[cisco-voip] dial-peer pointing secondary IP address

[NateCCIE]

Generally, BINDS on a multi-interface CUBE are not friendly.  It is much better to let the router use the egress interface as the source IP address.

 

I am not aware of a way to bind to a secondary IP, but I would think that if the secondary IP is on a different subnet, it would automatically use that IP if the ip routing table would also source from that IP to the configured destination.

 

-Nate

 

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Anthony Holloway
Sent: Friday, February 19, 2016 8:37 AM
To: Maciej Bylica <mbgatherer at gmail.com>
Cc: Cisco VoIP Group <cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] dial-peer pointing secondary IP address

 

You would bind the SIP outgoing traffic to that new interface on your dial-peers which you would like to use this interface:

 

dial-peer voice 100 voip

 destination-pattern 2...$

 session protocol sipv2

 session-target ipv4:10.1.1.1

 voice-class sip bind control source-interface GigabitEthernet0/0

 voice-class sip bind media source-interface GigabitEthernet0/0

 codec g711ulaw

 dtmf-relay sip-kpml rtp-nte digit-strip

 no vad

!

 

That will make sure that all SIP traffic going to 10.1.1.1 will come from interface G0/0.

 

On Thu, Feb 18, 2016 at 10:22 AM, Maciej Bylica <mbgatherer at gmail.com <mailto:mbgatherer at gmail.com> > wrote:

Hi Guys

I need to add one IP address to GbE interface of Cisco 3845 - C3845-IPVOICE_IVS-M, Version 15.1(4)M4 - as a secondary IP (this is not the problem)

What is more i need to be able to create dial-peer to send SIP call attempts via newly defined secondary IP address, not the main one.

I cannot see any possibilities how  to achieve that?
Maybe somebody could help me here?
Any help would be appreciated.

Thanks

Maciej


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