|
Posted by News Reader on April 28, 2008, 1:52 pm
If you were Registered and logged in, you could reply and use other advanced thread options
>> Whatever I Fear wrote:
>>> We have an IPSec tunnel required for a client to pass certain types of
>>> traffic, but multicast must also be passed.
>>> I stumbled across this from Cisco:
>> "Where" you stumbled across it is relevant.
>>
>> When I did a search for CSCdu87170, I found it first in a section titled
>> "Resolved Caveats—Cisco IOS Release 12.1(12)"
>>
>> Resolved, as in "fixed".
>>
>> http://www.cisco.com/en/US/docs/ios/12_1/relnotes/crossplatform/relea...
>>
>> Your platform (not stated), and the IOS release (not stated) you are
>> using are determining factors in whether a workaround is needed.
>>
>>
>>> CSCdu87170
>>> o IP multicast traffic cannot be sent over a Generic Routing
>>> Encapsulation (GRE) tunnel if IP Security (IPSec) is configured on the
>>> tunnel. Other routing protocols may continue to work normally.
>>> o Workaround: Remove IP Security (IPSec) configuration from the tunnel
>>> or send IP multicast traffic over a different unencrypted tunnel.
>>> I want to confirm is this is the case? If so, is there a way that this
>>> can be done? And if not, would the most logical option be to just make
>>> a straight GRE tunnel without IPSec and how does one configure
>>> Multicast dense-mode over a tunnel.
>>> I believe you just enable "ip multicast-routing" and "ip pim dense-
>>> mode" on each relevent interface correct?
>>> I appreciate any thoughts, thanks!
>> Best Regards,
>> News Reader- Hide quoted text -
>>
>> - Show quoted text -
>
>
>
> I see, thank you for pointing that out, I did not notice the
> 'resolved', I appreciate it
The particular document I referred too, stated it was resolved (Cisco
IOS Release 12.1(12)).
You need to determine whether your installed IOS release pre-dates the
fix, or not.
Best Regards,
News Reader
| 
NewsGroups 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML site map