VT2142 Voice Gateway User Guide
26
Overview
Installation
Troubleshooting
Contact
FAQ
Glossary
License
Configuration:
Basic Advanced TCP/IP
Normal Service
Packets matching the rule are treated as normal packets requiring no special treatment along
the path. Normal packets have TOS byte 0 in the IP Header.
TOS Marking
Enables you to assign a TOS value to this traffic — No Change, Normal Service, Minimize
monetary cost, Maximize reliability, Maximize throughput, or Minimize delay. The priority bits
in the TOS byte are set to zero upon marking and derived based on priority queues. The
priority bit value for each priority queue is:
•
Voice (EF1): 5
•
High (EF2): 4
•
Medium: 3
•
Low: 1
IP QoS Traffic Rule fields (continued)
Field
Description