----- Original Message ----- | Hi, | | Would anyone be able to share some insight on this? | | | On 11/21/2013 3:44 AM, Han Hwei Woo wrote: | > Hi, | > | > I was doing some ARP troubleshooting, and noticed this sysctl | > variable, and was wondering what it is for? On our office firewall | > with just 14 ARP entries, I see it's normally at 0 but on a busy | > data | > centre firewall with 1,541 ARP entries, it seems to always be at or | > near 100, and never above. This is just speculation, but it would | > appear that the maximum queue length is 100, and that ARP requests | > may | > potentially be dropped above that number? Can somebody confirm | > this? | > Am I currently running into ARP limitations, or this is indicative | > of | > other problems? Is it possible to increase the queue length to | > something larger through the kernel configuration or at compile | > time, | > and would this be advisable? | > | > | > Thanks, | > Han | |
report the number of packets that arp resolution is holding onto until it gets a mac addr for an ip under net.inet.ip.arpqueued. See http://www.openssh.com/cgi-bin/cvsweb/src/sys/netinet/in.h -- James A. Peltier Manager, IT Services - Research Computing Group Simon Fraser University - Burnaby Campus Phone : 778-782-6573 Fax : 778-782-3045 E-Mail : jpelt...@sfu.ca Website : http://www.sfu.ca/itservices “A successful person is one who can lay a solid foundation from the bricks others have thrown at them.” -David Brinkley via Luke Shaw
