ESR series service routers.ESR-Series. User manual
Step Description Command Keys
3 In the LDP address family configuration 
mode, set Hello interval on the specified 
interface.
esr(config-ldp-af-ipv4-if)# 
discovery hello interval <TIME>
<TIME>— time in the range of 
[3..65535] seconds.
Default value: 5.
12.2.3  Algorithm for setting Keepalive holdtime parameter in the global LDP configuration
Step Description Command Keys
1 Configure the LDP (see section LDP configuration).
2 In the LDP configuration mode, set the 
Keepalive parameter.
esr(config-ldp)# keepalive <TIME> <TIME>— time in the range of 
[3..65535] seconds.
Default value: 180.
12.2.4  Algorithm for setting Keepalive holdtime parameter for the specific neighbor
Step Description Command Keys
1 Configure the LDP (see section LDP configuration).
2 In the neighbor configuration mode, set 
the Keepalive holdtime parameter.
esr(config-ldp-neig)# keepalive 
<TIME>
<TIME>— time in the range of 
[3..65535] seconds.
Default value: 180.
12.2.5  Configuration example
Objective:
Override Hello holdtime (40 seconds) and Hello interval (10 seconds) parameters for the entire LDP process. 
For the neighbor with address 1.1.1.1 set the Keepalive holdtime to 150 seconds.