Re: Sun single-CPU DOS

2006-05-22 Thread Mike O'Connor
:single CPU Sun microsystems system running solaris7, 8, or 9 :(haven't tested on 10). E.g. netra. : :if you telnet to a local router, disable nagle (on purpose :or by accident or whatever - if nagle is turned off), and then TCP_NODELAY by any other name, I assume. :ping another device with int

Re: Sun single-CPU DOS

2006-05-24 Thread Mike O'Connor
Doug, :> :ping another device with interpacket delay of 0 and a count ... :> Define what you mean by "interpacket delay". Are you referring to an ... :cisco router. extending ping. 0 delay. :I was speaking of cisco ping. :I should have said 'timeout'. mea culpa. A between your using the

Re: Sun single-CPU DOS

2006-05-26 Thread Mike O'Connor
:Beyond netstat -k, you can probably use lockstat or other kernel :profiling tools as I mentioned in my earlier post to give them a :good idea of where the bug really is. Interrupt issues aren't :always going to be cut and dried. There could be some particular :flavor of IOS, network adapter, m

Re: Sun single-CPU DOS

2006-05-26 Thread Mike O'Connor
:Sun says it is jabber, which is why I put it quotes. Since they have not :replicated in lab, they are jumping to conclusions. Yes, I agree, :it is very specific and the backline engineer usage appears 'stretching things' Most Sun adapters have an actual jabber counter that netstat -k will spew ou