UDP flooding / Ethernet issues? WAS Re: named error sending response: not enough free resources

2010-01-29 Thread James Smallacombe
On Thu, Jan 28, 2010 at 12:59 PM, James Smallacombe u...@3.am wrote: To follow up on this: Noticed the issue again this morning, which also was accompanied by latency so high that I could not connect (some pings got through at very high latency). I emailed the provider and they told me that

Re: UDP flooding / Ethernet issues? WAS Re: named error sending response: not enough free resources

2010-01-29 Thread Adam Vande More
On Fri, Jan 29, 2010 at 10:51 AM, James Smallacombe u...@3.am wrote: Some updates that may confuse more than inform: I caught this while it was happening yesterday and was able to do a tcpdump. I saw a ton of UDP traffic outbound to one IP that turned out to be a colocated server in Chicago.

Re: UDP flooding / Ethernet issues? WAS Re: named error sending response: not enough free resources

2010-01-29 Thread Chuck Swiger
Hi-- On Jan 29, 2010, at 8:51 AM, James Smallacombe wrote: On Thu, Jan 28, 2010 at 12:59 PM, James Smallacombe u...@3.am wrote: To follow up on this: Noticed the issue again this morning, which also was accompanied by latency so high that I could not connect (some pings got through at very

Re: named error sending response: not enough free resources

2010-01-28 Thread James Smallacombe
On Wed, 27 Jan 2010, Chuck Swiger wrote: Hi-- On Jan 27, 2010, at 1:15 PM, James Smallacombe wrote: Jan 26 21:50:32 host named[667]: client IP REMOVED#57938: error sending response: not enough free resources Jan 26 21:50:32 host named[667]: client IP REMOVED#59830: error sending response:

Re: named error sending response: not enough free resources

2010-01-28 Thread Adam Vande More
On Thu, Jan 28, 2010 at 12:59 PM, James Smallacombe u...@3.am wrote: To follow up on this: Noticed the issue again this morning, which also was accompanied by latency so high that I could not connect (some pings got through at very high latency). I emailed the provider and they told me that

named error sending response: not enough free resources

2010-01-27 Thread James Smallacombe
NOTE: Please reply off-list as well as I am not subscribed My server (7.2-STABLE) suffered at least two outages Sunday through yesterday after having been up since July (it is a rented dedicated server with my FSBD install). The first time, I was able to log in via remotely, saw a ton of

Re: named error sending response: not enough free resources

2010-01-27 Thread Chuck Swiger
On Jan 27, 2010, at 10:24 AM, James Smallacombe wrote: NOTE: Please reply off-list as well as I am not subscribed OK. In return, please don't cross-post or multi-post the same question to multiple FreeBSD lists. My server (7.2-STABLE) suffered at least two outages Sunday through yesterday

Re: named error sending response: not enough free resources

2010-01-27 Thread James Smallacombe
On Wed, 27 Jan 2010, Chuck Swiger wrote: On Jan 27, 2010, at 10:24 AM, James Smallacombe wrote: NOTE: Please reply off-list as well as I am not subscribed OK. In return, please don't cross-post or multi-post the same question to multiple FreeBSD lists. I posted to the -isp list a couple

Re: named error sending response: not enough free resources

2010-01-27 Thread Chuck Swiger
Hi-- On Jan 27, 2010, at 1:15 PM, James Smallacombe wrote: Jan 26 21:50:32 host named[667]: client IP REMOVED#57938: error sending response: not enough free resources Jan 26 21:50:32 host named[667]: client IP REMOVED#59830: error sending response: not enough free resources Were these

Re: named error sending response: not enough free resources

2010-01-27 Thread James Smallacombe
On Wed, 27 Jan 2010, Chuck Swiger wrote: On Jan 27, 2010, at 1:15 PM, James Smallacombe wrote: Jan 26 21:50:32 host named[667]: client IP REMOVED#57938: error sending response: not enough free resources indicates a problem sending UDP traffic; netstat -s output would be Unfortunately, I

Re: named: error sending response: not enough free resources

2009-06-05 Thread Chris St Denis
Steve Bertrand wrote: Chris St Denis wrote: Steve Bertrand wrote: What type of device is em1 attached to? Is it a switch or a hub? Is it possible to upgrade this? You should upgrade it to 100 (or 1000) anyways. Does this device show any collisions? This is a dedicated

Re: named: error sending response: not enough free resources

2009-06-05 Thread Wojciech Puchar
This is a dedicated server in a datacenter. I don't know the exact switch specs but it's likely a layer 2/3 managed switch. Probably a 1U catalyst. you mean cisco? there are actually most problematic switches. They don't properly autonegotiate speed and full/half duplex with many network

