[GTALUG] 2 networks under ip (iproute2)

[William Park]

169.254. looks awfully familiar, and it only comes up when device can't
get IP.  Things would go easier if HDHomerun got an IP from the router.
-- 
William

On Fri, Feb 27, 2015 at 02:21:36AM -0500, Walter Dnes wrote:
>   This is frustrating, because it works for me under ifconfig, but not
> under ip (iproute2).  I have 3 devices in this scenario...
> 
> * my desktop PC 192.168.123.251/29
> * an HDHomerun TV tuner that comes up in the 169.254.0.0/16 block
> * the ADSL router/modem at 192.168.123.254/29 to which the PC and the
>   tuner are connected.
> 
>   I'm trying to get my desktop PC to talk to the TV tuner using ip.
> What am I doing wrong in the following set of commands?
> 
> ip address flush dev eth0
> ip link set eth0 down
> ip link set eth0 up
> ip address add 192.168.123.251/29 dev eth0
> ip route add default via 192.168.123.254
> ip address add 169.254.1.1/16 dev eth0
> ip route delete 169.254.0.0/16 dev eth0
> ip route add 169.254.0.0/16 via 192.168.123.254
> ip address show
> ip route show
> 
>   The ouput from the 2 "show" commands is...
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
>        valid_lft forever preferred_lft forever
> 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
>     link/ether 00:1d:09:96:6c:1c brd ff:ff:ff:ff:ff:ff
>     inet 192.168.123.251/29 scope global eth0
>        valid_lft forever preferred_lft forever
>     inet 169.254.1.1/16 scope global eth0
>        valid_lft forever preferred_lft forever
> default via 192.168.123.254 dev eth0 
> 127.0.0.0/8 dev lo  scope host 
> 169.254.0.0/16 via 192.168.123.254 dev eth0 
> 192.168.123.248/29 dev eth0  proto kernel  scope link  src 192.168.123.251
> 
> -- 
> Walter Dnes <waltdnes at waltdnes.org>
> ---
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