. |