Hi I’m planning to upgrade a stack of Cisco C9300 switches and would like to ask if there’s a best practice or recommended approach for doing so. The customer has specifically asked whether it’s possible to perform the upgrade without any downtime.I...
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here Putty record , I have two switch same issue . Booting...Interface GE 0 link down***ERROR: PHY link is downThe "IP_ADDR" environment variable is not set. Getting rest of imageReading full image into memory...Check base package header ...: done = ...
Resolved! Password recovery (cisco 3560 switch)
I want to recover my password for cisco 3560 switch, i am able to enter initial password , but when entering into "en" mode i dont know the password for it.. Please guide me how to do it. RegardsJahanzeb
Resolved! cisco 9200L 48 PXG switch stuck in romon
i have successfully flash with usb, switch still goes to switch: mode, hope anyone can help me
Hello all. Is there a command for the CLI to pull up the Serial Number on a cisco router?
I have the following ACL configured and applied to the interfaces that have smart light controllers connected to them, and only want to allow them to talk to the cloud services. However, Im seeing them try to chat to IPs outside of the ACL, which gi...
Will below SFPSFP-10/25G-CSR-S - 10/25GBASE-CSR SFP28work with this moduleC9300-NM-8XThis module has eight 10 GE slots with an SFP+ port in each slot. Each port supports a 1 GE or 10 GE connection.Any combination of SFP and SFP+ modules are supported...
Resolved! Stealthwatch Error 17.15.03
Upgraded this morning from IOS-XE 17.12.03 -> 17.15.03 (C9300-48UXM). I am now getting these messages in the logs:Apr 18 2025 08:45:34.943 CST: %IOSXE-3-PLATFORM: Switch 1 R0/0: fed: Stealthwatch Cloud is not initialized.Please configure to use this ...
Resolved! Config-Register question
I am running a 4506 Catalyst switch and CatOS. Here is the output of the show boot command.OFF_4506_24 (enable) show bootBOOT variable = bootflash:cat4000-k8.7-6-3.bin,1;CONFIG_FILE variable = bootflash:switch.cfgConfiguration register is 0x2ignore-c...
I have a cisco stack of 8 switches connected at the moment.1 is the master as per show switch result *1 Master 0077.8d2a.8400 1 4 Ready2 Member 0077.8da8.1600 1 4 Ready3 Member 0077.8d2a.8b00 1 4 Ready4 Member 0077.8da8.1980 1 4 Ready5 Member 0077.8d...
My Catalyst C9200L-48P-4X is running extremely noisy—its PS1 fan spins constantly at ~22 900 RPM—and will not throttle down even though:Rack ambient is ~30 °C with proper front-to-back airflowAll unused ports are shut downPoE is disabled where not ne...
Resolved! Issues with ports on Stack Cisco C9300X
Hello everyone, I have an issue with my setup. I have two Cisco C9300X-48P switches running IOS version 17.12.9, configured in a stack. The problem is as follows:The switches are connected to servers via dual links (one from each switch), with LACP c...
Resolved! Nexus 9k boot fatal error
Hello.After a small power failure, one of the Nexus 9k, after loading, began to reboot after 5 seconds and so on in a circle. I decided to reset the configuration via boot loader, as a result, now the system does not load, I did this at the start of ...
Hi,Does 9606 C9600X-SUP-2 support StackWise Virtual (QuadSup RPR) ?On Cisco web site it shows C9600X-SUP-2 support StackWise Virtual (QuadSup RPR).https://www.cisco.com/site/us/en/products/collateral/networking/switches/catalyst-9600-series-switches/...
Resolved! selective qinq, qinq, layer 2,
Hello everyone,I hope everyone is doing well.I was looking at some q-in-q concepts and if anyone can tell me what i am doing wrong i would be forever grateful.Topology:SW1:interface GigabitEthernet1/0/8 switchport access vlan 1024 switchport mode acc...
