About silvakizir

silvakizir · 03-21-2024

Hi to everyone.I am trying to use the Webex App Caling Service with the CUCM On Prem via LAN and not MRA.I have put the "Server Address: CUCM FQDN" and "UC Domain: Domain Name" information at Webex App Phone Services.When pressing the connect button ...

silvakizir · 03-01-2024

Hi.I have a newly created SIP Trunk from Cisco Router 4321 acting as a CUBE with the ITSP provider.The Router sends DNS requests to the ITSP at TCP port 53 but the provider accepts only requests at UDP port 53.Does anyone know how can I control the p...

silvakizir · 01-29-2024

Hi to everyone.We had implemented in the past the Macro from the bellow link to the Codec Pro registered with Webex and it was working successfully .https://community.cisco.com/t5/telepresence-and-video-infrastructure/macro-to-swap-monitors-connectin...

silvakizir · 10-12-2023

Hi fellows.We have a "Cisco Codec Pro" and we are trying to connect it with "Inogeni 4kx-plus".From the bellow link we confirm that Codec Pro works with Native USB Inogeni OS 11.https://roomos.cisco.com/macros/USB%20Mode%20Version%202Codec Pro has Ro...

silvakizir · 09-13-2023

Hi guys.I have a UCS Server model C220M6 which is BE6K-M6-K9 and came with preinstalled ESXi version 7.0.For a specific migration/compatibility reason I need to downgrade to ESXi version 6.7As far as I know I can't do a ESXi downgrade from version 7....

silvakizir · 03-21-2024

Problem solved and moved to next step when I put the Root CA in the correct folder in the PC with name "Trusted Root Certification Authorities".Sorry for the post and if anyone knows how to delete it please inform me.

silvakizir · 03-12-2024

Hi again.Just for your information below are the tests I did.At the 4321 I upgraded to 3 different IOS but no matter what the only DNS queries sent at UDP port 53 where those to the LAN (LAN Configuration/Interface Without VRF). DNS queries to the IT...

silvakizir · 03-05-2024

With the same exact configuration I sent you in the show run file (apart from the VRF components) I did the same test with a 4331 Router with different IOS than mine and the queries were sent in UDP and were also answered from the ITSP.First the Rout...

silvakizir · 03-05-2024

Bellow you can find the packet capture from the interface showing that the CUBE sends queries only via TCP protocol.Also attached are the relative commands.

silvakizir · 03-05-2024

I have done packet capture on the interface towards the ITSP where I can only see TCP DNS queries and not UDP and as a result the Router can't fetch any resolutions.

Member Since	‎08-02-2016 01:32 AM
Date Last Visited	‎03-27-2024 12:16 AM
Posts	174
Total Helpful Votes Received	47

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Webex APP & CUCM On Prem "Untrusted Certificate error 1000:1008"

DNS queries from CUBE to ITSP only at UDP port

Macro for swaping monitors (Cisco Room Bar / Codec Pro)

Cisco codec pro with Inogeni

Downgrade ESXi 7 to ESXi 6.7 on UCS

Re: Webex APP & CUCM On Prem "Untrusted Certificate error 100

Re: DNS queries from CUBE to ITSP only at UDP port

Re: DNS queries from CUBE to ITSP only at UDP port

Re: DNS queries from CUBE to ITSP only at UDP port

Re: DNS queries from CUBE to ITSP only at UDP port