nexthop_ip_address must be expressed in IPv4/IPv6 notation.
in_mpls_label_value is the MPLS label that will identify inbound traffic destined for the configured DHCP service and must be an integer from 16 through 1048575.
Caution: For DHCP over MPLS feature to work in StarOS 9.0 onward
dhcp ip vrf command must be configured in DHCP service. Without
dhcp ip vrf command the DHCP service using MPLS labels will not be started and as a part of DHCP over MPLS configuration in StarOS 9.0 onward this keyword is a critical parameter for the DHCP-Service. Any change in its value will result in DHCP-service restart and clearing of the existing calls.
This keyword adds the MPLS label to the outbound traffic sent from the configured DHCP service bind address ip_address. The labels
out_mpls_label_value1 and
out_mpls_label_value2 identify the MPLS labels to be added to packets sent from the specified dhcp service bind address.
out_mpls_label_value1 is the inner output label and must be an integer from 16 through 1048575.
out_mpls_label_value2 is the outer output label and must be an integer from 16 through 1048575.
For DHCP over MPLS feature to work in StarOS 9.0 onward dhcp ip vrf command must be configured in DHCP service. Without
dhcp ip vrf command the DHCP service using MPLS labels will not be started.
Caution: As a part of DHCP over MPLS configuration
mpls-label input keyword in
bind address command is also a critical parameter for the DHCP-Service. Any change in its value will result in DHCP-service restart and clearing of the existing calls.
max_time is measured in minutes and can be configured to any integer value from 1 to 65535.
Important: If all DHCP servers are down, the system will immediately treat all DHCP servers as active, regardless of the deadtime that is specified.
Refer to the dhcp detect-dead-server and
max-retransmissions commands for additional information on the process the system uses to mark a server as down.
max_number could be configured to any integer value from 1 to 1000.
This command works in conjunction with the max-retransmissions parameter to set a limit to the number of communication failures that can occur with a configured DHCP server.
The max-retransmissions parameter limits the number of attempts to communicate with a server. Once that limit is reached, the system treats it as a single failure. This parameter limits the number of consecutive failures that can occur before the system marks the server as down and communicate with the server of next highest priority.
vrf_name is name of a pre-configured virtual routing and forwarding (VRF) context configured in context configuration mode and associated with the IP Pool used by the DHCP service.
Caution: As a part of this configuration
mpls-label input keyword in
bind address command is also a critical parameter for the DHCP-Service. Any change in its value will result in DHCP-service restart and clearing of the existing calls.
priority can be configured to any integer value from 1 to 1000. 1 is the highest priority.
min_time is measured in seconds and can be configured to any integer value from 600 to 3600.
max_time is measured in seconds and can be configured to any integer value from 10800 to 4294967295.
max_number can be configured to any integer value from 1 to 20.
This command works in conjunction with the dhcp detect-dead-server parameter to set a limit to the number of communication failures that can occur with a configured DHCP server.
When the value specified by this parameter is met, a failure is logged. The dhcp detect-dead-server parameter specifies the number of consecutive failures that could occur before the server is marked as down.
In addition, the retransmission-timeout command controls the amount of time between re-tries.
time is measured in milliseconds and can be configured to any integer value from 100 to 20000.
This command works in conjunction with the max-retransmissions command to establish a limit on the number of times that communication with a DHCP server is attempted before a failure is logged.