Date: Tue, 28 Aug 2001 13:56:49 +0200 From: Hroi Sigurdsson <hroi@netgroup.dk> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-net@freebsd.org Subject: Re: Runt frames = broken VLAN ? Message-ID: <3B8B8701.D24E204@netgroup.dk> References: <5.1.0.14.0.20010828010515.0221d380@192.168.0.12>
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Mike Tancsa wrote:
> According to Cisco's documentation, runt frames are a sign of collisions
> (this is full duplex end to end) in a non switched network, or a sign of
> broken software ie. the driver. Does anyone know what might be going on ?
I don't know what it is but I'm seeing the same here on a Catalyst 3548
and FreeBSD 4.3-STABLE (July 4th), fxp cards. Packets do get through though.
FastEthernet0/34 is up, line protocol is up
Hardware is Fast Ethernet, address is 0005.32a2.7e62 (bia 0005.32a2.7e62)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 100Mb/s, 100BaseTX/FX
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 15000 bits/sec, 17 packets/sec
2311 packets input, 220685 bytes
Received 1465 broadcasts, 869 runts, 0 giants, 0 throttles
869 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 2 multicast
0 input packets with dribble condition detected
38453483 packets output, 2531782393 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
bat# ifconfig fxp1
fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet6 fe80::200:e2ff:fe3a:ee3f%fxp1 prefixlen 64 scopeid 0x2
ether 00:00:e2:3a:ee:3f
media: 100baseTX <full-duplex> status: active
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
bat# ifconfig vlan0
vlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet6 fe80::200:e2ff:fe3a:ee40%vlan0 prefixlen 64 scopeid 0x3
inet 192.168.100.177 netmask 0xffffff00 broadcast 192.168.100.255
ether 00:00:e2:3a:ee:3f
vlan: 501 parent interface: fxp1
bat# grep -E '^fxp|^inphy' /var/run/dmesg.boot
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0x3800-0x383f mem 0xb300000-0xb3fffff,0xb200000-0xb200fff irq 10 at device 11.0 on pci0
fxp0: Ethernet address 00:00:e2:3a:ee:40
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp1: <Intel Pro 10/100B/100+ Ethernet> port 0x3000-0x303f mem 0x9200000-0x92fffff,0x9100000-0x9100fff irq 7 at device 12.0 on pci0
fxp1: Ethernet address 00:00:e2:3a:ee:3f
inphy1: <i82555 10/100 media interface> on miibus1
inphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
--
Hroi Sigurdsson hroi@netgroup.dk
Netgroup A/S http://www.netgroup.dk
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