The value of tmnxMsdpPeerGroupAdminState specifies the desired
administrative state for a MSDP peer group. When
tmnxMsdpPeerGroupAdminState is 'outOfService' the
operational state of the MSDP peer group as well as the operational
state of other entities under it, like other peers is also disabled.
By default, the state of a MSDP peer group is 'inService'.