Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 2197)

Appendix B: Glossary
Software Reference for x310 Series Switches
C613-50046-01 REV A AlliedWare Plus TM Operating System - Version 5.4.4C B.7
C-MAC
Customer MAC Address.
Collision domain
A physical region of a local area network (LAN) in which data collisions can occur.
Continuous reboot prevention
The continuous reboot prevention feature allows the user to configure a switch to stop
rebooting if the device gets into a cycle of continuous rebooting. The user can configure
the time period, the maximum number of times the switch can reboot within the specified
time period, referred to as the threshold, and the action to take if the threshold is
exceeded.
For more information see “Continuous Reboot Prevention” on page 1.35 .
Control VLAN
In EPSR , the VLAN over which all control messages are sent and received. EPSR never
blocks this VLAN.
For more information see “Ring Components and Operation” on page 57.2 .
CoS
Class of Service. CoS is a method for classifying traffic on a packet by packet basis using
information in the type-of-service (ToS) byte to provide different service levels to different
traffic. See
QoS .
For more information see “CoS to egress queue premarking” on page 38.12 .
Cost
An indication of the overhead required to send packets across a certain interface.
C-TAG
Customer VLAN TAG.
C-VID
Customer VLAN ID.
C-VLAN
Customer VLAN.
D
Data VLAN
In EPSR , a VLAN that needs to be protected from loops. Each EPSR domain has one or
more data VLANs.
For more information see “Ring Components and Operation” on page 57.2 .