Exa mple We bLo gic S IP Ser ver Ne two rk Con fi gu ra ti on
Configuration” on page 3-12). Consequently, in Figure 3-4 below, Step 3,
WebLogic SIP Server sends a 200 OK response to the load balancer internal IP
address (10.1.3.4) and port 5060. That response is then dropped.
Figure 3-4 Source and Destination NAT
A 2.3.4.5
LB 1.2.3.4
WLSS 1 10.1.1.1
|
|
|
|
|
|
|(1) SUBSCRIBE
|
|
|----------------------->|
|
| (2.3.4.5->1.2.3.4)
|(2) SUBSCRIBE
|
|
|----------------------->|
|
| (10.1.3.4->10.1.1.1)
|
|
|
|
|
|(3) 200 OK
|
|
X<-----------------------|
|
| (10.1.1.1->10.1.3.4 ) |
|
|
|
The complete message trace from Figure 3-4 is show in Listing 3-5 below.
Listing 3-5 Complete Failing SUBSCRIBE Message Trace
No.
Time
Source
1 1.425250
2.3.4.5
SUBSCRIBE sip:[email protected]:5060
Destination
1.2.3.4
Protocol Info
SIP
Request:
Internet Protocol, Src: 2.3.4.5 (2.3.4.5), Dst: 1.2.3.4 (1.2.3.4)
User Datagram Protocol, Src Port: 9999 (9999), Dst Port: sip (5060)
Session Initiation Protocol
Request-Line: SUBSCRIBE sip:[email protected]:5060 SIP/2.0
Message Header
Via: SIP/2.0/UDP 2.3.4.5:9999;branch=1
3-10
Configuring Network Resources