3Com S7902E, Configuration Manual

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[Sysname] interface ten-gigabitethernet 1/3/0/25
[Sysname-Ten-GigabitEthernet1/3/0/25] shutdown
[Sysname-Ten-GigabitEthernet1/3/0/25] quit
[Sysname] irf-port 1/2
[Sysname-irf-port 1/2] port group interface ten-gigabitethernet 1/3/0/25
[Sysname-irf-port 1/2] quit
[Sysname] interface ten-gigabitethernet 1/3/0/25
[Sysname-Ten-GigabitEthernet1/3/0/25] undo shutdown
[Sysname-Ten-GigabitEthernet1/3/0/25] save
# Configure Device B.
<Sysname> system-view
[Sysname] chassis convert mode irf
This command will convert the device to IRF mode and the device will reboot. Are you sure?
[Y/N]: y
The device reboots automatically to switch its operating mode. After logging in to the device again,
change the member ID of the device to 2.
<Sysname> system-view
[Sysname] irf member 1 renumber 2
Warning: Renumbering the switch number may result in configuration change or loss. Continue?
[Y/N]:y
[Sysname] quit
<Sysname> reboot
The device reboots automatically to make the configuration of member ID take effect. After logging in to
the device again, create IRF-port2/1 of the device, and bind it to the physical IRF port
Ten-GigabitEthernet 2/3/0/25, and then save the configurations.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 2/3/0/25
[Sysname-Ten-GigabitEthernet2/3/0/25] shutdown
[Sysname-Ten-GigabitEthernet2/3/0/25] quit
[Sysname] irf-port 2/1
[Sysname-irf-port 2/1] port group interface ten-gigabitethernet 2/3/0/25
[Sysname-irf-port 2/1] quit
[Sysname] interface ten-gigabitethernet 2/3/0/25
[Sysname-Ten-GigabitEthernet2/3/0/25] undo shutdown
[Sysname-Ten-GigabitEthernet2/3/0/25] save
2) Power off the two devices. Connect them as shown in Figure 1-8 with IRF cables. Power them on,
and the IRF is established.
3) Configure BFD MAD detection
# Create VLAN 3, and add port 1/3/0/1 on Device A (with the member ID of 1) and port 2/3/0/1 on Device
B (with the member ID of 2) to VLAN 3.
<Sysname> system-view
[Sysname] vlan 3
[Sysname-vlan3] port gigabitethernet 1/3/0/1 gigabitethernet 2/3/0/1
[Sysname-vlan3] quit
# Create VLAN-interface 3 and configure the MAD IP address for the interface.