DHCP Drops Packets

[Red DHCP]

Hello 

try to set your dhcp logs to asynchronous mode (you need to edit the
syslog config and restart syslogd process), this can increase your dhcp
server performance

Regards
Red1

On Thu, 2010-11-11 at 16:44 -0500, Nathan McDavit-Van Fleet wrote:
> Hello All,
> 
> For some reason it appears as if our DHCP server 4.1.2 is not
> responding to packets. We Wiresharked in front of the DHCP server and
> saw that ~10 Discover packets were going into the server.
> Unfortunately only one of those packets made it to the DHCP log
> itself. We’ve had similar issues with DHCPRequest packets as well.
> We’ve been seeing a big delay for clients trying to get an IP address.
> 
> Is this to do with the load of on the server itself? I haven’t found a
> dependable recommendation for load averages, but for example our
> leases file is 4.1MB and our lease time is 3600 seconds with about
> 3000 users or so.
> 
> I also tcpdump’d the server and at least MORE of the packets made it
> to the interface than made it to DHCPD. I disabled iptables, added
> 255.255.255.255 to my hosts file and verified SELinux had the
> exceptions needed.
> 
> Past that I don’t know where to turn.  Hopefully someone here has a
> suggest. 
> 
>  
> 
> Thanks,
> 
> -Nathan
> 
>  
> 
> 
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users