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Re: network problem

From: "Kevin D. Colby" <kevin marcal com>
To: redhat-install-list redhat com
Subject: Re: network problem
Date: Wed, 3 Dec 1997 11:25:12 -0600
>Questions:
>     Why do most messages appear in /var/log/messages twice?

I have no idea.

>     Why can't my RH box ping itself?

You have no route to 127.0.0.0.
Furthermore, you couldn't create one because
you don't have a loopback device.

>     Why can't I create a loopback interface?

Ah, good.  You're listening...  ;^)

> If I try to ifconfig lo0 with an IP address, I get an error message...

What error message?

>     Where do those socks go that dissapear in the wash?

They go to me.
I have spent years setting up my sock-laudering racket.
Curses!  You have exposed me!

>Thanks,

You're welcome.

>Tom

        - Kevin Colby
          kevin marcal com

>Substantial config info follows.......

Good job on the info.  ;^)

>---------------------------------------------------------------------------
>-----
>[root marvin /root]# ifconfig -a
>eth0      Link encap:10Mbps Ethernet  HWaddr 00:60:97:14:84:D5
>          inet addr:192.168.100.8  Bcast:192.168.100.255
>Mask:255.255.255.0
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:118 errors:0 dropped:0 overruns:0
>          TX packets:117 errors:0 dropped:0 overruns:0
>          Interrupt:10 Base address:0x6900
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# ping 192.168.100.8
>PING 192.168.100.8 (192.168.100.8): 56 data bytes
>ping: sendto: Network is unreachable
>ping: wrote 192.168.100.8 64 chars, ret=-1
>ping: sendto: Network is unreachable
>ping: wrote 192.168.100.8 64 chars, ret=-1
>
>--- 192.168.100.8 ping statistics ---
>2 packets transmitted, 0 packets received, 100% packet loss
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# ping 192.168.100.4
>PING 192.168.100.4 (192.168.100.4): 56 data bytes
>64 bytes from 192.168.100.4: icmp_seq=0 ttl=32 time=0.8 ms
>64 bytes from 192.168.100.4: icmp_seq=1 ttl=32 time=0.7 ms
>
>--- 192.168.100.4 ping statistics ---
>2 packets transmitted, 2 packets received, 0% packet loss
>round-trip min/avg/max = 0.7/0.7/0.8 ms
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# netstat -rn
>Kernel IP routing table
>Destination     Gateway         Genmask         Flags   MSS Window  irtt
>Iface
>192.168.100.0   0.0.0.0         255.255.255.0   U      1500 0          0
>eth0
>0.0.0.0         192.168.100.8   0.0.0.0         UG     1500 0          0
>eth0
>
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# cat /etc/sysconfig/network
>NETWORKING=yes
>HOSTNAME=marvin.tomshouse.com
>DOMAINNAME=tomshouse.com
>GATEWAY=192.168.100.8
>GATEWAYDEV=eth0
>
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
>DEVICE=eth0
>USERCTL=yes
>ONBOOT=yes
>BOOTPROTO=
>BROADCAST=192.168.100.255
>NETWORK=192.168.100.0
>NETMASK=255.255.255.0
>IPADDR=192.168.100.8
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# cat /etc/hosts
>127.0.0.1       localhost       localhost.localdomain
>192.168.100.4   bugs.tomshouse.com
>192.168.100.3   taz
>192.168.100.8   marvin.tomshouse.com    marvin
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# cat /etc/networks
>loopback 127.0.0.1
>home-net 192.168.100.0
>---------------------------------------------------------------------------
>-----
>[root marvin /root]# tail -100 /var/log/messages
>Dec  2 22:09:10 marvin named[187]: primary zone "100.168.192.IN-ADDR.ARPA"
>loade
>d (serial 1)
