The link command in the /etc/llttab file

Last published : Sep 11, 2026

Review the link command information in this section for the /etc/llttab file. See the following information for sample configurations: Table: Field description for link command in /etc/llttab describes the fields of the link command that are shown in the /etc/llttab file examples. Note that some of the fields differ from the command for standard LLT links.

Table: Field description for link command in /etc/llttab

Field	Description
`tag-name`	A unique string that is used as a tag by LLT; for example link1, link2,....
`device`	The device path of the UDP protocol; for example /dev/xti/udp.
`node-range`	Nodes using the link. "-" indicates all cluster nodes are to be configured for this link.
`link-type`	Type of link; must be "udp" for LLT over UDP.
`udp-port`	Unique UDP port in the range of 49152-65535 for the link.
`MTU`	"-" is the default, which has a value of 8192. The value may be increased or decreased depending on the configuration. Use the `lltstat -l` command to display the current value.
`IP address`	IP address of the link on the local node.
`bcast-address`	- For clusters with enabled broadcasts, specify the value of the subnet broadcast address.
	- "-" is the default for clusters spanning routers.