SNR S2989G-24TX-UPS [153/553] Vlan 3 vlan 4

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VLAN 3

VLAN 4

S2989G-24TX Operation Manual Chapter 2 Layer 2 services

Configuration

Figure 2-31 typical of super vlan topology

Terminals of two VLANs needs to configure their addresses in the same network

segment due to requirement of LAN application. Layer-2 flows needs to be isolated, but

layer-3 flows can be forwarded normally between two terminals. Address range of VLAN3

from 1.1.1.1 to 1.1.1.10, address range of VLAN4 from 1.1.1.20 to 1.1.1.30, layer-3 flows

of terminals within two address ranges allows to be forwarded only. To implement this

requirement, it needs to configure supervlan on switch.

Configuration

items

Configuration Explanation

VLAN2

Supervlan

VLAN3

Port1 of switchA

VLAN4

Port2 of switchA

Configuration procedure:

Switch A:

switch(Config)#vlan 2-4

switch(Config)#vlan 2

switch(Config-Vlan2)#supervlan

switch(Config-Vlan2)#subvlan 3;4

switch(Config-Vlan2)#exit

switch(Config)#interface vlan 2

switch(config-if-vlan2)#ip address 1.1.1.254 255.255.255.0

switch(config-if-vlan2)#arp-proxy subvlan all

switch(config-if-vlan2)#ip-addr-range subvlan 3 1.1.1.1 to 1.1.1.10

switch(config-if-vlan2)#ip-addr-range subvlan 4 1.1.1.20 to 1.1.1.30