Re: Tuning routing table size in FreeBSD 8.0 and 7.2
On Thu, Feb 24, 2011 at 9:37 PM, nikitha sumi.tec...@gmail.com wrote: Thank you all, for your timely reply.. To answer Niko's question: Just i'm doing some performance/stress testing of a freebsd router.. :-) -Sumi On Thu, Feb 24, 2011 at 10:11 PM, Nikos Vassiliadis nv...@gmx.com wrote: On 2/24/2011 4:51 PM, Damien Fleuriot wrote: On 2/24/11 3:00 PM, nikitha wrote: Hi, Could you plz share the information on the maximum number of routes that can be added (by default) in FREEBSD 8.0/7.2 kernel? In Linux the sysctl rt_max_size is used. Is there a similar tunable parameter in freeBSD? [snip] I could not find a sysctl that matched what you're looking for. AFAIK, the routing table is limited only by the amount of RAM you can allocate to it. Yes. You can use vmstat -z | grep rtentry to examine it. It seems trivial to add a limit there(without having thought of multiple routing tables and vnet). Out of curiosity, why would you want such a limit? ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org Hello Sumi, What tools do you use to perform the tests? thanks, v -- network warrior ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Tuning routing table size in FreeBSD 8.0 and 7.2
On 2/24/11 3:00 PM, nikitha wrote: Hi, Could you plz share the information on the maximum number of routes that can be added (by default) in FREEBSD 8.0/7.2 kernel? In Linux the sysctl rt_max_size is used. Is there a similar tunable parameter in freeBSD? Your earliest reply in this regard is much appreciated. Thanks for any inputs.. -Sumi ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org I could not find a sysctl that matched what you're looking for. AFAIK, the routing table is limited only by the amount of RAM you can allocate to it. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
RE: Tuning routing table size in FreeBSD 8.0 and 7.2
Sysctl -a lists all options. This MAY be what you want: net.inet.ip.rtmaxcache - Upper limit on dynamically learned routes http://people.freebsd.org/~hmp/utilities/satbl/sysctl-net.html HTH Gary -Original Message- From: owner-freebsd-questi...@freebsd.org [mailto:owner-freebsd-questi...@freebsd.org] On Behalf Of nikitha Sent: Thursday, February 24, 2011 8:01 AM To: freebsd-questions@freebsd.org Subject: Tuning routing table size in FreeBSD 8.0 and 7.2 Hi, Could you plz share the information on the maximum number of routes that can be added (by default) in FREEBSD 8.0/7.2 kernel? In Linux the sysctl rt_max_size is used. Is there a similar tunable parameter in freeBSD? Your earliest reply in this regard is much appreciated. Thanks for any inputs.. -Sumi ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org font size=1 div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in' /div This email is intended to be reviewed by only the intended recipient and may contain information that is privileged and/or confidential. If you are not the intended recipient, you are hereby notified that any review, use, dissemination, disclosure or copying of this email and its attachments, if any, is strictly prohibited. If you have received this email in error, please immediately notify the sender by return email and delete this email from your system. /font ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Tuning routing table size in FreeBSD 8.0 and 7.2
On 2/24/2011 4:51 PM, Damien Fleuriot wrote: On 2/24/11 3:00 PM, nikitha wrote: Hi, Could you plz share the information on the maximum number of routes that can be added (by default) in FREEBSD 8.0/7.2 kernel? In Linux the sysctl rt_max_size is used. Is there a similar tunable parameter in freeBSD? [snip] I could not find a sysctl that matched what you're looking for. AFAIK, the routing table is limited only by the amount of RAM you can allocate to it. Yes. You can use vmstat -z | grep rtentry to examine it. It seems trivial to add a limit there(without having thought of multiple routing tables and vnet). Out of curiosity, why would you want such a limit? ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Tuning routing table size in FreeBSD 8.0 and 7.2
Thank you all, for your timely reply.. To answer Niko's question: Just i'm doing some performance/stress testing of a freebsd router.. :-) -Sumi On Thu, Feb 24, 2011 at 10:11 PM, Nikos Vassiliadis nv...@gmx.com wrote: On 2/24/2011 4:51 PM, Damien Fleuriot wrote: On 2/24/11 3:00 PM, nikitha wrote: Hi, Could you plz share the information on the maximum number of routes that can be added (by default) in FREEBSD 8.0/7.2 kernel? In Linux the sysctl rt_max_size is used. Is there a similar tunable parameter in freeBSD? [snip] I could not find a sysctl that matched what you're looking for. AFAIK, the routing table is limited only by the amount of RAM you can allocate to it. Yes. You can use vmstat -z | grep rtentry to examine it. It seems trivial to add a limit there(without having thought of multiple routing tables and vnet). Out of curiosity, why would you want such a limit? ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
