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Followed an excellent thread on configuring network settings. Looks like I got the address right (10.10.150.10/24) as I can ping my local interface (10.10.150.10), and the upstream router's address (10.10.150.4) all day long.

But, I have a route for the 10-net, and the 169.254 net only. pi@harlot:/etc/network $ route -n

Kernel IP routing table
Destination    Gateway   Genmask   Flags  Metric   Ref   Use iface
10.10.150.0    0.0.0.0    255.255.255.0   U   0   0   0  eth0
169.254.0.0    0.0.0.0    255.255.0.0   U 0 0   0 eth0

Anyway, 

sudo route add default gw 192.168.0.1 netmask 255.255.255.0 eth0
FAILS to: SIOCADDRT: Network is unreachable.

I am obviously missing something....

/etc/network/interfaces has what seems to be the right stuff:

auto eth0
address 10.10.150.10
netmask 255.255.255.0
gateway 192.168.0.1

A little hazy on bringing interfaces up and down; I did a sudo ip link set eth0 up and pings looked good ...

But, no can add the route!! Anybody see the error in my ways?

Using Raspbian (Debian) v. 8 (jessie).

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  • And the upstream router can ping the 192.168.0.1 fine, and can ping the Pi box's 10.10.150.10 as well. The router has routes everywhere --can ping 4.2.2.2 etc (its a Juniper EX3200 switch w/ vlan interfaces, works great).
    – elecht
    Jan 13, 2016 at 15:21

2 Answers 2

Reset to default
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How would you reach 192.168.0.1 if you are in 10.10.150.0/24 subnet ? You should rather have on the pi : sudo route add default gw 10.10.150.4 netmask 0.0.0.0 eth0

Your packets will be routed to the router and the router will send them to 192.168.0.1 if it is configured to.

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    Dang, I figured it out about 8:30 last night. BEATING myself over missing it. I needed my next-hop, 10.10.150.4; 192.168.0.1 could work on another platform as a qualified-next-hop. So, Raspberian snarled at me 'cause it had no idea where the heck that subnet was. It was trying to tell me.
    – elecht
    Jan 14, 2016 at 17:47
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Dang, I figured it out about 8:30 last night. BEATING myself over missing it. I needed my next-hop, 10.10.150.4; 192.168.0.1 could work on another platform as a qualified-next-hop. So, Raspberian snarled at me 'cause it had no idea where the heck that subnet was. It was trying to tell me. I have 3 subnets floating around my LAN; 192.168.0.x is handed out by the far-side of DSL box (of course), Vlan10. Threw in 10.10.150.0/24 and 10.10.160.0/24 to get trunking between Juniper and Cisco. Hadn't touched in a while, threw in some servers this week and brain-locked. Great group. Apologies!! I am a meat popsicle. LOVE this forum.

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