When a machine suspends it will, by default, run '/sbin/service network stop'. Unfortunately on resume it doesn't reset several setting that are changed when network stop is called, including: /proc/sys/net/ipv4/ip_always_defrag and /proc/sys/net/ipv4/ip_forward are set to zero ipx is deleted ipv6 is stopped the apm scripts should handle networking more gracefully.
Closing out bugs on older unsupported releases. Apologies for any lack of response. Please reopen if it persists on current releases such as Fedora Core 3.