ESR series service routers.ESR-Series. User manual
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Step Description Command Keys
40 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, 
see 22.2.13). Takes values in 
the range of [4..86400].
<PACKETS> – number of 
packets remaining before the 
connection release (set by the 
lifetimepackets command). 
Takes values in the range of 
[4..86400].
<KB> – traffic volume in 
kilobytes remaining before the 
connection release (set by the 
lifetimekilobytes command). 
Takes values in the range of 
[4..86400].
Default value:
Keys re-approval before 
the expire of time – 540 
seconds before.
Keys re-approval before 
the expire of traffic 
volume and amount of 
packets – disabled.
41 Set the level of margin seconds, margin 
packets, margin kilobytes values 
random spread (optional).
esr(config-ipsec-vpn)# ike rekey 
randomization <VALUE>
<VALUE> – maximum ratio of 
values spread, takes values of 
[1..100].
Default value: 100%
42 Specify the description for IPsec-VPN 
(optional).
esr(config-ipsec-vpn)# description 
<DESCRIPTION>
<DESCRIPTION> – profile 
description, set by the string of 
up to 255 characters.
43 Enable IPsec VPN. esr(config-ipsec-vpn)# enable