Operation Manual - Port
Quidway S3500 Series Ethernet Switches Chapter 1 Ethernet Port Configuration
Huawei Technologies Proprietary
1-9
Therefore, the packets that have had a VLAN Tag get two Tags, and the packets that
have not had a VLAN Tag get one.
Perform the following configuration in Ethernet port view.
Table 1-12 Set the VLAN VPN feature
Operation Command
Enable the VLAN VPN feature
vlan-vpn enable
Disable the VLAN VPN feature
undo vlan-vpn
By default, the port VLAN VPN is disabled.
Note that if anyone of GVRP, GMRP, STP, 802.1x, NTDP and NDP has been enabled
on a port, VLAN VPN cannot be enabled on it.
S3552G/S3552P/S3528G/S3528P/S3552F Ethernet Switches support this
configuration in S3500 series switches.
1.2.13 Set loopback detection for the Ethernet port
The following commands are used for enabling the port loopback detection and setting
detection interval for the external loopback condition of each port. If there is a loopback
port found, the switch will put it under control.
Perform the following configuration in corresponding view.
Table 1-13 Set loopback detection for the Ethernet port
Operation Command
Enable loopback detection on the port
(System view/Ethernet port view)
loopback-detection enable
Disable loopback detection on the port
(System view/Ethernet port view)
undo loopback-detection enable
Enable the loopback controlled function
of the trunk and hybrid ports (System
view/Ethernet port view)
loopback-detection control enable
Disable the loopback controlled function
of the trunk and hybrid ports (System
view/Ethernet port view)
undo loopback-detection control
enable
Set the external loopback detection
interval of the port (System view)
loopback-detection interval-time time
Restore the default external loopback
detection interval of the port (System
view)
undo loopback-detection
interval-time
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