Re: FreeBSD 8.2 and MPD5 stability issues - update

2011-07-02 Thread Julian Elischer
On 7/2/11 12:15 PM, Adrian Minta wrote: Hi, Without FLOWTABLE the system is stable an I was able to increase the number of l2tp sessions. A major improvement came when I replaced the network card with a multiqueue model (igb). The limit is now around 6300 active sessions. If I try to go over this

Re: integer overflow in TCP LRO

2011-07-02 Thread Jack Vogel
Looks good to me, good work! Jack On Sat, Jul 2, 2011 at 2:24 PM, Colin Percival wrote: > Hi all, > > In tcp_lro_rx it's possible for lro->len to exceed 65536, resulting in an > integer overflow and 65536 bytes of TCP "packet loss" when tcp_lro_flush > stuffs lro->len back into an IP header. >

integer overflow in TCP LRO

2011-07-02 Thread Colin Percival
Hi all, In tcp_lro_rx it's possible for lro->len to exceed 65536, resulting in an integer overflow and 65536 bytes of TCP "packet loss" when tcp_lro_flush stuffs lro->len back into an IP header. It's clear that an attempt was made to avoid overflow 339:/* flush packet if r

FreeBSD 8.2 and MPD5 stability issues - update

2011-07-02 Thread Adrian Minta
Hi, Without FLOWTABLE the system is stable an I was able to increase the number of l2tp sessions. A major improvement came when I replaced the network card with a multiqueue model (igb). The limit is now around 6300 active sessions. If I try to go over this limit the mpd5 starts to loose old sessio

Primavera 2031

2011-07-02 Thread centro medico revitalizare
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20+ year old #ifdef notyet in tcp_output.c

2011-07-02 Thread Colin Percival
Hi all, In tcp_output.c we have > #ifdef notyet > extern struct mbuf *m_copypack(); > #endif and some time later, > #ifdef notyet > if ((m = m_copypack(so->so_snd.sb_mb, off, > (int)len, max_linkhdr + hdrlen)) == 0) { > SOCKBUF_UNLOCK(&so->so_s

Re: Bridging Two Tunnel Interfaces For ALTQ

2011-07-02 Thread Julian Elischer
On 7/1/11 12:59 AM, Michael MacLeod wrote: On Fri, Jul 1, 2011 at 1:20 AM, Julian Elischer > wrote: On 6/29/11 11:28 AM, Michael MacLeod wrote: I use pf+ALTQ to achieve some pretty decent traffic shaping results at home. However, recently s

Re: Bridging Two Tunnel Interfaces For ALTQ

2011-07-02 Thread Julian Elischer
On 7/1/11 12:59 AM, Michael MacLeod wrote: On Fri, Jul 1, 2011 at 1:20 AM, Julian Elischer > wrote: On 6/29/11 11:28 AM, Michael MacLeod wrote: I use pf+ALTQ to achieve some pretty decent traffic shaping results at home. However, recently s