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1. Redhat 7.2 - Setting network device aliases/routes at startup

Dear All

I am trying to configure some aliases on some network devices under
RedHat 7.2.  Currently the setup is as follows

eth0 is set to 11.81.18.202 on startup.

I can issue the following commands:

ifconfig eth0:203 11.81.18.203 broadcast 11.81.18.203 netmask
255.255.255.0
route add -host 11.81.18.203 dev eth0:203

I'd like these actions to occur at startup.  I've figured out how to
get the alias set up by placing a config file, eth0:203, in
/etc/sysconfig/network-scripts.

1. How do I set the static route at startup?  Where are the static
routes that are set up on start up configured from?  Should the same
files be used to configure my new static route?  I've looked in the
redhat docs but am unable to find any info.

On another machine I wish to do a similiar exercise on lo, which is
currently set to 127.0.0.1 on startup. ie

ifconfig lo:203 11.81.18.203 broadcast 11.81.18.203 netmask
255.255.255.255 up
route add -host 11.81.18.203 dev lo:203

2.  Can I use the same processes for the lo device as the eth0 device
or is it more complicated?

3.  What is the standard way to ensure proc devices(?) are initialized
correctly on startup? ie If I wish to ensure

echo "1" >/proc/sys/net/ipv4/conf/all/hidden

which script etc would this normally be set in?

Many thanks

Paul

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