active-leasequery (DHCP Local Server)
Syntax
active-leasequery { topology-discovery; peer-address { address; } timeout timeout; idle-timeout idle-timeout; exclude-interface interface-name; }
Hierarchy Level
[edit system services dhcp-local-server]
[edit system services dhcp-local-server dhcpv6]
Description
Subscriber redundancy on DHCP server focuses on subscriber synchronization between the peer servers using active leasequery. If you configure active leasequery for the DHCP server, the peer servers establishes TCP connection and sends active leasequery.
Options
idle-timeout idle-timeout |
Configure the idle time out value in seconds for the connection between the peer servers.
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|
peer-address address |
Configure IPv4 or IPv6 address of the peer DHCP servers. You can configure maximum five IP addresses. |
|
timeout timeout |
Configure the TCP read/write block timeout value to terminate and restart the TCP connection.
|
|
topology-discovery |
Enable the topology discovery option. |
|
exclude-interface interface-name |
(Optional) Exclude interface participating in active leasequery. |
Note: Use the
exclude-interface
interface-name option
to configure chassis based DHCP redundancy feature for
MX480 access models. This feature provides the additional
functionality of 1:1 chassis based active lease query,
bulk lease query (ALQ/BLQ) redundancy for
non-participating underlying subscriber interfaces without
the need to configure
topology-discovery. |
Required Privilege Level
admin—To view this statement in the configuration.
admin-control—To add this statement to the configuration.
Release Information
Statement introduced in Junos OS Release 21.4R1.