Henry D. wrote: > > Priscilla, > > Isn't there statement in the RFC's that Source Quench message > should be sent > if the host is overwhelmed with data ?
Yes. That's what it's good for. And the Host Requirements RFC (1122) says it's still OK for hosts to send it. Routers are not supposed to send it, however, per The Requirements for IP V4 Routers RFC, (1812). Hopefully I got the numbers right this time. (There was a typo in my last message.) > Is that really being > used in the real > world > applications ? It's not very common, but it is still used. Mac OS sends it in response to too many pings, for example. > > On the other note, I have seen HP-UX machines keep on > responding with these > messages > to ICMP Echo requests So you have evidence that it is still used too. >, solution was to apply certain patch. It's not really a serious problem that needs a solution, but I guess it could annoy network managers. Maybe that patch is what the original requester needs. Priscilla > > ""Priscilla Oppenheimer"" wrote in > message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > LIM Chin Chye wrote: > > > > > > How can I eliminate a source quench generate by a network > > > element? This > > > element is directly connected to the Cisco 7200 series > router, > > > but it > > > replies a error, "Source Quench received." when ICMP > attempt. > > > > The network element replies with Source Quench Received? That > doesn't make > > sense unless you SENT it a Source Quench. You're probably > seeing the > result > > of what it sent which was a Source Quench, not Source Quench > Received. > > > > > Appreciate for > > > advices, thanks! > > > > > > > > > > What is the network element?? > > > > There's probably no easy way to get it to stop sending a > Source Quench > other > > than to stop bugging it with your ICMP messages. It's > probably built into > > the operating system on the "network element" to send "source > quench" when > > too many messages of a certain type are received. Mac OS used > to do this. > I > > don't know what other OSs do it, but if you tell us the OS > maybe there's a > > registry change or something. > > > > Per RFC 1821, routers should not send source quench, but end > hosts still > can > > per RFC 1122. It's not anything to worry about. You should > probably just > > ignore it. > > > > Priscilla > > Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=50067&t=49990 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
