Mailinglist Archive: opensuse (924 mails)

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Re: [opensuse] SuseFirewall2 does not allow pings to ext network?
On 10/31/2012 2:44 AM, Per Jessen wrote:
Marc Chamberlin wrote:

Well, absolutely nothing is logged when I try to ping devices in the
external 169.254.1.x net from the internal 192.168.2.x network!
You are aware that 169.254 is link-local, it won't pass any routing or
forwarding?


Oh boy! Thanks Per Jessen, I think you have hit on the reason I am unable to ping these devices on my external network! I did some research on link-local addressees and what they are, and learned something new! ;-) I am actually locked in to using the 169.254.1.x network addresses because my external network devices are Motorola Canopy wireless access points and subscriber modules. These are used to provide wireless internet service links over distances of up to 30 miles and are usually mounted on towers. Kinda makes it difficult to get at them easily ;-) and while I can (temporarily) change their address to anything I want, Motorola has designed these such that in the event of a reboot or power failure/restart they will not boot up with any address other than one in the 169.254.1.x address space. So I gave up on trying to use a different (more common) address space for them. But this link-local restriction is sure inconvenient because it means I can only test and configure them from my firewall computer, and not from any other place within my local networks. Sigh...

Marc...


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"The Truth is out there" - Spooky

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