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Hi Experts,
My customer has enabled AAA Authentication on all their switches, what they want to achieve is that whenever IT administrator remote access (Telnet/SSH) into these switches, they will need to use the TACACS+ credentials to access the swi...
Hi All, I will carry out the CUCM firmware upgrade for my customer. There are 4 CUCM servers running in their environment (1 Publisher, 3 Subscribers). Out of these 3 Subscribers, there is one acts as TFTP Server. My customer has concern on the downt...
Hi All, I plan to upgrade the existing Cisco 8961 SIP IP Phone firmware to a newer firmware version. I have downloaded the software from cisco.com, and already uploaded into CUCM via Unified OS Administration. After restarting TFTP Service, I can see...
Hi All, My customer's current CUCM version is 9.1.2.10000-28, and they found out this version has OpenSSH LoginGraceTime Denial of Service vulnerability, so I decided to upgrade their current CUCM version to 9.1.2.13900-10. There are 1 CUCM Publishe...
Hi All, I need help in setting up the phones communication (PLAR) between two different networks. I have Network A and Network B, both networks are totally separated networks and they do not have any connectivity between each other. What I want to do...
Hi Ajith, Thanks for your reply. I am going to upgrade the CUCM from version 9.1.2.10000-28 to version 9.1.2.13900-10 What I want to know is that during the time I switch the Publisher to the newer version (I believe the Publisher will not available)...
Hi Wilson, I have tried unplug and plug back the phone, but still the same.I deleted the phone in CUCM and recreated again, this time the phone registration get REJECTED and Download Status keeps in "Upgrading" Please refer to the attachment
Hi Wilson, There are 1 Publisher (10.25.51.36), and 3 Subscribers (TFTP is 10.25.51.39)I have uploaded the new firmware in 10.25.51.39, restarted TFTP Service, change the load information to new firmware in Device Defaults Restarted the IP Phone, but...
