ESR series service routers.ESR-Series. User manual
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Step Description Command Keys
43 Set VPN activation mode. esr(config-ipsec-vpn)#ike 
establish-tunnel <MODE>
<MODE> – VPN activation mode:
by-request – connection 
is activated by the 
opposite side, available for 
the server;
route – the connection is 
activated when traffic 
routed to the tunnel 
appears; it is available for 
the server;
immediate – tunnel is 
enabled automatically 
after applying the 
configuration, it is 
available for the client;
44 Bind IKE gateway to VPN. esr(config-ipsec-vpn)# ike 
gateway <NAME>
<NAME> – IKE gateway name, 
set by the string of up to 31 
characters.
45 Set the time interval value in seconds 
after which the connection is closed, if 
no packet has been received or sent 
via SA (optional).
esr(config-ipsec-vpn)# ike idle-
time <TIME>
<TIME> – interval in seconds, 
takes values of [4..86400].
Default value: 0
46 Disable key re-approval before the IKE 
connection is lost due to the timeout, 
the number of transmitted packets or 
bytes (optional).
esr(config-ipsec-vpn)# ike rekey 
disable
Default value: disabled.
47 Configure the start of IKE connection 
keys re-approval before the expiration 
of the lifetime (optional).
esr(config-ipsec-vpn)# ike rekey 
margin { seconds <SEC> | 
packets <PACKETS> | kilobytes 
<KB> }
<SEC> – time interval in seconds 
remaining before the connection 
release (set by the 
lifetimeseconds command). 
Takes values in the range of 
[4..86400].
Default value: 540
<PACKETS> – number of packets 
remaining before the connection 
release (set by the 
lifetimepackets command). 
Takes values in the range of 
[4..86400].
Default value: disabled.
<KB> – traffic volume in kilobytes 
remaining before the connection 
release (set by the 
lifetimekilobytes command). May 
take values [4..86400]
Default value: disabled.