Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
2 Ethernet
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
121
Function
Default value
Loop detection status
Disable
Automatic recovery time for the blocked
interface
Infinite, namely, no automatic recovery
Mode for processing detected loops
trap-only
Loop detection period
4s
Loop detection mode
VLAN
2.9.4 Configuring loop detection
Loop detection and STP are exclusive, so only one can be enabled at a time.
Loop detection cannot be concurrently enabled on both two directly-connected
devices.
Configure loop detection based on inVLAN for the ISCOM2600G-HI series switch as
below.
Step
Command
Description
1
Raisecom#config
Enter global configuration mode.
2
Raisecom(config)#interface
interface-type interface-number
Enter interface configuration mode.
The device also supports batch
interface configuration mode.
3
Raisecom(config-
gigaethernet1/1/port)#loopback-
detection
[
pkt-vlan
{
untag
|
vlan-
id
} ] [
hello-time
second
] [
restore-
time
second
]
[
action
{
block
|
trap-
only
|
shutdown
|
shutdown-restore }
]
[
log-interval
log-interval time
]
Raisecom(config-
gigaethernet1/1/port)#loopback-
detection detect-vlanlist
vlanlist
[ hello-time
second
] [ restore-
time
second
] [ action { block |
trap-only | shutdown | shutdown-
restore } ] [ log-interval
log-
interval time
]
Enable loop detection on the
interface.
Configure the VLAN for sending
loop detection packets.
(Optional) configure the period for
sending Hello packets.
(Optional) configure the time for
automatically restoring the blocked
interface due to loop detection and
the action for processing loops.
4
Raisecom(config-
gigaethernet1/1/port)#loopback-
detection manual restore
Manually restore the interface
blocked due to loop detection.