Re: Share internet connection/make a small server

Monday, 29 August 2005

Am Mo, den 29.08.2005 schrieb Antonio Olivares um 2:51:

...
    Recently at work, the network administrators
 changed from static ip's to dhcp.  They made changes
 to use static dhcp using the mac address of the
 machines connected to the network.  Before I could
 connect to the network using something like

 [root@rio ~]# ifconfig eth0 10.154.20.157 netmask
 255.255.248.0
 [root@rio ~]# route add default gateway 10.154.16.1
 [root@rio ~]# echo nameserver 10.128.0.4 >>
 /etc/resolv.conf 
Why did you do that manually and not let the network scripts do their
job?

...
 Here's the info of that machine's connection after
 system administrator connected the machine using mac
 address.

 [root@rio ~]# ifconfig -a
 eth0      Link encap:Ethernet  HWaddr
 00:50:2C:A6:19:28
          inet addr:10.154.19.136  Bcast:10.154.19.255
  Mask:255.255.255.0 
You hopefully have seen that things changed here: not only the IP
address, but too the subnet mask changed from 255.255.248.0 to
255.255.255.0. Said that your next posting shows in ifcfg-eth0
"NETMASK=255.255.248.0" which does not reflect this change.

...
 Now I cannot get network access.  Even with dhcp
 enabled.  The network identifies the mac address of
 the machine and assigns the same ip throughout.   
...
 Antonio 
Alexander

-- 
Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
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