Hi, iBGP may not be supported as PE-CE protocol. Please see below doc. You may try to "configure neighbor ip-address internal-vpn-client" http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/15-s/irg-15-s-book/irg-l3vpn-ibgp-p...

Yes, that is require to check if neighbor is capable and interested in forming targeted LDP session before initiating TCP session

Hi Rajmohan, I don't think that for LSR to initiate targeted LDP session it is required to have tunnel configured on tail end but for targeted LDP to come up, tail end router also needs to send targeted LDP discovery packet and for that either you n...