[ale] One NIC, two IP addresses on different VLANs?

[LnxGnome]

Raj,

The #:# notation, like "eth0:0", implies an alias (secondary IP).

The #.# notation, like "eth0.0", implies a vlan (use vconfig).

On RHEL/CentOS like systems, you can add IPADDR2= and PREFIX2= (or 
NETMASK2=) lines to the config file ifcfg-eth0 to add the IP at boot 
(assuming NetworkManager isn't mangling anything).

--LnxGnome


On 11/18/14 10:38 AM, Chuck Payne wrote:
> Raj,
>
> Have you tried, that so easy to test
>
> ifconfig eth0:1 172.16.1.10 netmask 255.255.0.0
>
> Then try to another ip on that network. If it doesn't work then
>
> ifconfig eth0:1 down
>
> Now I am thinking it might not work because of the vlans.
>
> On Tue, Nov 18, 2014 at 10:30 AM, Raj Wurttemberg <rajaw at c64.us 
> <mailto:rajaw at c64.us>> wrote:
>
>     Is it possible to have a NIC with multiple addresses on different
>     VLANs?
>
>     Example:
>
>     eth0.0 == 10.1.1.10
>     eth0.1 == 172.16.1.10
>
>
>     Kind regards,
>     Raj Wurttemberg
>     rajaw at c64.us <mailto:rajaw at c64.us>
>
>
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