The Link State Routing Protocol specification

there are some captures of the protocol:
ipv4 capture
ipv6 capture

there are some text decodes of the protocol:
ipv4 decode
ipv6 decode

this is a clear text protocol.

update parameters:
-rtrid=<addr>
-toposum=<value>
-hostname=<text>
-software=<text>
-hardware=<text>
-middleware=<text>
-kernel=<text>
-segroubeg=<num>
-segroumax=<num>
-segrouidx=<num>
-bierbeg=<num>
-biermax=<num>
-bieridx=<num>
-bierlen=<num>
-sequence=<num>
-time=<num>
-uptime=<num>
-changenum=<num>
-changetim=<num>
-metric=<num>
-bandwidth=<num>
-affinity=<num>
-srlg=<num>
-segrouadj=<num>
-tag=<num>
-neighbor=<addr>
-network=<prefix>

there are these types of messages:
-open rtrid=<addr> name=<text>
-update <parameters>
-startEncrypt <proto>
-password-request <base64channenge>
-password-reply <base64response>
-error <text>
-warning <text>
-discard <text>
-echo <text>
-echoed <text>
-close
-resend
-keepalive <num>