Command Reference Guide

3Com Router 5000 Family and Router 6000 Family oam frequency ● 239
Command Reference
oam frequency
Purpose Use the oam frequency command to enable the transmission of OAM F5
Loopback cell so as to check the PVC status. You can also enable OAM F5 Loopback
retransmission check or modify the related parameters of the retransmission check.
Use the undo oam frequency command to disable the transmission and
retransmission check of the cell.
Syntax oam frequency frequency [ up up-count down down-count retry-frequency
retry-frequency ]
undo oam frequency
Parameters frequency
Time interval to send operations, administration, and
maintenance (OAM) F5 Loopback cells in seconds, and
the range of the value is 1 to 600.
up-count
The number of OAM F5 Loopback cells continuously
and correctly received before PVC status changes to
UP. The range of the number is 1 to 600.
down-count
The number of OAM F5 Loopback cells continuously
and correctly not received before PVC status changes
to DOWN. The range of the number is 1 to 600.
retry-frequency
Before PVC status changes, the sending interval of
OAM F5 Loopback cell in retransmission check, in
second. The range of the value is 1 to 1000.
Default By default, OAM F5 Loopback cell transmission is disabled, but if OAM F5 Loopback
cell is received, it should be responded. By default,
up-count is 3, down-count is 5
and
retry-frequency is 1 second.
Example Display how to enable OAM F5 Loopback check at PVC 1/32, with the period of 12
seconds. And set the retransmission check up-count as 4, down-count as 4 and
retransmission period as 1 second.
[3Com-atm-pvc-Atm1/0/0-1/32] oam frequency 12 up 4 down 4
retry-frequency 1
View This command can be used in the following views:
■ PVC view
■ ATM Class view