Current Network layout
.. . . ..... . ...... . .. . . . .|-eth2
Cable modem ---eth1[FWAstaro5]eth0---[5-port-HUB]---eth1[cisco2621]eth0
.......................................................................................................|-----[cisco2950]
................................................................................................................| | | | |
.................................................................................................................Local Lan Seg.
ASCI network diagram is the best I can do for now.
Eth1-fwastaro = dhcp from cable company gateway: dhcp
Eth0-fwastaro = 192.168.1.1 255.255.255.0 gateway:none
Eth2-fwastaro =192.168.1.x will be use this for dmz later.
Eth1-cisco2621 =192.168.1.111
Eth0-cisco2621 =172.16.x.x subinterfaces 0.1 - 0.9 routing on s stick.
Basically I have one static route to route everything that is not destined for 172.16.x .x to 192.168.1.1.
Goal:
I would like to masq or nat my local lan segment to the internet using the existing network layout.
Setup a dmz for those services that I might be providing to the internet with snat.
Misc. stuff:
Local lan segment has its default gateway set to eth0 on the cisco 2621 router.
Cablem modem is able to assign a dhcp address to eth1 on FWAstaro.
I can ping from cisco2621 to fwAstaro[eth0]-192.168.1.1
Currently with no rules or any filters setup I, cant ping from local lan segment to fwAstaro[eth0]
I can ping from FWAstaro to eth1 of cisco2621 and no further down to the local lan segment.
Can not ping from 2621 to the internet.
Can ping from FWAstaro to Internet.
I have a 802.1q trunk from cisco2950 to eth0 on 2621. It is also running ISL and vlans are configured for each network.
The different vlans are configured for each port on the 2950.
Questions:
1. Is it possible to use Masq to translate my local lan segment to eth0 on the cisco 2621(172,16.x.x) to the external interface of astaro eth1?
2. Is it possible to do Dnat with this network layout?
Thanks,
eth0
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