>Dec  2 22:09:10 marvin named[187]: primary zone "100.168.192.IN-ADDR.ARPA"
>loade
>d (serial 1)
>Dec  2 22:09:10 marvin named[187]: db.cache: No such file or directory
>Dec  2 22:09:10 marvin named[187]: db.cache: No such file or directory
>Dec  2 22:09:10 marvin named[188]: Ready to answer queries.
>Dec  2 22:09:10 marvin named[188]: Ready to answer queries.
>Dec  2 22:09:14 marvin ypserv[245]: unable to register (YPPROG, YPVERS,
>udp).
>Dec  2 22:09:14 marvin ypserv[245]: unable to register (YPPROG, YPVERS,
>udp).
>Dec  2 22:09:15 marvin amd[267]: My ip addr is 0x864a8c0
>Dec  2 22:09:15 marvin amd[267]: My ip addr is 0x864a8c0
>Dec  2 22:09:15 marvin amd[268]: file server localhost type local starts up
>Dec  2 22:09:15 marvin amd[268]: file server localhost type local starts up
>Dec  2 22:09:16 marvin amd[268]: unable to register (AMQ_PROGRAM,
>AMQ_VERSION, u
>dp)
>Dec  2 22:09:16 marvin amd[268]: unable to register (AMQ_PROGRAM,
>AMQ_VERSION, u
>dp)
>Dec  2 22:09:16 marvin amd[268]: Finishing with status 3
>Dec  2 22:09:16 marvin amd[268]: Finishing with status 3
>Dec  2 22:09:16 marvin amd[269]: linux mount: type nfs
>Dec  2 22:09:16 marvin amd[269]: linux mount: type nfs
>Dec  2 22:09:16 marvin amd[269]: linux mount: version 1
>Dec  2 22:09:16 marvin amd[269]: linux mount: version 1
>Dec  2 22:09:16 marvin amd[269]: linux mount: fd 7
>Dec  2 22:09:16 marvin amd[269]: linux mount: fd 7
>Dec  2 22:09:16 marvin amd[269]: linux mount: hostname 192.168.100.8
>Dec  2 22:09:16 marvin amd[269]: linux mount: hostname 192.168.100.8
>Dec  2 22:09:16 marvin amd[269]: linux mount: port 1023
>Dec  2 22:09:16 marvin amd[269]: linux mount: port 1023
>Dec  2 22:09:16 marvin amd[269]: linux mount: fsname marvin:(pid268)
>Dec  2 22:09:16 marvin amd[269]: linux mount: fsname marvin:(pid268)
>Dec  2 22:09:16 marvin amd[269]: linux mount: type (mntent) auto
>Dec  2 22:09:16 marvin amd[269]: linux mount: type (mntent) auto
>Dec  2 22:09:16 marvin amd[269]: linux mount: opts
>intr,rw,port=1023,timeo=8,ret
>rans=110,indirect,map=/etc/amd.conf
>Dec  2 22:09:16 marvin amd[269]: linux mount: opts
>intr,rw,port=1023,timeo=8,ret
>rans=110,indirect,map=/etc/amd.conf
>Dec  2 22:09:16 marvin amd[269]: linux mount: dir /net
>Dec  2 22:09:16 marvin amd[269]: linux mount: dir /net
>Dec  2 22:09:17 marvin kernel: NFS: notice message: result = -101.
>Dec  2 22:09:17 marvin kernel: NFS: notice message: result = -101.
>Dec  2 22:09:17 marvin kernel: nfs_fhget: getattr error = 101
>Dec  2 22:09:17 marvin kernel: nfs_fhget: getattr error = 101
>Dec  2 22:09:17 marvin kernel: nfs_read_super: get root inode failed
>Dec  2 22:09:17 marvin kernel: nfs_read_super: get root inode failed
>Dec  2 22:09:18 marvin kernel: NFS: notice message: result = -101.
>Dec  2 22:09:18 marvin kernel: NFS: notice message: result = -101.
>Dec  2 22:09:18 marvin kernel: nfs_fhget: getattr error = 101
>Dec  2 22:09:18 marvin kernel: nfs_fhget: getattr error = 101
>Dec  2 22:09:18 marvin kernel: nfs_read_super: get root inode failed
>Dec  2 22:09:18 marvin kernel: nfs_read_super: get root inode failed
>Dec  2 22:09:17 marvin amd[269]: /net: mount: Invalid argument
>Dec  2 22:09:17 marvin amd[269]: /net: mount: Invalid argument
>Dec  2 22:09:18 marvin amd[269]: linux mount: type nfs
>Dec  2 22:09:18 marvin amd[269]: linux mount: type nfs
>Dec  2 22:09:18 marvin amd[269]: linux mount: version 1
>Dec  2 22:09:18 marvin amd[269]: linux mount: version 1
>Dec  2 22:09:18 marvin amd[269]: linux mount: fd 7
