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int f0/0.30
encapsulation dot1Q 30
ip address 192.168.30.1 255.255.255.0
ip nat inside
exit
NOTE: at this point it should be possible to set a laptop IP address for one of the VLAN
network addresses and ping the gateway and get internet connectivity.
e.g. For VLAN10: laptop set to: 192.168.10.2 255.255.255.0 gateway: 192.168.10.1 DNS
address: 8.8.8.8 (google).
DHCP servers can be setup on the router to supply IP addresses from address pools for
each VLAN network. Any DHCP enabled device attached to the remote modem network
will then get an address, gateway and DNS address.
DHCP configuration for remote laptops:
conf term
ip dhcp pool ParadiseRouter_VLAN10_POOL
network 192.168.10.0 255.255.255.0
default-router 192.168.10.1
dns-server 8.8.8.8
ip dhcp pool ParadiseRouter_VLAN20_POOL
network 192.168.20.0 255.255.255.0
default-router 192.168.20.1
dns-server 8.8.8.8
ip dhcp pool ParadiseRouter_VLAN30_POOL
network 192.168.30.0 255.255.255.0
dns-server 8.8.8.8
default-router 192.168.30.1
ip dhcp excluded-address 192.168.10.1 192.168.10.6
ip dhcp excluded-address 192.168.20.1 192.168.20.7
ip dhcp excluded-address 192.168.30.1 192.168.30.8
exit
int f0/0.10
ip helper-address 192.168.10.1
exit
int f0/0.20
ip helper-address 192.168.20.1
exit
int f0/0.30
ip helper-address 192.168.30.1
end
DHCP should give out the following addresses if one DHCP enabled laptop is connected
to each remote QFlex-400™ modem:
VLAN10 Laptop - First address: 192.168.10.7
VLAN20 Laptop - First address: 192.168.20.8
VLAN30 Laptop - First address: 192.168.30.9
All laptops can ping each other due to inter-VLAN routing. This may not be desirable but
can be managed via access control lists (ACLs).
QMultiFlex-400™ Installation and Operating Handbook
8-63
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