Re: Troubleshooting connection loss (novice question)
- From: Allen Weiner <alweiner7@xxxxxxxxxxx>
- Date: Wed, 31 Oct 2007 18:34:21 GMT
Bit Twister wrote:
On Wed, 31 Oct 2007 01:01:10 GMT, Allen Weiner wrote:<snip revised script source code and sample output>Bit Twister: Your script dump_net.txt Ver 3.4 appears to have some problems with respect to Fedora. I'd like to repair my copy of it. I have zero experience with bash scripting.
I wonder if you had a cut and paste problem.
Just boot fc7 and it works for me. I did make some changes so here is a new copy followed by my fc7 a.txt dump.
Thanks very much. I ran the revised script. Here is my output:
Wed Oct 31 11:17:28 EDT 2007
======== cat /etc/fedora-release /etc/redhat-release ==========
Fedora release 7 (Moonshine)
Fedora release 7 (Moonshine)
======== uname -rvi =============
2.6.23.1-10.fc7 #1 SMP Fri Oct 19 15:39:08 EDT 2007 i386
======== cat /etc/subversion ==========
cat: /etc/subversion: Is a directory
======== cat /proc/version ==========
Linux version 2.6.23.1-10.fc7 (kojibuilder@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.2 20070925 (Red Hat 4.1.2-27)) #1 SMP Fri Oct 19 15:39:08 EDT 2007
======== lsb_release -a ==========
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: Fedora
Description: Fedora release 7 (Moonshine)
Release: 7
Codename: Moonshine
msec security level is
======== free ==========
total used free shared buffers cached
Mem: 125132 117412 7720 0 1440 42032
-/+ buffers/cache: 73940 51192
Swap: 771080 198604 572476
======== chkconfig --list ==========
Double check if /avahi/ needs to be disabled on boot
avahi-daemon 0:off 1:off 2:off 3:on 4:on 5:on 6:off
avahi-dnsconfd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
Double check if /named/ needs to be disabled on boot
named 0:off 1:off 2:off 3:off 4:off 5:off 6:off
ConsoleKit 0:off 1:off 2:off 3:on 4:on 5:on 6:off
NetworkManager 0:off 1:off 2:off 3:off 4:off 5:off 6:off
NetworkManagerDispatcher 0:off 1:off 2:off 3:off 4:off 5:off 6:off
acpid 0:off 1:off 2:off 3:on 4:on 5:on 6:off
anacron 0:off 1:off 2:on 3:on 4:on 5:on 6:off
apmd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
atd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
autofs 0:off 1:off 2:off 3:on 4:on 5:on 6:off
avahi-daemon 0:off 1:off 2:off 3:on 4:on 5:on 6:off
avahi-dnsconfd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
bluetooth 0:off 1:off 2:on 3:on 4:on 5:off 6:off
capi 0:off 1:off 2:off 3:off 4:off 5:off 6:off
cpuspeed 0:off 1:on 2:on 3:on 4:on 5:off 6:off
crond 0:off 1:off 2:on 3:on 4:on 5:on 6:off
cups 0:off 1:off 2:on 3:on 4:on 5:off 6:off
dhcdbd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
dund 0:off 1:off 2:off 3:off 4:off 5:off 6:off
firestarter 0:off 1:off 2:on 3:on 4:on 5:on 6:off
firstboot 0:off 1:off 2:off 3:on 4:off 5:off 6:off
gkrellmd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
gpm 0:off 1:off 2:on 3:on 4:on 5:on 6:off
haldaemon 0:off 1:off 2:off 3:on 4:on 5:on 6:off
hddtemp 0:off 1:off 2:off 3:off 4:off 5:on 6:off
hidd 0:off 1:off 2:on 3:on 4:on 5:off 6:off
hplip 0:off 1:off 2:on 3:on 4:on 5:off 6:off
httpd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
ip6tables 0:off 1:off 2:on 3:on 4:on 5:off 6:off
iptables 0:off 1:off 2:off 3:off 4:off 5:on 6:off
irda 0:off 1:off 2:off 3:off 4:off 5:off 6:off
irqbalance 0:off 1:off 2:on 3:on 4:on 5:off 6:off
isdn 0:off 1:off 2:on 3:on 4:on 5:off 6:off
kdump 0:off 1:off 2:off 3:off 4:off 5:off 6:off
kudzu 0:off 1:off 2:off 3:on 4:on 5:on 6:off
lisa 0:off 1:off 2:off 3:off 4:off 5:off 6:off
lm_sensors 0:off 1:off 2:on 3:on 4:on 5:off 6:off
mcstrans 0:off 1:off 2:on 3:on 4:on 5:on 6:off
mdmonitor 0:off 1:off 2:on 3:on 4:on 5:off 6:off
messagebus 0:off 1:off 2:off 3:on 4:on 5:on 6:off
named 0:off 1:off 2:off 3:off 4:off 5:off 6:off
nasd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
netconsole 0:off 1:off 2:off 3:off 4:off 5:off 6:off
netfs 0:off 1:off 2:off 3:on 4:on 5:off 6:off
netplugd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
network 0:off 1:off 2:on 3:on 4:on 5:on 6:off
nfs 0:off 1:off 2:off 3:off 4:off 5:off 6:off
nfslock 0:off 1:off 2:off 3:on 4:on 5:off 6:off
nscd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
ntpd 0:off 1:off 2:off 3:off 4:off 5:on 6:off
pand 0:off 1:off 2:off 3:off 4:off 5:off 6:off
psacct 0:off 1:off 2:off 3:off 4:off 5:off 6:off
rdisc 0:off 1:off 2:off 3:off 4:off 5:off 6:off
readahead_early 0:off 1:off 2:on 3:on 4:on 5:on 6:off
readahead_later 0:off 1:off 2:off 3:off 4:off 5:on 6:off
restorecond 0:off 1:off 2:on 3:on 4:on 5:on 6:off
rpcbind 0:off 1:off 2:off 3:on 4:on 5:off 6:off
rpcgssd 0:off 1:off 2:off 3:on 4:on 5:off 6:off
rpcidmapd 0:off 1:off 2:off 3:on 4:on 5:off 6:off
rpcsvcgssd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
saslauthd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
sendmail 0:off 1:off 2:on 3:on 4:on 5:on 6:off
smartd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
spamassassin 0:off 1:off 2:off 3:off 4:off 5:off 6:off
sshd 0:off 1:off 2:on 3:on 4:on 5:off 6:off
syslog 0:off 1:off 2:on 3:on 4:on 5:on 6:off
tomcat5 0:off 1:off 2:off 3:off 4:off 5:off 6:off
vncserver 0:off 1:off 2:off 3:off 4:off 5:off 6:off
winbind 0:off 1:off 2:off 3:off 4:off 5:off 6:off
wpa_supplicant 0:off 1:off 2:off 3:off 4:off 5:off 6:off
xfs 0:off 1:off 2:on 3:on 4:on 5:on 6:off
ypbind 0:off 1:off 2:off 3:off 4:off 5:off 6:off
yum-updatesd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
======== grep hosts: /etc/nsswitch.conf ==========
#hosts: db files nisplus nis dns
hosts: files dns
======== grep -v '^#' /etc/resolv.conf ==========
; generated by /sbin/dhclient-script
search myhome.westell.com
nameserver 192.168.1.1
nameserver 192.168.1.1
======== hostname ==========
localhost.localdomain
======== grep eth /etc/mod*.conf ==========
alias eth0 e100
======== grep -v '^#' /etc/host.conf ==========
order hosts,bind
================ ifconfig -a ===============
eth0 Link encap:Ethernet HWaddr 00:07:E9:01:B2:09
inet addr:192.168.1.47 Bcast:255.255.255.255 Mask:255.255.255.0
inet6 addr: fe80::207:e9ff:fe01:b209/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2135 errors:0 dropped:0 overruns:0 frame:0
