QoS and DLSw+ 531
·
TCP port 1981--Defaults to medium priority. In the absence of any other configuration,
this port does not carry any traffic.
·
TCP port 1982--Defaults to normal priority. In the absence of any other configuration,
this port carries information frames.
·
TCP port 1983--Defaults to low priority. In the absence of any other configuration, this
port carries broadcast traffic.
Figure 14-17
Prioritizing Traffic
NOTE
If you specify priority on the remote-peer statement and do nothing else, all steady traffic goes
in TCP port 1982 by default. Circuit establishment and capabilities exchange are still done over
port 2065.
TCP port
2065
Capabilities exchange
circuit establisment
keepalives
Priority queue
High
Medium
Normal
Low
TCP port 1981
TCP port 1982
TCP port 1983
Not all four session have to be used
87200333.book Page 531 Wednesday, August 22, 2001 1:41 PM