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Renewing DHCP lease fails with OS X Server, Apple PCI Ethernet, Time Warner cable modem
Hi, I have a Mac OS X Server (a dual-2GHz G5, now at 10.4.9) acting as a server, firewall and NAT router for my Time Warner Roadrunner service, connected through a Toshiba DAZ8823A cable modem. The built-in ethernet connects to the LAN, and the add-on Apple Gigabit Ethernet PCI card (revision 0x0002). Everything works great, except that OS X Server must be rebooted in order to acquire a DHCP lease, and a lease cannot be renewed or rebound without another reboot. When the machine starts up, it successfully acquires an address and configuration from the cable modem. Every 12-24 hours, when the lease expires (or if there is a network outage during the day), the machine is unable to renew a DHCP lease, and there is no internet connectivity.
Interestingly, the Apple Airport Extreme Base Station IS able to request and renew DHCP leases from the cable modem without problem. Unfortunately, the Airport does not handle NAT/ESP/GRE routing well enough to support running an IPSec VPN server, requiring me to use the OS X Server as the NAT/ipfw router. I am at the end of my rope. Any ideas at all?
Renewing DHCP lease fails with OS X Server, Apple PCI Ethernet, Time Warner cable modem
Unfortunately, the Airport does not handle NAT/ESP/GRE routing well enough to support running an IPSec VPN server, requiring me to use the OS X Server as the NAT/ipfw router.Are you referring to the new Airport Extreme N here? I have Tiger Server VPN running as well behind that router and VPN seems to be working well. |
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