Date: Sun, 07 May 2006 16:59:39 +0100 From: John Murphy <sub02@freeode.co.uk> To: freebsd-questions@freebsd.org Subject: 20 Ierrs/sec on ath0 (no traffic) Message-ID: <ft5s5298pql1c7eqr7j6r8m7gv5t23tnqr@4ax.com>
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I've recently installed a D-Link DWL-G520 PCI card in my Soekris
Net4801. It's configured to use ipsec and seems to work very well
except 'Daily' reports an ever increasing number of 'Ierrs' far in
excess of 'Ipkts' and 'Opkts'. Without any traffic on the card the
counter seems to increment by about 20/sec. I also notice the two
LEDs on the card are flashing at about 0.5 c/s.
It's my first experience of wireless so I have nothing to compare
it with. Should I be worried? Is this common for wireless cards?
> grep ath /etc/rc.conf
ifconfig_ath0="inet 10.10.20.1 netmask 255.255.255.252 channel 7
ssid skew_wifi mode 11b mediaopt hostap"
> ifconfig ath0
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet6 fe80::211:95ff:fe91:8cdf%ath0 prefixlen 64 scopeid 0x4
inet 10.10.20.1 netmask 0xfffffffc broadcast 10.10.20.3
ether 00:11:95:91:8c:df
media: IEEE 802.11 Wireless Ethernet autoselect mode 11b <hostap>
status: associated
ssid skew_wifi channel 7 bssid 00:11:95:91:8c:df
authmode OPEN privacy OFF txpowmax 0 protmode CTS dtimperiod 1
bintval 100
> netstat -i -I ath0
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
ath0 1500 <Link#4> 00:11:95:91:8c:df 0 1685321 2 0 0
ath0 1500 fe80:4::211:9 fe80:4::211:95ff: 0 - 4 - -
ath0 1500 10.10.20/30 10.10.20.1 0 - 0 - -
10 seconds later:
> netstat -i -I ath0
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
ath0 1500 <Link#4> 00:11:95:91:8c:df 0 1685515 2 0 0
ath0 1500 fe80:4::211:9 fe80:4::211:95ff: 0 - 4 - -
ath0 1500 10.10.20/30 10.10.20.1 0 - 0 - -
--
John.
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