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Not able to connect to public network

Yogesh Paradkar
Level 1
Level 1

I have given new Public IP to my Firewall(VCS Expressway), It shows me H323 and SIP status Active in traversal Zone, as well as it shows Active in VCS Control. but unable to connect to public IP. It will get disconnected automatically and shows unreachable destination in Expressway Logs.

I have restarted my whole system 2 times after making changes in Expressway

Please Suggest me the solution

10 Replies 10

Jens Didriksen
Level 9
Level 9

Ensure "Calls to unkown IP addresses" is set to "Indirect" on the VCS-C and "Direct" on the VCS-E.

Also make sure there's no alg/helper or h.323 inspection happening on your firewall.

Test with known good destinations such as public test sites; try 71.14.2.157 and/or 71.14.2.158

If you can connect to those, then your end is fine and the problem is most likely with the other site, if you can't connect to those, then the problem is most likely at your end.

/jens

Please rate replies and mark question(s) as "answered" if applicable.

Yes, I have already set it to same as you said.

1. previously we use Public IP which is in use for our office network. so it were get peer with our office network gateway

e.g  10.10.10.3 - Express way IP, I had putted it in peer1 address of traversal zone of VCS control it shows,

       peer1  H.323:  Active: 10.10.10.1:18869

                    SIP:  Active: 10.10.10.1:38400  , in traversal zone of VCS Expressway

2.  when we change Public IP which is different from our network, i.e  20.20.20.6 in traversal zone of VCS Control as well as made changes in  IP setting of VCS Expressway.

In this case I am able to recieve  incoming calls on public network with this (20.20.20.6) IP, but can not  dial it on public network it automatically get disconnected. after  putting new Public IP in  my VCS Expressway it shows,

       peer1    H.323:  Active: 10.10.10.1:18869

                      SIP:  Active: 10.10.10.1:38400 , in traversal zone of VCS Expressway, but it should shows

       peer1   H.323:  Active: 20.20.20.1:18869

                     SIP:  Active: 20.20.20.1:38400........(20.20.20.1 : which is gateway of new public IP 20.20.20.6)

what version of VCSC and VCSE are you using?

are you using dual port of VCSE?

have you enabled Assent?

are all the required ports on FW between VCSC and VCSE opened?

enable Diagnostic logging on VCS and see what messages you get as result of failure?

1. Soft version of VCSC and VCSE : X 7.1

2. I am using single port Of VCSE

3. I have already enabled Assent of traversal zone in VCSE

4. All ports are open which is required for VCSC and VCSE

ok. so are you using NAT'ed address on VCSE?

no.

ok what failure message do you see in network log of VCSC/VCSE? (enable DEBUG mode)

It shows unreachable destination

need more than that. like. error code 480 unreachable destination, 10.1.2.3 reject connection/ time out received.

etc. etc.

the whole error, otherwise open TAC case to be looked at it.

regards, Ahmad

while dial to external Public IP:::::

1. tvcs: Event="

Call Rejected

" Service="

H323

" Src-ip="

10.10.10.1

" Src-port="

52193

" Src-alias-type="

H323

" Src-alias="

NIA-HO 3RD FLR CONF RM

" Src-alias-type="

E164

" Src-alias="

1009

" Dst-ip="

140.242.252.203

" Call-serial-number="

aead802c-bd6e-11e2-b247-0010f32379c6

" Tag="

1e9e5c12-bd6f-11e2-9df7-0010f32378e2

" Protocol="

TCP

" Response-code="

Unreachable destination

" Level="

1

" UTCTime="

2013-05-15 14:49:55,043

"

2.

tvcs: Event="

Call Rejected

" Service="

H323

" Src-ip="

10.10.10.1

" Src-port="

37030

" Src-alias-type="

H323

" Src-alias="

NIA-HO 3RD FLR CONF RM

" Src-alias-type="

E164

" Src-alias="

1009

" Dst-ip="

61.197.225.89

" Call-serial-number="

5e9343e6-bd6f-11e2-9738-0010f32379c6

" Tag="

ce85d678-bd6f-11e2-949f-0010f32378e2

" Protocol="

TCP

" Response-code="

In conf

" Level="

1

" UTCTime="

2013-05-15 14:54:40,632

"