Operation Manual – Smart Link-Monitor LinkH3C S3100-52P Ethernet Switch Chapter 2 Monitor Link Configuration2-1Chapter 2 Monitor Link ConfigurationWhen configuring Monitor Link, go to these sections for information you are interestedin:z Introduction to Monitor Linkz Configuring Monitor Linkz Displaying Monitor Link Configurationz Monitor Link Configuration Example2.1 Introduction to Monitor LinkMonitor Link is a collaboration scheme introduced to complement for Smart Link. It isused to monitor uplink and to perfect the backup function of Smart Link.A monitor Link consists of an uplink port and one or multiple downlink ports. When thelink for the uplink port of a Monitor Link group fails, all the downlink ports in the MonitorLink group are forced down. When the link for the uplink port recovers, all the downlinkports in the group are re-enabled.Switch AEth1/0/1Eth1/0/2Eth1/0/3UplinkDownlinkFigure 2-1 Network diagram for a Monitor Link group implementationAs shown in Figure 2-1, the Monitor Link group configured on the device Switch Aconsists of an uplink port (Ethernet 1/0/1) and two downlink ports (Ethernet 1/0/2 andEthernet 1/0/3). A member port can be an Ethernet port, static LACP aggregation group,manual link aggregation group, or Smart Link group. A Smart Link group can serve asthe uplink port only.