TX packets:1219 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:410068 (400.4 KiB) TX bytes:117488 (114.7 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3558 errors:0 dropped:0 overruns:0 frame:0
TX packets:3558 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6093762 (5.8 MiB) TX bytes:6093762 (5.8 MiB)
============== route -n =================
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
======== cat /etc/sysconfig/network ==========
NETWORKING=yes
HOSTNAME=localhost.localdomain
============== head -15 /etc/hosts ===============
======== mii-tool -v eth0 ==========
eth0: negotiated 100baseTx-FD, link ok
product info: Intel 82555 rev 4
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
======== dmesg | grep eth0 ==========
e100: eth0: e100_probe: addr 0xfc9ff000, irq 11, MAC addr 00:07:E9:01:B2:09
ADDRCONF(NETDEV_UP): eth0: link is not ready
e100: eth0: e100_watchdog: link up, 100Mbps, full-duplex
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=360 DF PROTO=TCP SPT=1030 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=373 DF PROTO=TCP SPT=1030 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
eth0: no IPv6 routers present
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=257 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=237
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=257 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=237
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=257 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=237
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=165 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=145
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=106 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=86
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=74 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=54
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=289 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=269
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=289 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=269
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=289 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=269
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=262 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=242
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=217 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=197
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=137 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=117
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=90 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=70
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=262 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=242
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=217 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=197
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=165 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=145
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=106 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=86
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=74 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=54
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=262 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=242
Inbound IN=eth0 OUT= MAC= SRC=192.168.1.47 DST=224.0.0.251 LEN=217 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=197
Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=460 DF PROTO=TCP SPT=1030 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=477 DF PROTO=TCP SPT=1031 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=490 DF PROTO=TCP SPT=1031 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=491 DF PROTO=TCP SPT=1031 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
<snip remainder of dmesg. its hundreds more of these tcp/ip transmissions logged by Firestarter/iptables>
======== cat /etc/sysconfig/network-scripts/ifcfg-eth0 ==========
# Intel Corporation 82557/8/9 [Ethernet Pro 100]
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=dhcp
HWADDR=00:07:e9:01:b2:09
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=yes
======== dmesg | grep eth1 ==========
======== dmesg | grep eth2 ==========
======= grep eth0 /var/log/messages | tail -10 =========
Oct 31 11:15:05 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2031 DF PROTO=TCP SPT=1106 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:15:29 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2032 DF PROTO=TCP SPT=1106 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:15:47 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2049 DF PROTO=TCP SPT=1107 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:15:53 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2050 DF PROTO=TCP SPT=1107 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:16:17 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2051 DF PROTO=TCP SPT=1107 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:16:34 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2061 DF PROTO=TCP SPT=1108 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:16:40 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2062 DF PROTO=TCP SPT=1108 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:17:04 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2064 DF PROTO=TCP SPT=1108 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:17:22 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2081 DF PROTO=TCP SPT=1109 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
Oct 31 11:17:27 localhost kernel: Inbound IN=eth0 OUT= MAC=00:07:e9:01:b2:09:00:18:3a:53:f7:fb:08:00 SRC=192.168.1.1 DST=192.168.1.47 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=2082 DF PROTO=TCP SPT=1109 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
======== grep -v '^#' /etc/hosts.allow ==========
======== grep -v '^#' /etc/hosts.deny ==========
======= end of config/network data dump ===========
.
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