LDP Hello Hold time

When the device does not receive a Hello message within this time, the LDP session with the peer can be terminated. The device includes the hold time in the Hello messages it sends out to its LDP peers. The LDP Hold time sent in Hello messages to adjacent LSRs can be configured globally for either Link or Targeted LDP sessions.

For an MPLS interface, how long it waits for its LDP peers to send a Hello message differs for a targeted LDP session and a link LDP session, as follows: