Oh yea, and keep the
interface gi2/1
switchport access vlan 2
just don't assign an ip address to it. This interface should be the interface connecting to the ISP directly.
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Question
How to connect internet link to Catalyst 4506?
I have an external address and a range of internal addresses from my ISP. I need to connect it to my catalyst 4506 to VLAN2, the internet vlan. My catalyst 4506 will act as the router.
My internal VLAN is 100.
How do I configure the switch to connect my ISP external and internal addresses.
ie, For the external address, do I set up an interface with the IP given?
ex. interface gi2/1
switchport access vlan 2
ip address (isp external address)
What about the internal addresses?
Don't know what other info you need but let me know and I will try to provide. Thanks.
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Answers
Ok I understand now.
Well we won't be needing that NAT config...
Make sure you have
interface vlan 100
ip address 65.x.x.x x.x.x.x
ip route 0.0.0.0 0.0.0.0 interface vlan 2
then you will just assign the ports that the servers are connected to to VLAN 100
for example:
interface fa 0/10
switchport access vlan 100
spann portfast <---- optional but should be used.
no sh
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by: lpse2000Posted on 2006-09-28 at 10:04:36ID: 17620972
You'll want to get into VLAN 2 and the ISP external address to it and make it the NAT outside port.
interface vlan 2
ip address x.x.x.x x.x.x.x
ip nat outside
And the VLAN100 ip and NAT inside.
interface vlan 100
ip address x.x.x.x x.x.x.x (this will be the default gateway for the hosts on VLAN100)
ip nat inside
Next continue with the NAT configuration.
ip access-list INSIDENAT permit (internal network address and subnet mask)
ip nat inside source list INSIDENAT interface VLAN 2 overload
And that should do it.