On Router 4, issue the show link-management commands to verify if the control channel, TE links, and LMP negotiations are being reciprocated by Router 1.
user@router4> show link-management peer
Peer name: router1, System identifier: 56483
State: Up, Control address: 10.255.71.242
CC local ID CC remote ID State TxSeqNum RcvSeqNum Flags
38882 22515 Up 1451 1450
TE links:
sonet
user@router4> show link-management statistics
Statistics for peer router1
Received packets
Config: 1
Hello: 255
LinkSummary: 1
LinkSummaryAck: 1
Small packets: 0
Wrong protocol version: 0
Messages for unknown peer: 0
Messages for bad state: 0
Stale acknowledgements: 0
Stale negative acknowledgements: 0
Sent packets
Config: 31
ConfigAck: 1
Hello: 255
LinkSummary: 13
LinkSummaryAck: 1
Retransmitted packets
Config: 23
LinkSummary: 9
Dropped packets
Config: 7
LinkSummary: 3
user@router4> show link-management te-link
TE link name: sonet, State: Up
Local identifier: 8070, Remote identifier: 8070, Local address: 10.35.1.2,
Remote address: 10.35.1.1, Encoding: SDH/SONET, Switching: PSC-1,
Minimum bandwidth: 622.08Mbps, Maximum bandwidth: 622.08Mbps,
Total bandwidth: 622.08Mbps, Available bandwidth: 622.08Mbps
Name State Local ID Remote ID Bandwidth Used LSP-name
so-3/0/2 Up 21303 22279 622.08Mbps No