Hello. After upgrading from 2.6.13 an IP Masquerading router panics as soon as soon as packages are forwarder (or rather should be). As long as IP Masquerading is disabled (and thus no forwarding occurs) the box runs stable. A picture of the panic ouput can be found at: http://shamrock.dyndns.org/~ln/kernel/2.6.16rc3_panic/panic.jpg The config is at: http://shamrock.dyndns.org/~ln/kernel/2.6.16rc3_panic/config-2.6.16-rc3-g51d6aa16-dirty The kernel was patched to support SIP-contrack however the extra files have not been compiled and should thus have no influence. Please cc me on replies as I am not subscribed to the lists. Best Regards Jens Taprogge