--- Jeff Vian <jvian10@xxxxxxxxxxx> wrote: > On Sun, 2005-08-28 at 17:51 -0700, Antonio Olivares > wrote: > > Dear folks, > > 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 > > > > 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 > > inet6 addr: fe80::250:2cff:fea6:1928/64 > > Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 > > Metric:1 > > RX packets:2511 errors:0 dropped:0 > > overruns:0 frame:0 > > TX packets:1766 errors:0 dropped:0 > > overruns:0 carrier:0 > > collisions:0 txqueuelen:1000 > > RX bytes:1405141 (1.3 MiB) TX > bytes:307686 > > (300.4 KiB) > > Interrupt:11 Base address:0xae00 > > > > > [root@rio ~]# > > > > 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. > > > > Are you getting a gateway route added? > Are you getting a DNS server provided? > > The gateway would need to be in the same (new) class > C address space and > the static gateway entry would need to be removed. > > > I want to add an extra NIC/LAN card to this > machine > > call it eth1 and use the machine as a host for a > small > > network so that I can use/share the internet > access > > with other machines. I ask for advice/help on > this > > issue. I have read the following > > > > http://www.tldp.org/HOWTO/DHCP/index.html > > > > and > > > > > http://www.linux-mag.com/2000-04/networknirvana_01.html > > > > What are the contents of > /etc/sysconfig/network-scripts/ifcfg-eth0 > and /etc/sysconfig/network ? [olivares@rio ~]$ cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO=dhcp BROADCAST=10.154.23.255 IPADDR=10.154.17.34 NETMASK=255.255.248.0 NETWORK=10.154.16.0 ONBOOT=yes TYPE=Ethernet HWADDR=00:50:2c:a6:19:28 USERCTL=no PEERDNS=yes GATEWAY=10.154.16.1 IPV6INIT=no [olivares@rio ~]$ cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=rio [olivares@rio ~]$ > That is where you enable the necessary settings for > hostname, gateway, > etc when doing static IPs, and the settings are > different to use dhcp. > > > but I am not sure how to begin. I have not placed > the > > nic card yet on the machine but I will do so > tomorrow. > > The machine has Fedora Core 3 with an everything > > install. What do I need to setup a mini dhcp > server > > from this machine? > > > > Right now you are trying to set up a dhcp client so > this machine has > access to the internet via eth0. A dhcp server is > also simple, but is > not a factor in the problem you are describing. > > When you set up the dhcp server you will need to > restrict it to > answering only on the appropriate interface and set > the appropriate > address range. You will also have a routing issue > to handle. > > Adding a second nic may have some surprises. It may > get the name eth0 > and the existing one may become eth1, depending on > the order devices are > probed. I have added the second nic. The system detects it as eth1. Thanks Jeff for replying. Now, I will try some of the reading that I previously did and if I get stuck will ask for more advice/help. Kind Regards, Antonio > > > > Thanks in advance, > > > > Antonio > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: > http://www.redhat.com/mailman/listinfo/fedora-list > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
