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[FW1] NT Server 4 Firewall-1 4 WEIRD Problem - HELP
I have an NT4 SP6 machine with Firewall-1 4 , attached to an SDSL modem with a 1Mb pipe to my ISP. I am using NATand I am blocking all NBT traffic.Here is the weird problem....It can be 12 hours, 2 days or 3 days, but eventually my external interface stops passing packets. NT Event viewer shows no events. When I reboot the Nt Server, i receive the infamous IP Conflict message telling me that I am in conflict with the mac address of the CISCO router on the other side of my DSL Modem. I have tried different NICS to no avail. To solve the problem I need to configure my external NIC for DHCP, disable Checkpoint. restart and obtain an IP address from the DHCP server which has a reservation for my external NIC. After successfully obtain my IP, I again configure for static IP, enable Checkpoint, restart and all is well again until the next time. I have tried a switch in between my Firewall and the Modem thinking that broadcast traffic was messing me up. No help. Please Help !
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