Руководство пользователя
1. Configuring WAN-4G
11
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Association of a 4G interface with Track can be configured on a Qtech 4G router to check the link service
status. When the status of the Track object changes to down, 4G link reset can be triggered to initiate a
dial-up connection. After successful dialing, if the Track status is not up and remains to be down, the
corresponding 4G interface is still unavailable in this situation. In this case, this timer needs to be started
to perform check. If it is within the time of set "seconds * max-times", the time is 60s * 3 = 180s (the
default configuration is used as an example), the corresponding Track status is still down, and the 4G link
is reset again to initiate a dial-up connection, thus ensuring link recovery.
Example: Configure a single 4G card to associate with Track.
Qtech# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Qtech(config)# ip rns 1
Qtech(config-ip-rns)# icmp-echo 10.1.1.1
Qtech(config-ip-rns)# frequency 1000
Qtech(config-ip-rns)# timeout 1000
Qtech(config)# track 2 rns 1
Qtech(config-track)# delay up 30
Qtech(config-track)# exit
Qtech(config)# interface cellular 0/0
Qtech(config-if-cellular 0/0)# profile creat master apn
3gnet
username
abc
password
0
333
track
10
Qtech(config-if-cellular 0/0)# backup-valid-check valid-timer 30 max-check-times 3
Qtech(config-if-cellular 0/0)# show run interface cellular 0/0
Building configuration...
Current configuration : 141 bytes
!
interface cellular 0/0
backup-valid-check valid-timer 30 max-check-times 3
profile creat master apn
3gnet
username
abc
password
0
333
track
10
1.2.2.3
Configuring a Single 4G Interface to Associate with BFD
Command
Description
Qtech# configure terminal
Enters the global configuration mode.
Qtech(config)# interface cellular 0/0
Enters the interface configuration mode.
Qtech(config-if- cellular 0/0)# profile creat {master | slave}
[apn 3gnet ] username abc password {0 | 7} 333 bfd
Configures the 4G interface status to associate with
BFD.
Qtech(config-if-
cellular0/0)#backup-valid-check
valid-
timer 30 max-check-times 3
Configures the time and count of querying the availability
query timer (60 seconds and 3 times by default).
Association of a 4G interface with BFD can be configured on a Qtech 4G router to check the link service
status. When the status of the BFD object changes to down, 4G link reset can be triggered to initiate a
dial-up connection. After successful dialing, if the BFD status is not up and remains to be down, the
corresponding 4G interface is still unavailable in this situation. In this case, this timer needs to be started
to perform check. If it is within the time of set "seconds * max-times", the time is 60s * 3 = 180s (the
default configuration is used as an example), the corresponding Track status is still down, and the 4G link
is reset again to initiate a dial-up connection, thus ensuring link recovery.
Example: Configure a single 4G card to associate with BFD.
Qtech# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Qtech(config)# interface cellular 0/0
Qtech(config-if-cellular 0/0)# plmn status bfd
Qtech(config-if-cellular 0/0)# backup-valid-check valid-timer 30 max-check-times 3
Qtech(config-if-cellular 0/0)# show run interface cellular 0/0
Building configuration...
Current configuration : 141 bytes
!
interface cellular 0/0
backup-valid-check valid-timer 30 max-check-times 3
profile creat master apn 3gnet username abc password 0 333 bfd
Summary of Contents for QSR-2830
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