>Dec  2 22:09:18 marvin amd[269]: linux mount: fd 7
>Dec  2 22:09:18 marvin amd[269]: linux mount: hostname 192.168.100.8
>Dec  2 22:09:18 marvin amd[269]: linux mount: hostname 192.168.100.8
>Dec  2 22:09:18 marvin amd[269]: linux mount: port 1023
>Dec  2 22:09:18 marvin amd[269]: linux mount: port 1023
>Dec  2 22:09:18 marvin amd[269]: linux mount: fsname marvin:(pid268)
>Dec  2 22:09:18 marvin amd[269]: linux mount: fsname marvin:(pid268)
>Dec  2 22:09:18 marvin amd[269]: linux mount: type (mntent) auto
>Dec  2 22:09:18 marvin amd[269]: linux mount: type (mntent) auto
>Dec  2 22:09:18 marvin amd[269]: linux mount: opts
>intr,rw,port=1023,timeo=8,ret
>rans=110,indirect,map=/etc/amd.conf
>Dec  2 22:09:18 marvin amd[269]: linux mount: opts
>intr,rw,port=1023,timeo=8,ret
>rans=110,indirect,map=/etc/amd.conf
>Dec  2 22:09:18 marvin amd[269]: linux mount: dir /net
>Dec  2 22:09:18 marvin amd[269]: linux mount: dir /net
>Dec  2 22:09:18 marvin amd[269]: /net: mount: Invalid argument
>Dec  2 22:09:18 marvin amd[269]: /net: mount: Invalid argument
>Dec  2 22:09:18 marvin amd[269]: mount_toplvl: Invalid argument
>Dec  2 22:09:18 marvin amd[269]: mount_toplvl: Invalid argument
>Dec  2 22:09:21 marvin sendmail[286]: daemon invoked without full pathname;
> kill
> -1 won't work
>Dec  2 22:09:21 marvin sendmail[287]: starting daemon (8.8.5):
>SMTP+queueing 01:
>00:00
>Dec  2 22:09:24 marvin PAM_pwdb[338]: (su) session opened for user news by
>(uid=
>9)
>Dec  2 22:09:24 marvin PAM_pwdb[338]: (su) session opened for user news by
>(uid=
>9)
>Dec  2 22:09:25 marvin sendmail[353]: WAA00353: from=news, size=114,
>class=0, pr
>i=30114, nrcpts=1, msgid=<199712030309 WAA00353 marvin tomshouse com>,
>relay=new
>s localhost
>Dec  2 22:09:27 marvin innd[365]: SERVER descriptors 256
>Dec  2 22:09:27 marvin kernel: ARP: arp called for own IP address
>Dec  2 22:09:27 marvin sendmail[363]: WAA00353: to=news, ctladdr=news
>(9/13), de
>lay=00:00:02, xdelay=00:00:02, mailer=local, stat=Sent
>Dec  2 22:09:27 marvin innd[365]: SERVER outgoing 243
>Dec  2 22:09:28 marvin innd[365]: SERVER ccsetup control:12
>Dec  2 22:09:28 marvin innd[365]: SERVER lcsetup localconn:14
>Dec  2 22:09:28 marvin innd[365]: SERVER rcsetup remconn:4
>Dec  2 22:09:28 marvin innd[365]: crosspost spawned crosspost:17:proc:369
>Dec  2 22:09:28 marvin innd[365]: overview! spawned overview!:18:proc:370
>Dec  2 22:09:28 marvin innd[365]: SERVER starting
>Dec  2 22:09:29 marvin PAM_pwdb[338]: (su) session closed for user news
>Dec  2 22:09:29 marvin PAM_pwdb[338]: (su) session closed for user news
>Dec  2 22:09:40 marvin in.telnetd[391]: connect from 192.168.100.4
>Dec  2 22:09:42 marvin PAM_pwdb[392]: (login) session opened for user trc
>by trc
>(uid=0)
>Dec  2 22:09:42 marvin PAM_pwdb[392]: (login) session opened for user trc
>by trc
>(uid=0)
>Dec  2 22:09:47 marvin PAM_pwdb[400]: (su) session opened for user root by
>trc(u
>id=0)
>Dec  2 22:09:47 marvin PAM_pwdb[400]: (su) session opened for user root by
>trc(u
>id=0)
>Dec  2 22:10:29 marvin innd[365]: s
>Dec  2 22:10:32 marvin innd[365]: s
>Dec  2 22:10:32 marvin sendmail[653]: WAA00653: from=news, size=705,
>class=0, pr
>i=30705, nrcpts=1, msgid=<199712030310 WAA00653 marvin tomshouse com>,
>relay=new
>s localhost
>Dec  2 22:10:32 marvin kernel: ARP: arp called for own IP address
>Dec  2 22:10:32 marvin sendmail[656]: WAA00653: to=news, ctladdr=news
>(9/13), de
>lay=00:00:00, xdelay=00:00:00, mailer=local, stat=Sent
