H3C s3600 series Command Manual page 91

Examples
# Assign the primary IP address 129.12.0.1 and secondary IP address 129.12.1.1 to VLAN-interface 1
with subnet mask 255.255.255.0.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Vlan-interface 1
[Sysname-Vlan-interface1] ip address 129.12.0.1 255.255.255.0
[Sysname-Vlan-interface1] ip address 129.12.1.1 255.255.255.0 sub
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