[SunHELP] Default gateway cannot be set

Thu Dec 6 07:17:44 CST 2001

The best way to change this information is to use "sys-unconfig"  this will
change almost everything.  You will still have to set the default route in
/etc/defaultrouter (put IP in this file).   Setup /etc/resolv.conf if using
DNS.  Follow the steps below and you shouldn't have any problems:

How to configure a system to run on a network:

 1.  /etc/hosts
         This file is used to resolve host name into IP
         addresses.  This file must be updated if no
         naming service is being used.

         This file should contain the IP and host name
         of each system on the local network, including
         any gateways or routers.

     Example:
         127.0.0.1 localhost  
         129.145.71.109 kishori loghost  #this is the IP and host 
                                         #name for the local machine 
         129.145.71.110 sage             #this is the IP and host
                                         #name for a host on the network

 2.  #ifconfig -a
         Be sure that both the loopback and network interface
         are up and running.

     Example:
         lo0: flags=849<UP,LOOPBACK,RUNNING,MULTICAST> mtu 8232
         inet 127.0.0.1 netmask ff000000 
         le0: flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST> mtu 1500
         inet 129.145.71.109 netmask ffffff00 broadcast 129.145.71.255

         If the interface to the network is not up and running do the
following:

                 #ifconfig le0 plumb

         NOTE:  The default may be hme0 (for most Ultra machines)

 3.  /etc/netmasks

         This file should contain the netmasks.  If you are using the
         default netmasks and it appears in ifconfig -a, this file is
         not necessary.

     Example:

         # The netmasks file associates Internet Protocol (IP) address
         # masks with IP network numbers.
         # 
         #       network-number  netmask
         #
         # Both the network-number and the netmasks are specified in
         # "decimal dot" notation, e.g:
         #
         #               128.32.0.0 255.255.255.0
         #
         129.145.0.0     255.255.255.0

 4.  /etc/defaultrouter

         If you want to define a default router include the router name in
this 
         file.

 5.  /etc/hostname.le0 or /etc/hostname.hme0  (depending on you interface
type)

         This file should contain the name of the local host.

 6.  /etc/resolv.conf

         If you are using dns this file should contain the
         name of the domain and the IP address of the nameserver.
         It is acceptable to list more than one nameserver (up to 4).
         The nameservers will be consulted in the order listed.
         Be careful this file is very sensitive to extra spaces and tabs.

     Example:

         domain support.Corp.Sun.Com
         nameserver      129.150.254.2

 7.  /etc/nsswitch.conf
         Check this file for the appropriate entries.  If a naming
         service is being used this file should reflect that.

 8.  It is a good idea to reboot the system at this point.
     Check to see if the network is working by pinging other
     machines both inside and outside of your network.

Dennis Lund

-----Original Message-----
From: Christopher Smiga [mailto:csmiga at yahoo.com]
Sent: Thursday, December 06, 2001 3:08 AM
To: sunhelp at sunhelp.org
Subject: RE: [SunHELP] Default gateway cannot be set

I usually leave the "loghost" value with the 127.0.0.1 (loopback) address.
Eve so, everything looks fine. Double check your IP address, subnet masks,
defaulter router, broadcast address, etc.

Christopher Smiga

-----Original Message-----
From: sunhelp-admin at sunhelp.org [mailto:sunhelp-admin at sunhelp.org]On Behalf
Of sugit at nttdata.co.jp
Sent: Thursday, December 06, 2001 2:38 AM
To: sunhelp at sunhelp.org
Subject: [SunHELP] Default gateway cannot be set

Hi

I am working on Ultra60 to join it into our developing embironment.
I changed ipaddress by

ifconfig hmeX 192.xxx.xxx.xxx netmask 255.x.x.x broadcast 192.xxx.xxx.xxx
ifconfig hmeX down
ifconfig hmeX up

I set hostname to Ultra60 by configuring

/etc/hosts/

192.xxx.xxx.xxx sample sample. loghost

/etc/hostname.hme0

sample

/etc/defaultrouter

192.xxx.xxx.xyz

After the configuration, I rebooted Ultra60.

While it was rebooted, the message ingicated the bad hostname and
defaultgateway has not been set.
Interface also lost the latest ipconfiguration.

I want to configure the network correctly.
If there are part that I am missing to do, plese tell me what is wrong.

Thanks
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