78xx 7800 7821 " Host not found " Corporate Directory

[armin.wagenfuehr]

Hello Community,

Following Szenario,

Encrypted Phones SIP 7911, 7931, 7962, 7975 at CUCM 8.6.2 have access long time to the corporate directory and - works fine.

Today I add 7821 SIP Phones and they works works fine, but no access to corporate directory message "host not found" appears. Works also not with non sip secure profile.

The config is the same as the other phones, nothing different. Get the same IP Address Range, same DNS, same TFTP Server etc.........

The Cluster have 3 Servers, First PUB1, SUB1 and SUB2. The Phones are register at SUB1. For me it seems may be there is a problem with the TVS Certification.

But how could I fix this?

Please see attached Trace from the Phone.

I hope the Community could help me to solve the issue.

Really thanks in advance.

HTH, please rate all useful posts and right answers.

[armin.wagenfuehr]

Hi Tirtha, show indentical.

7821:

802.1X:

        Device Authentication: Disabled

        Transaction Status: Disabled

        Protocol: NONE

        Device ID: CP-7821-SEPXXXXXXXX

        EAP-MD5:

                Shared Secret: Password Not Set

                Realm: Network

TVS Servers:

        Priority : 0

                TVS IPv4 Address : 10.111.188.31

                TVS IPv6 Address :

                TVS Port : 2445

        Priority : 1

                TVS IPv4 Address : 10.111.189.31

                TVS IPv6 Address :

                TVS Port : 2445

        Priority : 2

                TVS IPv4 Address :

                TVS IPv6 Address :

                TVS Port : 0

7962:

================================

          show tvs

=================================

Priority : 0

TVS IPv4 Address : 10.111.188.31

TVS IPv6 Address :

TVS Port : 2445

IP Mode : 0

IP Pref : 0

DSCP value : 96

Priority : 1

TVS IPv4 Address : 10.111.189.31

TVS IPv6 Address :

TVS Port : 2445

IP Mode : 0

IP Pref : 0

DSCP value : 96

Priority : 2

TVS IPv4 Address :

TVS IPv6 Address :

TVS Port : 0

IP Mode : 0

IP Pref : 0

DSCP value : 96

[armin.wagenfuehr]

Next Strange thing. I figure out what is going on.

- 7821 and 7962 in operation. XML Works for both.

- I deny again 2445 to first SUB.

- Still works well for 7821 and 7962....................long time. Fault not appears.

- Restart both phones. Still Deny 2445.

- 7821 works not, 7962 still works.

Reason: When Networkconnection is deny from Phones to first SUB and the Phones Restart, 7821 no access to xml, 7962 still access to xml.

Bug?

HTH, please rate all useful posts and right answers.

[Nishant Savalia]

Hi Armin,

Little information is required.

• Which IP address is this 10.199.188.176?
• What was the server defintion for PUB & SUB i.e. Hostname or IP address?
• What is the modification you have done so far for this issue?
• From phone setttings what are the TVS servers listed on 7821 ?

Regards,
Nishant Savalia

[balabin.va]

Hello!
How is the solution to your problem ?
I have a similar problem on CUCM 10.5
Phones 7821, 8851, 9951.

[cco.cisco.account]

Hi, I remember me it was a Firewall Port issue.

[balabin.va]

Firewall on the SUB? How to fix the problem ?

[cco.cisco.account]

No, between phones and CUCM Server.

[armin.wagenfuehr]

Hi Nishant, thanks for your support. I am leaving and in Weekend. On Monday morning, I would trace with deny 2445 the OK 7962 Case and the not OK 7821 Case and post the traces here.

The Question is, w/ deny 2445 to the first SUB (TVS) why the 7962 move to the second SUB and it works and why 7821 move not to the sencond SUB and not show Corp. Directory....

Which kind of Traces you need?

Thanks Armin

HTH, please rate all useful posts and right answers.

[armin.wagenfuehr]

10.199.188.177 SUB2

10.199.188.178 SUB1

10.199.188.176 PUB

server defintion IP Address

modification open Port 2445 SUB1 Network -- > Phone Network

TVS

7821:

802.1X:

Device Authentication: Disabled

Transaction Status: Disabled

Protocol: NONE

Device ID: CP-7821-SEPXXXXXXXX

EAP-MD5:

Shared Secret: Password Not Set

Realm: Network

TVS Servers:

Priority : 0

TVS IPv4 Address : 10.111.188.31

TVS IPv6 Address :

TVS Port : 2445

Priority : 1

TVS IPv4 Address : 10.111.189.31

TVS IPv6 Address :

TVS Port : 2445

Priority : 2

TVS IPv4 Address :

TVS IPv6 Address :

TVS Port : 0

HTH, please rate all useful posts and right answers.

[Nishant Savalia]

Thank you for the information. One more input required from your side.

Please share 7821 phone config file. You can get it as below:-

tftp -i get SEP0000DEADBEEF.cnf.xml

Regards,
Nishant Savalia

[armin.wagenfuehr]

Hello, attached.

HTH, please rate all useful posts and right answers.

[armin.wagenfuehr]

Hello Nishant , I attach the Config file. You had a chance to look at the fault?

Thanks Armin

HTH, please rate all useful posts and right answers.