
ESR service routers. ESR-Series. Functionality description. Version 1.12.0
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Step
Description
Command
Keys
esr(config-ipv6-dhcp-
server)# dns-server
<IPV6-ADDR>
<IPV6-ADDR> – DNS server IPv6
address, defined as X:X:X:X::X where
each part takes values in hexadecimal
format [0..FFFF]. You can specify up
to 8 IP addresses separated by
commas.
10
Specify maximum IP addresses
lease time (optionally).
If DHCP client requests the lease
time that exceeds a maximum
value, the time specified by the
command will be set.
esr(config-dhcp-
server)# max-lease-
time <TIME>
<TIME> – maximal IP address lease
time, sets in format DD:HH:MM,
where:
DD – amount of days, takes
values of [0..364].
HH – amount of hours, takes
values of [0..23].
MM – amount of minutes,
takes the value of [0 ..59].
Default value: 1 day
esr(config-ipv6-dhcp-
server)# max-lease-
time <TIME>
11
Specify the lease time for which a
client will be given IP address
(optionally).
This time will be used if a client did
not request the certain lease time.
esr(config-dhcp-
server)# default-
lease-time <TIME>
<TIME> – maximal IP address lease
time, sets in format DD:HH:MM,
where:
DD – amount of days, takes
values of [0..364].
HH – amount of hours, takes
values of [0..23].
MM – amount of minutes,
takes the value of [0 ..59].
Default value: 12 hours.
esr(config-ipv6-dhcp-
server)# default-
lease-time <TIME>
12
Create supplier class identifier
(DHCP Option 60) (optionally).
esr(config)# ip dhcp-
server vendor-class-id
<NAME>
<NAME> – carrier class identifier, set
by the string of up to 31 characters.
esr(config)# ipv6
dhcp-server vendor-
class-id <NAME>
13
Specify specific supplier
information (DHCP Option 43).
esr(config-dhcp-
vendor-id)# vendor-
specific-options <HEX>
<HEX> – vendor-specific information,
specified in hexadecimal format up to
128 symbols.
esr(config-ipv6-dhcp-
vendor-id)# vendor-
specific-options <HEX>