Urgent 4.9 networking problems

Dave Raven dave at raven.za.net
Thu Jun 24 13:55:39 PDT 2004

Hi all, 
	I really need some urgent help with this I'm completely confused. I
have a FreeBSD 4.9 machine running ipfilter ipnat vrrp and a few other
services, today is the first time I tried to access through the specific
method but now every interface and every local address I try has the same
problem. I can ping anything - but any other kind of traffic waits for about
2 minutes before transmitting - this is true with tcp and udp. I'm trying to
access machines on the same network - and if I ping -R you can see the same
effect - pasted below. I've also included the interface that I'm trying to
do this on although it seems to be happening on all my other interfaces..
I try to telnet to a cisco router that's on a switch I'm plugged in and I
see the same behaviour - it just waits then suddenly responds very quickly.
My IpFilter rules don't log anything until it responds at which time they
pass it - and tethereal + tcpdump also see if perfectly AFTER the long

It appears that its sitting on the kernel for 2 minutes??? It just does
NOTHING then all of a sudden responds. The only thing I can find that works
is icmp - and perfectly. I'm sorry for the urgency but its very high

Thanks in advance

# ifconfig fxp1
        inet x.y.186.3 netmask 0xffffff00 broadcast x.y.186.255
        inet x.y.186.1 netmask 0xffffffff broadcast x.y.186.1
        inet x.y.186.15 netmask 0xffffffff broadcast x.y.186.15
        inet x.y.186.14 netmask 0xffffffff broadcast x.y.186.14
        inet x.y.186.142 netmask 0xffffffff broadcast x.y.186.142
        inet x.y.186.33 netmask 0xffffffff broadcast x.y.186.33
        inet x.y.186.124 netmask 0xffffffff broadcast x.y.186.124
        inet x.y.186.250 netmask 0xffffffff broadcast x.y.186.250
        inet x.y.186.122 netmask 0xffffffff broadcast x.y.186.122
        inet x.y.186.25 netmask 0xffffffff broadcast x.y.186.25
        inet x.y.186.127 netmask 0xffffffff broadcast x.y.186.127

# date ; ping -R -c1 x.y.186.253 ; date
Thu Jun 24 22:43:13 SAST 2004
PING x.y.186.253 ( 56 data bytes
64 bytes from x.y.186.253: icmp_seq=0 ttl=255 time=0.414 ms
RR:     x.y.186.253

--- x.y.186.253 ping statistics ---
1 packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.414/0.414/0.414/0.000 ms
Thu Jun 24 22:46:58 SAST 2004

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