[Asterisk-Users] RTP routing..

[WipeOut]

Excellent, I will be very interested in your findings because this is 
going to be an issue for me in the not too distant future if things go 
according to plan..

Later..

Low, Adam wrote:

>Hi,
>
>I work for an ISP (c;
>
>So I am going to build over the weekend a single Asterisk (RH9) box with two IP addresses (separate subnets) on the same NIC with a L2 ethernet switch connected then two separate routers (one for each subnet) and then try and make some calls to my production Asterisk box. I'll run EtheReal on the same L2 switch so I can see all the SIP and RTP packets so once its setup it should only take a few test calls to figure out exactly whats going on ...
>
>Adam
>
>  
>
>>-----Original Message-----
>>From: WipeOut [mailto:wipe_out at lycos.co.uk] 
>>Sent: 26 September 2003 13:08
>>To: asterisk-users at lists.digium.com
>>Subject: Re: [Asterisk-Users] RTP routing..
>>
>>
>>Hi Adam,
>>
>>No queuing won't be an option.. all the traffic I am thinking 
>>about will 
>>be voice traffic moving in and out of the Asterisk box..
>>
>>Are you setting up this same senario where you are boing to have two 
>>data paths??
>>
>>Later..
>>
>>Low, Adam wrote:
>>
>>    
>>
>>>WipeOut,
>>>
>>>Well will you really run out of bandwidth ?
>>>
>>>Would that be due to other (normal Internet traffic) traffic 
>>>      
>>>
>>or would it all be RTP traffic, I ask because maybe some kind 
>>of priority queuing might be more effective ...
>>    
>>
>>>It's a good question, the source and destination 
>>>      
>>>
>>address/port of RTP packets is negotiated with SIP and I 
>>strongly suspect that Asterisk will only ever provide the 
>>primary address of an interface as the source (although this 
>>maybe be adjustable with bindaddr config option).
>>    
>>
>>>I've just built a new Asterisk box so am going to try this 
>>>      
>>>
>>out myself ... Will let you know ...
>>    
>>
>>>Rgds, Adam
>>>
>>> 
>>>
>>>      
>>>
>>>>-----Original Message-----
>>>>From: WipeOut [mailto:wipe_out at lycos.co.uk] 
>>>>Sent: 26 September 2003 11:36
>>>>To: asterisk-users at lists.digium.com
>>>>Subject: [Asterisk-Users] RTP routing..
>>>>
>>>>
>>>>Here is a question for all you routing guru's out there..
>>>>
>>>>I am using an ADSL line (512/256Kbps) to connect from the 
>>>>internet to my 
>>>>Asterisk server.. At a point I will run out of bandwidth so 
>>>>the cheapest 
>>>>option would be to add a second ADSL line..
>>>>
>>>>The problem is how will the routing work?
>>>>
>>>>If I put 2 IP's on one NIC will the return traffice be routed 
>>>>back via 
>>>>the gatway of the IP that is was recieved on or will it try 
>>>>        
>>>>
>>and route 
>>    
>>
>>>>all outbound traffic via the primary IP's gateway??
>>>>
>>>>Would it be better to add 2 NICs instead of 2 IP's on one 
>>>>NIC?? although 
>>>>I don't see that this would change the routing logic..
>>>>
>>>>Has anyone played with this type of setup?
>>>>
>>>>later..
>>>>
>>>>   
>>>>
>>>>        
>>>>
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>>    
>>
>
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