>Dec  2 22:11:13 marvin in.telnetd[662]: connect from 192.168.100.4
>Dec  2 22:11:15 marvin PAM_pwdb[663]: (login) session opened for user trc
>by trc
>(uid=0)
>Dec  2 22:11:15 marvin PAM_pwdb[663]: (login) session opened for user trc
>by trc
>(uid=0)
>[root marvin /root]# tail -100 /var/log/dmesg
>Console: 16 point font, 400 scans
>Console: colour VGA+ 80x25, 1 virtual console (max 63)
>pcibios_init : BIOS32 Service Directory structure at 0x000faec0
>pcibios_init : BIOS32 Service Directory entry at 0xfb380
>pcibios_init : PCI BIOS revision 2.10 entry at 0xfb3b0
>Probing PCI hardware.
>Warning : Unknown PCI device (8086:7100).  Please read include/linux/pci.h
>Warning : Unknown PCI device (8086:7110).  Please read include/linux/pci.h
>Warning : Unknown PCI device (8086:7111).  Please read include/linux/pci.h
>Warning : Unknown PCI device (8086:7112).  Please read include/linux/pci.h
>Warning : Unknown PCI device (8086:7113).  Please read include/linux/pci.h
>Warning : Unknown PCI device (10b7:9050).  Please read include/linux/pci.h
>Calibrating delay loop.. ok - 36.04 BogoMIPS
>Memory: 30552k/32768k available (700k kernel code, 384k reserved, 796k
>data)
>Swansea University Computer Society NET3.035 for Linux 2.0
>NET3: Unix domain sockets 0.13 for Linux NET3.035.
>Swansea University Computer Society TCP/IP for NET3.034
>IP Protocols: ICMP, UDP, TCP
>VFS: Diskquotas version dquot_5.6.0 initialized
>Checking 386/387 coupling... Ok, fpu using exception 16 error reporting.
>Checking 'hlt' instruction... Ok.
>Linux version 2.0.30 (root porky redhat com) (gcc version 2.7.2.1) #1 Tue
>Apr 22
> 10:49:45 EDT 1997
>Serial driver version 4.13 with no serial options enabled
>tty00 at 0x03f8 (irq = 4) is a 16550A
>tty01 at 0x02f8 (irq = 3) is a 16550A
>Ramdisk driver initialized : 16 ramdisks of 4096K size
>hda: WDC AC33100H, 3020MB w/128kB Cache, LBA, CHS=6136/16/63
>hdc: MATSHITA CR-585, ATAPI CDROM drive
>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>ide1 at 0x170-0x177,0x376 on irq 15
>Floppy drive(s): fd0 is 1.44M
>Started kswapd v 1.4.2.2
>FDC 0 is a post-1991 82077
>md driver 0.35 MAX_MD_DEV=4, MAX_REAL=8
>scsi : 0 hosts.
>scsi : detected total.
>Partition check:
> hda: hda1 hda2 hda3 hda4 < hda5 >
>RAMDISK: Compressed image found at block 0
>VFS: Mounted root (ext2 filesystem).
>aic7xxx: BurstLen = 8 DWDs, Latency Timer = 32 PCLKS
>aic7xxx: devconfig = 0x580.
>aic7xxx: Reading SEEPROM...done.
>aic7xxx: Extended translation disabled.
>aic7xxx: Memory check yields 16 SCBs, paging not enabled.
>AHA-2940 (PCI-bus), I/O 0x6400, Mem 0xe0000000:
>    irq 9
>    bus release time 40 bclks
>    data fifo threshold 100%
>    SCSI CHANNEL A:
>        scsi id 7
>        scsi selection timeout 256 ms
>        scsi bus reset at power-on enabled
>        scsi bus parity enabled
>aic7xxx: Downloading sequencer code...done.
>aic7xxx: Resetting the SCSI bus...done.
>scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 4.0/3.2/4.0
>scsi : 1 host.
>scsi0: Scanning channel A for devices.
>scsi0: Target 2, channel A, refusing synchronous negotiation; using
>asynchronous
> transfers.
>  Vendor: EXABYTE   Model: EXB-8200          Rev: 263H
>  Type:   Sequential-Access                  ANSI SCSI revision: 01
>VFS: Mounted root (ext2 filesystem) readonly.
>Trying to unmount old root ... okay
>Adding Swap: 122972k swap-space (priority -1)
>Detected scsi tape st0 at scsi0, channel 0, id 2, lun 0
>
>
>
>-- 
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