Re: named: error sending response: not enough free resources

2009-06-03 Thread Wojciech Puchar
- the network/LAN named tries to sent UDP packet is somehow flooded. Dns is probably fairly busy. It's the primary authorative dns for some busy domains. Is there a setting I can do to increase the limits of UDP packets to keep it from causing problems? it would need

Re: named: error sending response: not enough free resources

2009-06-03 Thread Mel Flynn
On Wednesday 03 June 2009 00:46:20 Wojciech Puchar wrote: named[69750]: client *ip removed*: error sending response: not enough free resources quite misleading message, but the problem is that named want to send UDP packet and get's error from kernel. possible reasons - your

Re: named: error sending response: not enough free resources

2009-06-03 Thread Wojciech Puchar
possible reasons - your firewall rules are the cause - check it. - your network card produce problems (REALLY i have that case) - the network/LAN named tries to sent UDP packet is somehow flooded. - the network card changes from UP to DOWN state at the time of the error See that a lot running

Re: named: error sending response: not enough free resources

2009-06-03 Thread Mel Flynn
On Wednesday 03 June 2009 11:48:48 Wojciech Puchar wrote: possible reasons - your firewall rules are the cause - check it. - your network card produce problems (REALLY i have that case) - the network/LAN named tries to sent UDP packet is somehow flooded. - the network card changes

Re: named: error sending response: not enough free resources

2009-06-03 Thread Wojciech Puchar
Not really. The point is that at the time the network card goes from up to down, named spits out this error. If you log named to a different log file then /var/log/messages, you will not see the relation. The reason for changing this is one reason i always change syslog.conf to configure

named: error sending response: not enough free resources

2009-06-02 Thread Chris St Denis
I occasionally get named errors like these in my messages log. I've done a lot of searching and have found others with similar problems, but no solutions. named[69750]: client *ip removed*: error sending response: not enough free resources named[69750]: client *ip removed*: error

Re: named: error sending response: not enough free resources

2009-06-02 Thread Wojciech Puchar
lot of searching and have found others with similar problems, but no solutions. named[69750]: client *ip removed*: error sending response: not enough free resources named[69750]: client *ip removed*: error sending response: not enough free resources named[69750]: client *ip removed

Re: named: error sending response: not enough free resources

2009-06-02 Thread Chris St Denis
Wojciech Puchar wrote: lot of searching and have found others with similar problems, but no solutions. named[69750]: client *ip removed*: error sending response: not enough free resources named[69750]: client *ip removed*: error sending response: not enough free resources named[69750

Re: named: error sending response: not enough free resources

2009-06-02 Thread Steve Bertrand
Chris St Denis wrote: Wojciech Puchar wrote: possible reasons - your firewall rules are the cause - check it. Nope eureka# ipfw list - your network card produce problems (REALLY i have that case) I have had this kind of error on multiple servers over the years, so i

Re: named: error sending response: not enough free resources

2009-06-02 Thread Steve Bertrand
Steve Bertrand wrote: Chris St Denis wrote: Wojciech Puchar wrote: possible reasons - your firewall rules are the cause - check it. Nope eureka# ipfw list - your network card produce problems (REALLY i have that case) I have had this kind of error on multiple servers over the

Re: named: error sending response: not enough free resources

2009-06-02 Thread Steve Bertrand
Steve Bertrand wrote: Steve Bertrand wrote: Chris St Denis wrote: Wojciech Puchar wrote: possible reasons - your firewall rules are the cause - check it. Nope eureka# ipfw list - your network card produce problems (REALLY i have that case) I have had this kind of error on

Re: named: error sending response: not enough free resources

2009-06-02 Thread Chris St Denis
Steve Bertrand wrote: Chris St Denis wrote: Wojciech Puchar wrote: possible reasons - your firewall rules are the cause - check it. Nope eureka# ipfw list - your network card produce problems (REALLY i have that case) I have had this kind of error on

Re: named: error sending response: not enough free resources

2009-06-02 Thread Tim Judd
On Tue, Jun 2, 2009 at 4:46 PM, Wojciech Puchar woj...@wojtek.tensor.gdynia.pl wrote: lot of searching and have found others with similar problems, but no solutions. named[69750]: client *ip removed*: error sending response: not enough free resources named[69750]: client *ip removed

Re: named: error sending response: not enough free resources

2009-06-02 Thread Tim Judd
snip - the network/LAN named tries to sent UDP packet is somehow flooded. Dns is probably fairly busy. It's the primary authorative dns for some busy domains. Is there a setting I can do to increase the limits of UDP packets to keep it from causing problems? /snip If you extend the

Re: named: error sending response: not enough free resources

2009-06-02 Thread Steve Bertrand
Chris St Denis wrote: Steve Bertrand wrote: What type of device is em1 attached to? Is it a switch or a hub? Is it possible to upgrade this? You should upgrade it to 100 (or 1000) anyways. Does this device show any collisions? This is a dedicated server in a datacenter. I don't know the