Activity in Technology and Support
Changing Cisco Nexus C9348GC-FX3 RSA key modulus to 2048
Hi Everyone!I am receiving this error message in Zabbix when trying to establish SSH Connection to my Nexus switch"Bad server host key: Invalid key length" I am suspecting the RSA key length. Because i checked the length in my switch and it is only 1...
"JSP files cannot be uploaded" Error When Uploading Prompts to UCCX
Hi We have upgraded some 12.5(1)SU3 UCCX systems to the newest ES07 due to the security CVE-2025-20354 (CVSS-score: 9.8). After this we have discovered that we can no longer upload UCCX wav files. We can download an existing file, upload it again, a...
Voice Gateway
Hi, I have a C8200L router, But it doesn't get "voice service voip" command .... What Can I do?
ISE 1.4 not work
Hello.We're using ISE 1.4.0.253. Recently, the web interface on the master virtual machine crashed, and there were errors in the switch logs.We checked the status, and everything was bad:sh application status ise ISE PROCESS NAME ...
ISE 3.4 Patch 3
Hi everyone! Good day and greetings!Does anyone here upgraded your ISE devices to 3.4 Patch 3? Did you guys encountered any issues and bugs?Regards
TRANSCEIVER-3-NOT_ALLOWED_ONLINE
What does transceiver not allowed online mean?%TRANSCEIVER-6-INSERTED: Chassis 1 C0/1: iomd: transceiver module inserted in Te0/1/1 %TRANSCEIVER-3-NOT_ALLOWED_ONLINE: Chassis 1 C0/1: iomd: Detected for transceiver module in Te0/1/1, module disabledSF...
Resolved! ASA 5525 Firewall failover setup.
We have two Cisco ASA 5525 firewall at Block A and Block B where the failover was not setup yet. Should i need to configure one port at firewall and install new physical fiber cable with transceiver for peer to peer connection?
Problem recieving IP address after AAA authentication
Hello ,I'm facing an odd problem with the switch Cisco C1300 when authenticating with Fortinac.When authenticating a printer (Static IP) or a Huawei AP (DHCP), the Fortinac puts the device on the correct VLAN. The switch receives and recognizes the V...
ASA/FTD DHCP reservations outside the pool not allowed, why?
Hi,can anyone tell me why Cisco is not allowing address reservations outside the defined DHCP pool?At least on ASA and FTD thedhcpd reserve-address xxx.xxx.xxxx.xxx abcd.ef01.2345 insidealways needs to be inside the specified pool.I mean there is a w...
The C9600 switch sees the SFP-10G-T-X module as SFP-10GBase-SR
hello guys, I would like to ask if it is normal that the SFP-10G-T-X module installed on a slot of the C9600 is seen as SFP-10GBase-SR.Is it possible that it is an update problem?Thanks for the answers.
Tenable.io - SSH cipher negotiation failure with Cisco IOS devices
Nessus Scanner:Tenable.io–managed Nessus Scanner v10.11.1Cisco Switch Model:WS-C3650-48TQCisco IOS XE Version:16.12.12Issue DescriptionWe are attempting to perform a credentialed SSH scan against Cisco switches using a Nessus scanner.The SSH connecti...
SD-WAN Have Private color and Public color
Dears, Kindly note that I am working on an SD-WAN deployment and need to run two colors (Private MPLS and Public Internet). I tried to implement Option D (assigning NATed public IPs to the controllers). The Internet connection is up, but the MPLS co...
WLC Migration 9800L to 9800M
I’m planning a migration from an existing Cisco Catalyst C9800-L-F-K9 HA pair running IOS-XE 17.12.05 to new Catalyst 9800M hardware. The current setup is with CW9164I & C9120AXI APs, and the target software on the new controllers is IOS-XE 17.15.4b ...
hostname field does not show up in context visibility
I do not see hostname field for some of the endpoints. these endpoint IP's are assigned statically no there is no DHCP involved. probe wise I have radius and nmap enabled. Do I require DNS Probe to enabled ? what is the requirement from ISE perspec...
MTU in CCTV Networks
Hi All, I'm doing some self-guided Wireshark training on Udemy in order to better understand and troubleshoot my network. One of the topics today was retransmission, which I see a lot of in my captures and something I haven't been able to understand...
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