We have a system with 2 redundant Stratix 5410 switches are configured with hsrp. We have recently encountered what seems to be a widespread problem where if one of the switches get reset, we get constant port flapping errors that make our network un...
Forum Posts
switch 3560 - I try to upgrade OS on Xmodem but the message shown no space left on device , before the old OS damage I delete all old flashes thank you
i have 3650 switches that need to be upgraded from 3.6.6E to 16.12.5 MD. Can i upgrade directly through booting from the new image? also do i need to update the ROM version? the document below mention it is possible but just need to make sure https:/...
I have a question, install mode before was a procedure for safe install software. I mean you can install software without commit and if something happened wrong a device perform rollback to before software. My question is now you can't perform upgrad...
I have a Cisco C9300 switch and the port does not link up when connected to WS-C4506, however when i connect the C9300 to a 2960 the same port links up.Is there an issue with a catalyst switch port not linking up when connected to another catalyst sw...
Hello,I have a high giants counters in (Port-1 & Port-4) as the below diagram.any configuration should I adding in the switch ports.Appreciate your help Thanks
Hello everyone!This is actually my first post here, and I'm seeking help on this forum. I'm really puzzled by the behavior of my switch. Here's the scenario:I have a 3850 switch with two interfaces, g1/1/1 and g1/1/2, forming a LAG ( interface po1) t...
Resolved! Private vlan through trunk
Hello,I am trying, in my lab, to make computers running in a private vlan, reach the gateway. I am probably missing some config on the trunk port, I believe. The lab looks like this - see attached picture So, the PCs running behind sw01 and sw03 are ...
I'm looking for a network switch that support both AC and DC powering.I'm currently looking at CBS250-8PP-E-2G-EU and CBS250-24T-4X-EU but those are not DC capable. Are there any similar switches that support both AC and DC (redundancy support).
Hi, Does anyone know what the snmp definition is for a tunnel link down . Thanks
HiWe experienced an issue with one of our vlans over the weekend, where some locations/hosts could still communicate over this vlan, but others couldn't. Eventually we found the HRSP state on our two core switch stacks was showing as active on both ...
Hello,I'm seeking advice for a client looking to acquire Cisco switches for their servers and edge switches networking needs.They're looking for cost-effective options, as their network setup is relatively small and straightforward.The specific requ...
Hi there,I have 2 3850 Catalyst configured together but defective.I want to transfer their working configuration to two identical 3850.What is the best way to proceed?Save the configuration file of the main switch and to transfer it to the new main o...
Resolved! Switch Port Colour Codes
Hi Guys,Firstly, yes I know this is a really fundamental question but his forum is the fastest and most trusworthy source of cisco knowledge Ive found to date! What exactly do the following colours on the port LED's mean:no light.solid orange.flashin...
Hi, I currently have a client who wants to start using a network access control device for their network security, this client requested me to use the 802.1x protocol for this which I used to configure all the Cisco catalyst1000 switch ports.Now I h...
