Specifies how often an IS-IS interface sends hello messages to its IS-IS neighbors.
<interface xmlns="urn:brocade.com:mgmt:brocade-interface">
<ethernet>
<name>{req_val}</name>
<interface-eth-isis-conf xmlns="urn:brocade.com:mgmt:brocade-isis">
<intf-isis>
<interface-isis>
<interface-hello-interval>
<interface-hello-interval-level>{req_val}</interface-hello-interval-level>
</interface-hello-interval>
</interface-isis>
</intf-isis>
</interface-eth-isis-conf>
</ethernet>
</interface>