Hi,
I have put all my eggs in this basket so I am desperate to get this fixed.
This may only be a tcpdump issue. If I have 19 interfaces tcpdump works as
expected. If I have 20 or more it fails.
First I try with 20 interfaces setup and I get:
# tcpdump -nttt -i bge0
tcpdump: Failed to open bpf device for bge0: No such file or directory
Now I remove one of them:
# ifconfig gre140 destroy
And now it works:
# tcpdump -nttt -i bge0
tcpdump: listening on bge0, link-type EN10MB
Sep 24 12:00:40.989192 CARPv2-advertise 20: vhid=7 advbase=1 advskew=100
demote=0 [tos 0xc0]
Sep 24 12:00:41.156206 CARPv2-advertise 36: vhid=1 advbase=1 advskew=20
demote=0 [tos 0x10]
I need to have around 50 total interfaces to complete the project and I need
tcpdump. Pf still seems to find them for redirects so I am not sure if it's
an OS issue or a tcpdump issue.
Please help,
Carl
Technical data:
# uname -a
OpenBSD xxxx.xxx.xxx 4.1 GENERIC.MP#1152 amd64
# ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33192
groups: lo
inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7
bge0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:09:3d:11:9b:0d
groups: egress
media: Ethernet autoselect (1000baseT full-duplex)
status: active
inet 65.44.125.15 netmask 0xffffff00 broadcast 65.44.125.255
inet6 fe80::209:3dff:fe11:9b0d%bge0 prefixlen 64 scopeid 0x1
bge1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:09:3d:11:9b:0e
media: Ethernet autoselect (1000baseT full-duplex)
status: active
inet 159.212.73.15 netmask 0xffffff80 broadcast 159.212.73.127
inet6 fe80::209:3dff:fe11:9b0e%bge1 prefixlen 64 scopeid 0x2
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:04:23:ae:17:c4
media: Ethernet autoselect (1000baseT full-duplex)
status: active
inet 192.168.63.57 netmask 0xffffff00 broadcast 192.168.63.255
inet6 fe80::204:23ff:feae:17c4%em0 prefixlen 64 scopeid 0x3
em1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:04:23:ae:17:c5
media: Ethernet autoselect (none)
status: no carrier
pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33192
enc0: flags=0<> mtu 1536
pfsync0: flags=0<> mtu 1460
pfsync: syncdev: em0 syncpeer: 192.168.63.56 maxupd: 128
groups: carp pfsync
gre1: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 159.212.48.152
inet6 fe80::209:3dff:fe11:9b0d%gre1 -> prefixlen 64 scopeid 0xb
inet 192.168.0.1 --> 192.168.1.1 netmask 0xffffffff
gre126: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 159.212.48.111
inet6 fe80::209:3dff:fe11:9b0d%gre126 -> prefixlen 64 scopeid 0xc
inet 192.168.0.126 --> 192.168.1.126 netmask 0xffffffff
gre132: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 10.140.253.251
inet6 fe80::209:3dff:fe11:9b0d%gre132 -> prefixlen 64 scopeid 0xf
inet 192.168.0.132 --> 192.168.1.132 netmask 0xffffffff
gre112: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 10.192.15.15
inet6 fe80::209:3dff:fe11:9b0d%gre112 -> prefixlen 64 scopeid 0x10
inet 192.168.0.112 --> 192.168.1.112 netmask 0xffffffff
gre146: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 159.212.187.7
inet6 fe80::209:3dff:fe11:9b0d%gre146 -> prefixlen 64 scopeid 0x11
inet 192.168.0.146 --> 192.168.1.146 netmask 0xffffffff
gre110: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 10.108.8.7
