Curious choices made by Cisco/Tandberg
mohacsi at niif.hu
Fri Mar 4 10:59:59 CET 2011
On Thu, 3 Mar 2011, Andrew Yourtchenko wrote:
> On Thu, Mar 3, 2011 at 4:35 PM, Bill Owens <owens at nysernet.org> wrote:
>> We have a Cisco/Tandberg H.323 endpoint, the C20 model. This week the network engineer who takes care of it decided to do a code upgrade to fix a security problem, and found out that the firmware now supports IPv6. Good news, right? Well, not exactly:
>> Network [1..1] IPStack
>> Select which internet protocols the system will support.
>> Requires user role: ADMIN
>> Value space: <IPv4/IPv6>
>> IPv4: IP version 4 is supported.
>> IPv6: IP version 6 is supported. The IPv4 settings (IP Address, IP Subnet Mask and Gateway) will be disabled.
>> ^^^^ ^^ ^^^^^^^^
>> Yes, that's right, you can have IPv6, but only if you're willing to forego IPv4. On the one hand, I want to applaud their optimism. But I'm too stunned by the cluelessness. . .
> This avoids (by way of a tough administrative choice) a whole class of
> problems that the Happy Eyeballs draft aims to solve.
Not at all. Most of the protocol used IP telephony and IP
videoconferencing is not TCP or more complex than happy-eyeball can
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