I have CentOS 4 running on an old (early model) p3 with 64 MB RAM. It is acting as a router and firewall for my LAN.
CentOS is doing a really good job with Shorewall + DHCPd - on a 10 Mbps cable modem, I see ~ 9.7 Mbps of throughput even when numerous tcp streams to different LAN hosts are running.
I would like to add a virtual interface to one of my LAN interfaces.
My LAN interface (/etc/sysconfig/network-scripts/ifcfg-eth2) looks like:
DEVICE=eth2 BOOTPROTO=static BROADCAST=192.168.10.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.10.1 NETMASK=255.255.255.0 NETWORK=192.168.10.0 ONBOOT=yes TYPE=Ethernet
would adding the below:
/etc/sysconfig/network-scripts/ifcfg-eth2:0
DEVICE=eth2:0 BOOTPROTO=static BROADCAST=192.168.20.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.20.1 NETMASK=255.255.255.0 NETWORK=192.168.20.0 ONBOOT=yes TYPE=Ethernet
Would this create a virtual interface eth0:0 with the IP address 192.168.20.1?
Thanks in advance.
Ryan wrote:
I would like to add a virtual interface to one of my LAN interfaces.
would adding the below:
/etc/sysconfig/network-scripts/ifcfg-eth2:0
DEVICE=eth2:0 BOOTPROTO=static BROADCAST=192.168.20.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.20.1 NETMASK=255.255.255.0 NETWORK=192.168.20.0 ONBOOT=yes TYPE=Ethernet
Would this create a virtual interface eth0:0 with the IP address 192.168.20.1?
Should work. You might need to remove HWADDR line.
I don't know if this has been changed, but be aware that (at least as of red hat 7.3) setting ONBOOT=no doesn't work for virtual interfaces, at least if one of the virtual interfaces on that physical interface is set to ONBOOT=yes.
Learned that one the hard way recently.
On Tue, Sep 27, 2005 at 10:24:26PM -0500, Aleksandar Milivojevic wrote:
Ryan wrote:
I would like to add a virtual interface to one of my LAN interfaces.
would adding the below:
/etc/sysconfig/network-scripts/ifcfg-eth2:0
DEVICE=eth2:0 BOOTPROTO=static BROADCAST=192.168.20.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.20.1 NETMASK=255.255.255.0 NETWORK=192.168.20.0 ONBOOT=yes TYPE=Ethernet
Would this create a virtual interface eth0:0 with the IP address 192.168.20.1?
Should work. You might need to remove HWADDR line. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
danno -- dan pritts - systems administrator - internet2 734/352-4953 office 734/834-7224 mobile
On Sep 27, 2005, at 10:42 PM, Ryan wrote:
I have CentOS 4 running on an old (early model) p3 with 64 MB RAM. It is acting as a router and firewall for my LAN.
CentOS is doing a really good job with Shorewall + DHCPd - on a 10 Mbps cable modem, I see ~ 9.7 Mbps of throughput even when numerous tcp streams to different LAN hosts are running.
I would like to add a virtual interface to one of my LAN interfaces.
My LAN interface (/etc/sysconfig/network-scripts/ifcfg-eth2) looks like:
DEVICE=eth2 BOOTPROTO=static BROADCAST=192.168.10.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.10.1 NETMASK=255.255.255.0 NETWORK=192.168.10.0 ONBOOT=yes TYPE=Ethernet
would adding the below:
/etc/sysconfig/network-scripts/ifcfg-eth2:0
DEVICE=eth2:0 BOOTPROTO=static BROADCAST=192.168.20.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.20.1 NETMASK=255.255.255.0 NETWORK=192.168.20.0 ONBOOT=yes TYPE=Ethernet
Would this create a virtual interface eth0:0 with the IP address 192.168.20.1?
Thanks in advance. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
That config looks good, except it will create eth2:0 not eth0:0(probably a typo). I'm not sure which is better to do(or if it even matters), but on my virtual interfaces I do not have "TYPE=Ethernet" or "HWADDR=..." in my config file.
--Bill
Here is a really useful hint if you don't know the syntax of a config file... http://webmin.com
Ryan wrote:
I have CentOS 4 running on an old (early model) p3 with 64 MB RAM. It is acting as a router and firewall for my LAN.
CentOS is doing a really good job with Shorewall + DHCPd - on a 10 Mbps cable modem, I see ~ 9.7 Mbps of throughput even when numerous tcp streams to different LAN hosts are running.
I would like to add a virtual interface to one of my LAN interfaces.
My LAN interface (/etc/sysconfig/network-scripts/ifcfg-eth2) looks like:
DEVICE=eth2 BOOTPROTO=static BROADCAST=192.168.10.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.10.1 NETMASK=255.255.255.0 NETWORK=192.168.10.0 ONBOOT=yes TYPE=Ethernet
would adding the below:
/etc/sysconfig/network-scripts/ifcfg-eth2:0
DEVICE=eth2:0 BOOTPROTO=static BROADCAST=192.168.20.255 HWADDR=00:60:08:C3:F9:71 IPADDR=192.168.20.1 NETMASK=255.255.255.0 NETWORK=192.168.20.0 ONBOOT=yes TYPE=Ethernet
Would this create a virtual interface eth0:0 with the IP address 192.168.20.1?
Thanks in advance. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
-
Aleksandar Milivojevic -
Bill Baird -
Dan Pritts -
Ryan -
Tony Wicks