inet6 fe80::209:3dff:fe11:9b0d%gre110 -> prefixlen 64 scopeid 0x17
inet 192.168.0.110 --> 192.168.1.110 netmask 0xffffffff
gre114: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 10.108.16.60
inet6 fe80::209:3dff:fe11:9b0d%gre114 -> prefixlen 64 scopeid 0x18
inet 192.168.0.114 --> 192.168.1.114 netmask 0xffffffff
gre142: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 10.108.40.10
inet6 fe80::209:3dff:fe11:9b0d%gre142 -> prefixlen 64 scopeid 0x1d
inet 192.168.0.142 --> 192.168.1.142 netmask 0xffffffff
gre118: flags=b111<UP,POINTOPOINT,PROMISC,LINK0,LINK1,MULTICAST> mtu 1476
groups: gre
physical address inet 159.212.73.16 --> 10.108.24.45
inet6 fe80::209:3dff:fe11:9b0d%gre118 -> prefixlen 64 scopeid 0x1f
inet 192.168.0.118 --> 192.168.1.118 netmask 0xffffffff
carp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:00:5e:00:01:01
carp: BACKUP carpdev bge0 vhid 1 advbase 1 advskew 200
groups: carp
inet6 fe80::200:5eff:fe00:101%carp1 prefixlen 64 scopeid 0x8
inet 65.44.125.16 netmask 0xffffff00 broadcast 65.44.125.255
carp2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:00:5e:00:01:02
carp: BACKUP carpdev bge1 vhid 2 advbase 1 advskew 200
groups: carp
inet6 fe80::200:5eff:fe00:102%carp2 prefixlen 64 scopeid 0x9
inet 159.212.73.16 netmask 0xffffff80 broadcast 159.212.73.127
# cat sysctl.conf
# $OpenBSD: sysctl.conf,v 1.42 2007/02/15 20:43:33 reyk Exp $
#
# This file contains a list of sysctl options the user wants set at
# boot time. See sysctl(3) and sysctl(8) for more information on
# the many available variables.
#
net.inet.ip.forwarding=1 # 1=Permit forwarding (routing) of IPv4
packets
#net.inet.ip.mforwarding=1 # 1=Permit forwarding (routing) of IPv4
multicast packets
#net.inet6.ip6.forwarding=1 # 1=Permit forwarding (routing) of IPv6
packets
#net.inet6.ip6.mforwarding=1 # 1=Permit forwarding (routing) of IPv6
multicast packets
#net.inet6.ip6.accept_rtadv=1 # 1=Permit IPv6 autoconf (forwarding must be
0)
#net.inet.tcp.rfc1323=0 # 0=Disable TCP RFC1323 extensions (for if tcp
is slow)
#net.inet.tcp.rfc3390=0 # 0=Disable RFC3390 for TCP window increasing
#net.inet.esp.enable=0 # 0=Disable the ESP IPsec protocol
#net.inet.ah.enable=0 # 0=Disable the AH IPsec protocol
#net.inet.esp.udpencap=0 # 0=Disable ESP-in-UDP encapsulation
#net.inet.ipcomp.enable=1 # 1=Enable the IPCOMP protocol
#net.inet.etherip.allow=1 # 1=Enable the Ethernet-over-IP protocol
#net.inet.tcp.ecn=1 # 1=Enable the TCP ECN extension
net.inet.gre.allow=1
net.inet.gre.wccp=1
net.inet.carp.allow=1
net.inet.carp.preempt=1 # 1=Enable carp(4) preemption
#net.inet.carp.log=1 # 1=Enable logging of carp(4) packets
#ddb.panic=0 # 0=Do not drop into ddb on a kernel panic
#ddb.console=1 # 1=Permit entry of ddb from the console
#fs.posix.setuid=0 # 0=Traditional BSD chown() semantics
#vm.swapencrypt.enable=0 # 0=Do not encrypt pages that go to swap
#vfs.nfs.iothreads=4 # number of nfsio kernel threads
#net.inet.ip.mtudisc=0 # 0=disable tcp mtu discovery
#kern.usercrypto=0 # 0=disable userland use of /dev/crypto
#kern.splassert=2 # 2=enable with verbose error messages
#machdep.allowaperture=2 # See xf86(4)
#machdep.kbdreset=1 # permit console CTRL-ALT-DEL to do a nice
halt
