Date: Mon, 30 Nov 2009 15:38:50 -0500 From: Ben Kelly <ben@wanderview.com> To: Oleg Bulyzhin <oleg@freebsd.org> Cc: freebsd-ipfw@freebsd.org, Kevin Smith <kerbzo@gmail.com>, freebsd-current@freebsd.org Subject: Re: dummynet issues Message-ID: <A173B0FA-C964-431C-8DAF-AE4159065111@wanderview.com> In-Reply-To: <20091130201222.GC72710@lath.rinet.ru> References: <4B129960.9030107@gmail.com> <4B12B6B9.3030106@bsd.com.br> <4B12C32F.3060709@gmail.com> <4B12C543.2070204@mgwigglesworth.net> <4B141A77.4030102@gmail.com> <20091130201222.GC72710@lath.rinet.ru>
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On Nov 30, 2009, at 3:12 PM, Oleg Bulyzhin wrote:
> Please show your pipe/queue configuration commands and your ipfw =
ruleset.
> sysctl net.inet.ip.fw & sysctl net.inet.ip.dummynet output would not =
hurt too.
I've also run into the problem recently on 9-CURRENT (last synced on =
11/13/2009). My configuration looks like:
# Configure traffic shaping.
$fw pipe 10 config bw 950Kbit/s
$fw queue 10 config pipe 10 weight 100
$fw queue 20 config pipe 10 weight 1
# Shape traffic to avoid ACK starvation when our upload is saturated.
$fw add 6100 queue 10 tcp from any to any tcpflags ack iplen 0-80 out =
via $oif
$fw add 6110 queue 10 udp from any to any iplen 0-80 out via $oif
$fw add 6120 queue 20 tcp from any to any \{ not tcpflags ack or not =
iplen 0-80 \} out via $oif
$fw add 6130 queue 20 udp from any to any not iplen 0-80 out via $oif
The output of the sysctl elements are:
gate# sysctl net.inet.ip.fw
net.inet.ip.fw.dyn_keepalive: 1
net.inet.ip.fw.dyn_short_lifetime: 5
net.inet.ip.fw.dyn_udp_lifetime: 10
net.inet.ip.fw.dyn_rst_lifetime: 1
net.inet.ip.fw.dyn_fin_lifetime: 1
net.inet.ip.fw.dyn_syn_lifetime: 20
net.inet.ip.fw.dyn_ack_lifetime: 300
net.inet.ip.fw.static_count: 42
net.inet.ip.fw.dyn_max: 4096
net.inet.ip.fw.dyn_count: 232
net.inet.ip.fw.curr_dyn_buckets: 256
net.inet.ip.fw.dyn_buckets: 256
net.inet.ip.fw.default_to_accept: 0
net.inet.ip.fw.tables_max: 128
net.inet.ip.fw.default_rule: 65535
net.inet.ip.fw.verbose_limit: 0
net.inet.ip.fw.verbose: 0
net.inet.ip.fw.one_pass: 0
net.inet.ip.fw.autoinc_step: 100
net.inet.ip.fw.enable: 1
gate# sysctl net.inet.ip.dummynet
net.inet.ip.dummynet.debug: 0
net.inet.ip.dummynet.pipe_byte_limit: 1048576
net.inet.ip.dummynet.pipe_slot_limit: 100
net.inet.ip.dummynet.io_pkt_drop: 1601
net.inet.ip.dummynet.io_pkt_fast: 146359
net.inet.ip.dummynet.io_pkt: 26208842
net.inet.ip.dummynet.io_fast: 0
net.inet.ip.dummynet.tick_lost: 0
net.inet.ip.dummynet.tick_diff: 1352176
net.inet.ip.dummynet.tick_adjustment: 239751
net.inet.ip.dummynet.tick_delta_sum: -494
net.inet.ip.dummynet.tick_delta: 1
net.inet.ip.dummynet.red_max_pkt_size: 1500
net.inet.ip.dummynet.red_avg_pkt_size: 512
net.inet.ip.dummynet.red_lookup_depth: 256
net.inet.ip.dummynet.max_chain_len: 16
net.inet.ip.dummynet.expire: 1
net.inet.ip.dummynet.search_steps: 0
net.inet.ip.dummynet.searches: 0
net.inet.ip.dummynet.extract_heap: 16
net.inet.ip.dummynet.ready_heap: 0
net.inet.ip.dummynet.hash_size: 64
Thanks for the help.
- Ben=
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