Re: help IP pass through

On May 30, 2:42 pm, deano <deangr...@xxxxxxxxxxx> wrote:
first Thanks for the responce

I am using a 2811 and several netgear switches(not my first choice)
I curently have several Vlans established which are being NATed
using the first IP block example would be vlan 1. I would like to
use the second block for vlan 204 but have the second public ip
address map directly through to vlan204 devices.

!
interface FastEthernet0/0
description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-FE 0/0$
no ip address
duplex full
speed 100
!
interface FastEthernet0/0.1
description Management VLAN
encapsulation dot1Q 1 native
ip address 10.51.254.254 255.255.255.0
ip nat inside
ip virtual-reassembly
no snmp trap link-status
no cdp enable
!
!
interface FastEthernet0/0.204
description IP SPACE
encapsulation dot1Q 204
ip address x.x.x.254 255.255.255.0
ip virtual-reassembly
no snmp trap link-status
no cdp enable
!
ip nat pool slsdc x.y.204.65 x.y.204.191 prefix-length 24
!
access-list 7 permit 10.51.0.0 0.0.255.255

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You could bridge the outside into the inside, but then I'm not sure
NAT would work then. If I understand correctly, you want to NAT to
VLAN 1 and then you want other public addresses to be given to VLAN
204. Why not just move vlan 204 to the outside of the router and
config the router to NAT some vlan 204 public IPs to your internal
vlan 1? Not the most secure option since there is no DMZ, but doesn't
sound like you have one today.
.

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