3com S7906E 설치 설명서
2-2
To do…
Use the command…
Remarks
Enter VLAN interface view
interface vlan-interface
vlan-interface-id
vlan-interface-id
Required
If the specified VLAN interface
does not exist, this command
creates the VLAN interface
first.
does not exist, this command
creates the VLAN interface
first.
Configure the IP address of the
VLAN interface
VLAN interface
ip address ip-address { mask |
mask-length } [ sub ]
mask-length } [ sub ]
Required
By default, the IP address of a
VLAN interface is not
configured.
VLAN interface is not
configured.
Enable local proxy ARP
local-proxy-arp enable
Required
Disabled by default
z
The VLAN interface IP address in the above table is the IP address of the associated super VLAN.
z
For more information about the local-proxy-arp enable command and the local proxy ARP function,
refer to ARP Commands and ARP Configuration in the IP Services Volume.
z
You cannot configure a super VLAN as the guest VLAN for a port, and vice versa. For more
information about guest VLAN, refer to 802.1X Configuration in the Security Volume.
z
You can configure Layer 2 multicast for a super VLAN. However, the configuration cannot take
effect.
z
You can configure DHCP, Layer 3 multicast, dynamic routing, and NAT for the VLAN interface of a
super VLAN. However, only DHCP can take effect.
z
Configuring VRRP for the VLAN interface of a super VLAN affects network performance. Therefore,
you are recommended not to configure this function in normal cases.
Displaying and Maintaining Super VLAN
To do…
Use the command…
Remarks
Display the mapping between a
super VLAN and its sub-VLAN(s)
super VLAN and its sub-VLAN(s)
display supervlan [ supervlan-id ]
Available in any view
Super VLAN Configuration Example
Network requirements
z
Create super VLAN 10, and configure its VLAN interface IP address as 10.0.0.1/24.
z
Create the sub-VLANs VLAN 2, VLAN 3, and VLAN 5.
z
Assign GigabitEthernet 2/0/1 and GigabitEthernet 2/0/2 to VLAN 2, GigabitEthernet 2/0/3 and
GigabitEthernet 2/0/4 to VLAN 3, and GigabitEthernet 2/0/5 and GigabitEthernet 2/0/6 to VLAN 5.
z
The sub-VLANs are isolated at Layer 2 but connected at Layer 3.