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Error: Could not connect to device via CLI (SSH/telnet). Check device credentials and SSH/telnet reach-ability.Getting error when trying to connect or add devices to Cisco Prime. We have created new credentials profile but prime fails to connect to d...
Hi Everyone We are in ISE 3.3 version. Is it possible to remove all DNS servers with single 'no ip name server dns ip 1 dns ip2 dns ip3' or do we need to remove DNS IPs one by one? Can we remove all 3 with single no command and add 3 IPs again with a...
We are setting up a new stack of switches & would like to know which Switch iOS for a C9300 / C9300xCisco recommended mention 17.12.05 which dates back to March 2025, but there is 17.15.4 dating Aug 2025.The article itself dates to July 2025appreciat...
Hello Asyncos Version: 16.0.3-044we get an message:"(DCID 327372) Message 16998928 to info@xxxxx.de bounced by destination server. Reason: 5.x.0 - Message bounced by administrator (This message is larger than the maximum allowed message size for S/MI...
Hello,I'm looking for some direction on upgrading this platform, it is currently on IOS 12.2(35) SE5.Curious if this requires multiple upgrades and what version I should upgrade to? (I'm assuming 15.X) Thank you.
Hello,I have rebooted a Cisco Nexus 3048T switch and I am now unable to access the console terminal. The console terminal does not show any output or provide any ability to input commands. The power supplies display a green LED, but the fan displays ...
Hello,I have configured the Control Plane CoPP Port-Filtering (Cppr) feature on a Cisco ISR 890 Series Router running IOS 15.8(3)M9 to stop the router from responding with closed status on all closed or non-existent TCP/UDP ports.Here is the configur...
Hi everyone,I have a question about an issue I faced during my university lab practice. Our professor gave us a topology with two switches connected to each other: two PCs are connected to the first switch using normal Ethernet connections, and anoth...
Hello,I am trying to find a way to make my routers not respond at all (no ICMP unreachable or closed responses) on closed or non-existent TCP and UDP ports.By default, Cisco routers respond with a closed status on all closed or non-existent ports whe...
Hello. We are using a Cisco ISE running 3.3. We normally set it up for radius authentication but this latest project, the PM wants to simply test Radius Accounting for Start/Stop/Interim without authentication from devices. I have set it up as such a...
Hello,I have encountered an issue with two routers showing UDP port 53 (DNS) open on their outside interfaces and I cannot determine why.Devices and Software Versions:Cisco ISR4431/K9 – IOS XE 16.09.07Cisco ASR1001-X – IOS XE 16.09.08Symptoms:When I ...
Hi Team, We are trying to upgrade the 9800_L series WLC to 17.12.05. Is there any issue? What is the fix iOS image for all 9800 WLC? Please suggest to us.
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...