ESR series service routers.ESR-Series. User manual
Step Description Command Keys
19 Exit global BGP process route 
information advertisement 
configuration mode.
esr(config-bgp-af)# exit
20 Add BGP neighbor and switch to the 
BGP process parameters configuration 
mode.
esr(config-bgp)# neighbor 
<ADDR>|<IPV6-ADDR>
<ADDR> – neighbor’s IP 
address, defined as 
AAA.BBB.CCC.DDD where each 
part takes values of [0..255];
<IPV6-ADDR> – client IPv6 
address, defined as X:X:X:X::X 
where each part takes values in 
hexadecimal format [0..FFFF].
21 Specify neighbor description (optional). esr(config-bgp-neighbor)# 
description <DESCRIPTION>
<DESCRIPTION> – neighbor 
description, set by the string of 
up to 255 characters.
22 Set the time interval after which the 
connection with the opposing party is 
checked (optional).
esr(config-bgp-neighbor)# timers 
keepalive <TIME>
<TIME> – time in seconds, 
takes values of [1..65535].
Default value: 60 seconds.
23 Set time interval after which the 
opposing party is considered to be 
unavailable (optional).
esr(config-bgp- neighbor)# timers 
holdtime <TIME>
<TIME> – time in seconds, 
takes values of [1..65535].
Default value: 180 seconds.
24 Set the time of minimum and maximum 
delay during which it is prohibited to 
establish a connection in order to 
prevent frequent disconnections 
(optional).
esr(config-bgp-af)# timers error-
wait <TIME1> <TIME2>
<TIME1> – minimum delay 
time in seconds, takes values 
of [1..65535].
<TIME2> – maximum delay 
time in seconds, takes values 
of [1..65535].
Default value: 60 and 300 
seconds
25 Set the number of BGP neighbor stand 
alone system.
esr(config-bgp-neighbor)# remote-
as <AS>
<AS> – stand alone system 
number, takes values of 
[1..4294967295].
26 Allow connections to neighbors that are 
located not in directly connected 
subnets (optional).
esr(config-bgp-neighbor)# ebgp-
multihop <NUM>
<NUM> – maximum amount of 
hops when installing EBGP 
(used for TTL).
27 Specify BGP neighbor as a Route-
Reflector client (optional).
esr(config-bgp-neighbor)# route-
reflector-client