H3C Technologies H3C WX5500E Series Access Controllers - Manual (Page 200)

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Figure 58 Setting the state of each member port in a service loopback group
Each time a new port is assigned to the service loopback group, the system sets the state of all the
member ports all over again.
Configuration procedure
When you configure a service loopback group, follow these restrictions and guidelines:
• Make sure the ports you are assigning to a service loopback group meet the following
requirements:
Item Requirements
Link type Access.
Aggregation membership
The ports are not members of link aggregation groups or any other service
loopback group.
Support for services The ports support the service type of the service loopback group.
Feature compatibility
The following features are not configured on the ports:
• 802.1X
• Isolate-user-VLAN
• MAC authentication
• MSTP
• NDP
• Port security
• Uplink/downlink ports of a port isolation group
NOTE:
On service loopback group member ports, you can only configure port attributes
(including port rate and duplex mode), ACL, and QoS.