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.
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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
