Date: Tue, 20 Dec 2011 14:56:29 GMT From: Eugen Konkov <kes-kes@yandex.ru> To: freebsd-gnats-submit@FreeBSD.org Subject: i386/163478: interface does not count bytes on interface Message-ID: <201112201456.pBKEuTnO000503@red.freebsd.org> Resent-Message-ID: <201112201500.pBKF0UZ2095635@freefall.freebsd.org>
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>Number: 163478
>Category: i386
>Synopsis: interface does not count bytes on interface
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-i386
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Dec 20 15:00:30 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator: Eugen Konkov
>Release: 10.0-CURRENT
>Organization:
ISP FreeLine
>Environment:
# uname -a
FreeBSD meta-up 10.0-CURRENT FreeBSD 10.0-CURRENT #1: Sat Dec 17 21:11:04 EET 2011 @:/usr/obj/usr/src/sys/KES_KERN_v10 i386
>Description:
Getting statistics on interface from SNMP:
octetsIn:4057310174 octetsOut:0 packetsIn:6900040 packetsOut:6059095
Doing trafshow or bwm-ng does not show traffic on vlan interface, BUT if I watch packets - all is OK
# ifconfig re0
re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC>
ether 00:30:67:5a:44:72
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
# ifconfig vlan7
vlan7: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=103<RXCSUM,TXCSUM,TSO4>
ether 00:1b:21:45:da:b9
inet 10.11.19.149 netmask 0xfffffff8 broadcast 10.11.19.151 vhid 5
inet6 fe80::21b:21ff:fe45:dab9%vlan7 prefixlen 64 scopeid 0x9 vhid 5
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
vlan: 7 parent interface: igb1
on one console:
# tcpdump -n -i re0
tcpdump: WARNING: re0: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on re0, link-type EN10MB (Ethernet), capture size 65535 bytes
16:51:36.478028 ARP, Request who-has 10.11.19.145 tell 10.11.19.146, length 42
on other console:
# ping 10.11.19.146
PING 10.11.19.146 (10.11.19.146): 56 data bytes
64 bytes from 10.11.19.146: icmp_seq=1 ttl=63 time=3.720 ms
64 bytes from 10.11.19.146: icmp_seq=2 ttl=63 time=3.676 ms
64 bytes from 10.11.19.146: icmp_seq=3 ttl=63 time=3.757 ms
64 bytes from 10.11.19.146: icmp_seq=4 ttl=63 time=3.760 ms
^C
--- 10.11.19.146 ping statistics ---
5 packets transmitted, 4 packets received, 20.0% packet loss
round-trip min/avg/max/stddev = 3.676/3.728/3.760/0.034 ms
as you see no ARP, Reply packet seen.
again on first console:
# tcpdump -n -i vlan7
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on vlan7, link-type EN10MB (Ethernet), capture size 65535 bytes
16:53:42.914087 ARP, Request who-has 10.11.19.146 tell 10.11.19.149, length 28
16:53:42.916577 ARP, Reply 10.11.19.146 is-at 00:30:4f:71:a8:7f, length 42
16:53:42.916584 IP 10.11.19.149 > 10.11.19.146: ICMP echo request, id 17749, seq 0, length 64
16:53:42.920280 IP 10.11.19.146 > 10.11.19.149: ICMP echo reply, id 17749, seq 0, length 64
16:53:43.914478 IP 10.11.19.149 > 10.11.19.146: ICMP echo request, id 17749, seq 1, length 64
16:53:43.918174 IP 10.11.19.146 > 10.11.19.149: ICMP echo reply, id 17749, seq 1, length 64
16:53:44.914734 IP 10.11.19.149 > 10.11.19.146: ICMP echo request, id 17749, seq 2, length 64
16:53:44.918462 IP 10.11.19.146 > 10.11.19.149: ICMP echo reply, id 17749, seq 2, length 64
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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