Collision on NIC
From: Erwane Breton (breton_at_erwane.net)
Date: 05/29/03
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Date: Thu, 29 May 2003 15:51:43 +0200 To: freebsd-net@freebsd.org
Hi,
Few weeks ago, i discovered i have collision on my NIC for my Adsl ethernet modem (ed0). After research i found the other FreeBSD box i used, have same problem.
Take a look.
On my FreeBSD box
Network interface status:
Name Mtu Network Address Ipkts Ierrs Ibytes Opkts Oerrs Obytes Coll
ed0 1500 <Link#1> 00:00:b4:bc:f0:b6 21852457 0 280187344 28530965 7 3906410421 8584
ed0 1500 10/24 10.0.0.254 8 - 384 13 - 632 -
xl0 1500 <Link#2> 00:50:da:4c:ed:c5 9470610 6 2735351753 13266752 0 2582350504 0
xl0 1500 10.1.1/24 10.1.1.254 6212939 - 2395538679 8600799 - 1389994967 -
lo0 16384 <Link#3> 513933 0 106611959 513933 0 106611959 0
lo0 16384 your-net localhost 358554 - 78001172 358554 - 78001172 -
tun0 1492 <Link#4> 21878874 0 4108172057 28557467 0 3406988782 0
tun0 1492 start-213-41- xxxxxxxxx 192029 - 92763765 380021 - 60316512 -
Lot of collisions (for 10 days uptime)
# ifconfig
ed0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.0.0.254 netmask 0xffffff00 broadcast 10.0.0.255
ether 00:00:b4:bc:f0:b6
xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=3<RXCSUM,TXCSUM>
inet 10.1.1.254 netmask 0xffffff00 broadcast 10.1.1.255
ether 00:50:da:4c:ed:c5
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1492
inet xxx.xxx.xxx.xxx --> xx.xx.xx.xx netmask 0xffffff00
Opened by PID 20935
# netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 62.4.16.251 UGSc 153 44612 tun0
10/24 link#1 UC 1 0 ed0
10.0.0.254 00:00:b4:bc:f0:b6 UHLW 0 14 lo0
10.1.1/24 link#2 UC 3 0 xl0
10.1.1.10 00:10:b5:ae:06:da UHLW 10 11844185 xl0 862
10.1.1.254 00:50:da:4c:ed:c5 UHLW 12 162524 lo0
10.1.1.255 ff:ff:ff:ff:ff:ff UHLWb 2 4610 xl0
62.4.16.251 213.41.144.146 UH 151 3820 tun0
127.0.0.1 127.0.0.1 UH 3 410587 lo0
All this route is generate BY FreeBSD. I haven't change anything
I think the problem came from here. I have route to 10/24 use ed0 or my network (where other pc is connected (10.1.1.0) is on xl0.
Maybe not come from here, i don't know.
If someone have idea or same problem, and solution :)
Thanks
Erwan
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- Previous message: Crist J. Clark: "Re: Merging Non-Back-Compatible setkey(8)"
- Next in thread: Matthew D. Fuller: "Re: Collision on NIC"
- Reply: Matthew D. Fuller: "Re: Collision on NIC"
- Maybe reply: Sten Daniel Sørsdal: "RE: Collision on NIC"
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