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FYI: I've read everything on Serverfault related to this question and have faced a different issue.

Simply put, I've got one server (apache2) with couple of sites on it. It currently has 1 ip. I'm trying to assign/add another ip to that server, so I can give each site a different ip for ssl purposes.

I am not lucking out. The new ip simply is unreachable, I've pinged it. This is what I've got below, what am I doing wrong.

auto lo
iface lo inet loopback

auto eth0 eth0:0 eth0:1

iface eth0 inet static
address 70.116.5.244
netmask 255.255.255.0
gateway 70.116.5.1

#THE NEW IP
iface eth0:0 inet static
address 26.175.217.102
netmask 255.255.255.0

#PRIVATE IP
iface eth0:1 inet static
address 192.168.158.88
netmask 255.255.128.0

NOTE: THESE IP'S ARE TWEAKED BUT RELATIVE

I've read many questions here 90% similar to this but most actually have the IP respond, not this case. Thanks

netstar -r output

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
default         gw-u6.linode.co 0.0.0.0         UG        0 0          0 eth0
70.116.5.0      *               255.255.255.0   U         0 0          0 eth0
26.175.217.0    *               255.255.255.0   U         0 0          0 eth0
192.168.128.0   *               255.255.128.0   U         0 0          0 eth0
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  • 1. Is there any netfilter involvement? 2. Why not just work this through linode support?
    – EEAA
    Nov 24, 2012 at 7:03
  • 2
    Your example IPs are in different netblocks (I'm assuming this is similar to the actual setup). I notice that you have a gateway set for eth0, but not eth0:0. Can you show the output of netstat -r? I suspect (but am not sure) that the return path doesn't know where to go.
    – jackhamm
    Nov 24, 2012 at 7:16
  • Added netstat -r output in question. @EEAA linode does not have support such issues.
    – andrewk
    Nov 24, 2012 at 7:21
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    I've been a linode customer for 7 years. Give their support a try. At the very least, they'll point you to a library article with copypasta for your distro.
    – EEAA
    Nov 24, 2012 at 7:26
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    The requirement to reboot your Linode VPS is documented in the Linode Library, as well as in the Linode wiki. Nov 24, 2012 at 13:57

2 Answers 2

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Linode requires that you reboot your node after adding the additional IP to it before their routing will work.

Have you done that?

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  • Confused reboot with server restart. +1
    – andrewk
    Nov 24, 2012 at 19:09
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  1. Where did you try to ping from -> to ?

  2. Can you ping the new address locally. from it self?

    2.1. If not, try to add it some the broadcast (the last ip in the network ) and add default routes to the network

  3. I can see your netstat -r point to * in the gateway output, they normally points to 0.0.0.0 as they are virtual addresses they should be using the primary network as gateway eth0. But the virtual addresses was physical, then you could have assigned each card they own gateway.

Therefore give the eth0:0 and eth0:1 the broadcast information default gateway set to 0.0.0.0 and set up a route for them to point all to route everythin to the primary network.

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