Operation Manual - Auto Detecting
Quidway S3500 Series Ethernet Switches Chapter 2 Implementations of Auto Detect
Huawei Technologies Proprietary
2-3
# Specify to detect the reachability to the interface with IP address of 10.1.1.4 with
192.168.1.2 as the next hop, and set the operation number to 1.
[Quidway A-detect-group-8] detect-list 1 ip address 10.1.1.4 nexthop
192.168.1.2
# Specifies to enable the static route between the interfaces with an IP address of
192.168.1.2 on Switch A and with an IP address of 10.1.1.4 on Switch C only when the
result of the detecting group is reachable.
[Quidway A] ip route-static 10.1.1.4 24 192.168.1.2 detect-group 8
2.3 Implementations in VRRP
You can control priorities of VRRP backup groups according to auto detect results to
enable automatic switch between the primary switch and the secondary switch as
follows:
z Decrease the preference values of backup groups when the result of the detecting
group is unreachable.
z Resume the preference values of backup groups when the result of the detecting
group is reachable.
2.3.1 Configuring Auto Detect for VRRP
 Note:
You need to create a detecting group and perform VRRP configurations before the
following operations.
Table 2-2 Configure auto detect for VRRP
Operation Command Remarks
Enter system view <Quidway> system-view –
Enter VLAN interface
view
[Quidway] interface vlan-interface
vlan_id
–
Enable auto detect for
VRRP
[Quidway-vlan-interfaceX] vrrp vrid
virtual-router-id track detect-group
group-number [ reduced
value-reduced ]
Required
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