What does netstat -n show you? I have seen this error when there are thousands of TCP connections open at the same time (this was using the 'naptha' DoS demonstration tool I wrote). On Mon, 2 Dec 2002 andre.correa@pobox.com wrote: > > Hi list, > > I have a Linux 2.4.19 box doing NAT, PPPoE, Traffic Shapping and > Firewalling. It is a 2xPIII 733MHz with 512Mb RAM. Everything was > working just fine until 5 or 6 days ago we started having some strange > behavior. > > Under moderate traffic, 15 to 20 NAT users, we find that traffic > suddenly stops for 10 or 15 seconds and then comes back. During this > periods I've figured out that if I ping my interfaces or Internet > addresses I get: > > sendto: No buffer space available > ping: sent 64 octets to xxx.xxx.xxx.xxx, ret=-1 > > I've made lots of searchs in mailling lists, Internet and in the > kernel source but couldn't work on it. > > Can you guys help me to solve this problem? > > tks in advance for your help and attention. > > Andre > andre.correa@pobox.com > > >
