Hello, everyone. I am covering Root Guard for STP and I feel like I've hit a roadblock. I understand how this feature works and what it does, I am just not sure where exactly should it be implemented. When it comes to Root Guard, it's all a matter of...
Hello, everyone. I am studying about STP and my current topic is Portfast. There's one question I have regarding it. Why do Portfast-enabled ports transmit BPDUs out of them? Isn't the idea here that such a port will only connect to end hosts or to d...
We are getting logs from nexus switches, "feature RPVST vPorts is over the critical threshold" What can be the cause of this error?Thanks.
We have noticed somewhat of a discrepancy between the datasheet maximum temperature values for the 9200cx switches and what shows up in the CLI. So, we are trying to find something more definitive on the maximum temperature and at what temperature t...
I have this Cisco Cat4507R, with two Sup V - WS-X4516-10GE My question is if I can use the CVR-x2-sfp v02 that my client has purchased to be able to connect some 10GB SR SFPs. I would like to know if there is a command that I should apply for this si...
Hi folks. I'm trying to upgrade my C9500 that is in VSS to IOS image Cat9k_iosxe.17.03.04.SPA.bin in install mode. when i issue the command "install add file flash:Cat9k_iosxe.17.03.04.SPA.bin activate ISSU commit. It fails to perform the upgrade. I ...
Is there a way to factory reset the Catalyst 9200L switch back to the zero day setup? I am completely locked out and need to start over. Thank you.
Hi,The enterprise recently bought several Cisco 9200L-48P-4X.I installed them and configured them. The enterprise is using them as layer 2 (no ip routing...etc).Regarding licenses; do I have anything to do? Do I have to register them or use CLSU etc?...
Hi,Does the C9500 DNA Essentials licence support HSRP?
Hy folks,We have the following planned: 4x a Cisco Business CBS350-24XS Managed Switch | 24 10G SFP+ ports | 4x10GE shared (CBS350-24XS-EU) The problem is, we need a speed of 10GB for the connection between host and switch over Ethernet.Can we do t...
I have a problem with a 9500 switch. In the WEBUI it says "undefined" in the Description field, while in the CLI it says the correct text.I never saw this bug before
I had a vulnerable scan done and our switches are showing a diffe 1024 key that needs to be replaced/updated. I am fairly new to cisco and unsure what commands I need to run. I triedenableconfigure terminalcrypto key zeroize rsacrypto key generate rs...
Hi all!I have some SFPs from RAD, MIRIC-E3. I try to config in a cisco switch but i get this message:05:55:16: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi0/23 has badcrc05:55:16: %PM-4-ERR_DISABLE: gbic-invalid error detected on Gi0/23,...
hello all.i have 2 cat 9407 with sup-1 XL configured as border/control node with stackwise virtual.i need to replace these supervisor with SUP-2x wahat is required exactly.
Hello, I'm planning to upgrade my Cisco WS-C2960X-24PS-L switch from its current software version of 15.0(2a)EX5 to the Cisco-recommended version of 15.2(7)E7. Can I perform the upgrade in one step, or is there a specific upgrade path that I need to ...
