Re: VOIP Sessions - Source Interface

From: sadame@unitel.co.kr
Date: Thu Jun 26 2003 - 10:25:15 GMT-3


 hi there & daniel

 your concern was solved at groupstudy mailing-list by someone,, I cann't remember who..
 the key command is "h323-gateway voip bind srcaddr <ip_address>" that is interface command

 for example

 lo0 172.16.2.1 R1 e1(10.1.1.1) -------------------- e2(10.1.1.2) R2 lo0 172.16.1.1

  the configure on R1 is as following
 !
 R1
  !
  interface loopback 0
   ip address 172.16.2.1 255.255.255.0
   h323-gateway voip bind srcaddr 172.16.2.1 -> interface command
  !
  dial-peer voice 11 pots
   destination-pattern 1111...
   port 1/0/0
  !
  dial-peer voice 22 voip
   destination-pattern 2222...
   session target ipv4:172.16.1.1
   ip preference 5
  !

you can find the way to solve your concern...

R2> show call active voice 8m7I=C
 onnectionId[0x65B8E25C 0x14F211CC 0x8024B9BB 0xB6B4DD0A]
IncomingConnectionId[0x65B8E25C 0x14F211CC 0x8024B9BB 0xB6B4DD0A]
RemoteIPAddress=172.16.2.1 --> this ip address is the loopback of R1
RemoteUDPPort=17272
RemoteSignallingIPAddress=137.12.22.2 --> this ip address is the loopback of R1
RemoteSignallingPort=1720
RemoteMediaIPAddress=137.12.22.2 --> this ip address is the loopback of R1
RemoteMediaPort=17272
RoundTripDelay=0 ms
SelectedQoS=best-effort
tx_DtmfRelay=inband-voice
FastConnect=TRUE ..

search the document on the CD-ROM or WEB for more detail of this command..

you know this way is very effective for VOIPsession sustenance even if the link-fail occurs..
but you must have redundancy-path



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