The value of vRtrLdpPeerFec129CiscoInterop specifies whether LDP will
provide translation between non-compliant FEC 129 formats of Cisco.
Peer LDP sessions must be manually configured towards the
non-compliant Cisco PEs.
When the value of vRtrLdpPeerFec129CiscoInterop is 'true', Cisco
non-compliant format will be used to send and interpret received Label
Release messages i.e. the FEC129 SAII and TAII fields will be reversed.
When the value of vRtrLdpPeerFec129CiscoInterop is 'false', Cisco
non-compliant format will not be used or supported.