Basic System Configuration Guide System Management
Edition: 01 3HE 11010 AAAC TQZZA 333
identifier
Syntax [no] identifier id
Context config>system
Description This command configures a static system identifier for the 7705 SAR. The system identifier
can be used to uniquely identify the 7705 SAR in the network instead of the system IP
address, as a system IP address can change dynamically using DHCP when the 7705 SAR
is acting as a DHCP client and the DHCP server-facing interface is unnumbered. To prevent
management systems (for example, the NSP NFM-P) from rediscovering a node based on a
system IP address that has been changed via DHCP, and thus losing historical data
attributed to a specific system IP address, a static system identifier should be configured.
The system identifier takes the form of an IPv4 address. This address is not advertised in IGP
or BGP and is used solely as a node identifier.
The no form of the command deletes the system identifier.
Default no identifier
Parameters id — configures an IPv4 address to be used as the system identifier
Values any valid IPv4 address
l4-load-balancing
Syntax [no] l4-load-balancing
Context config>system
Description This command configures system-wide Layer 4 load balancing. The configuration at the
system level can enable or disable load balancing across all IP interfaces. When enabled,
Layer 4 source and destination port fields of incoming TCP/UDP packets are included in the
hashing calculation to randomly determine the distribution of packets.
Adding the Layer 4 source and destination port fields to the hashing algorithm generates a
higher degree of randomness and a more even distribution of packets across the available
ECMP paths or LAG ports.
Default no l4-load-balancing
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