Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
I have a network of several PCs whose routing is done using a Cisco 3650 switch. I want to use Cisco Jabber for making calls between 2 PCs. The PCs are configured on Vlan 54 and Cisco Jabber is set on Vlan 60. Each time I want to use Cisco Jabber bet...
Sometime in the past 4-5 months we have developed a scenario that spikes the CPU enough that the console is unresponsive and packet forwarding is impacted for 6-10 seconds, etc. We can recreate it at will. It is always when the first port in a port c...
Resolved! Cisco 9300 UXM port issue
Hi all,We are having some new 9300 UXM in production replacing the 3850s, and meet a strange issue.There are some old POE devices running well on 3850. But with the new 9300UXM, we can see the port POE status is up, however the port status shows "not...
Resolved! Show Exact Temperature Value on 2960-G
Hi Guys, Is it possible to show the exact temperature value on 2960-G? When I issued command "show env temperature", the switch only displayed information below: SW2960G#sh env temperatureTEMPERATURE is OK But on my other switch, when I issued th...
Hello everyone, we are having issues with a Catalyst 6880-X-LE switch which constantly shows a CPU usage of over 90% in idle, during business hours the switch is crashing. The software installed is 15.5.(1)SY8. The command "show proc cpu sorted" tell...
I have core switches 6509 and server farm switches 4500 and edge switches 3XXX, could there usually be and shutdown and startup plan for them in case we have a power cut and we are on UPS for a limited time? or there is no such things with switches n...
Experts, I have an odd situation here. Core switch is a Meraki MS 410-16 which connects via fiber to a downstream Meraki MS120-48. Now, there is a Cisco Catalyst 2960x connected to the MS120-48. Strangest thing is, only one desktop can connect to t...
Hello world, newbie here,I am working on a lab studying for the CCNA which is related to OSPF. The lab has 3 sites, AZ, NV and FL which when usingRouter on a Stick everything works to perfection. However, the instructor on his video doesn't have any ...
I need the part number for Cisco 12 Port FIber switch with 10 G Uplink. Somebody Please help me get this info. Really urgent guys
Resolved! Vlan blocking Cisco L3 Switch (4948 E-F)
Hi Everyone! I would like to enlist your assistance in a question which I have been trying to find an answer to for about 3 days. There is a SW to be tested. For us to be able to test it, the following test environment has been set up (please see the...
Resolved! Cisco Nexus N9K Loopback Testing
I've been trying to establish a configuration for performing loopback testing and this is the closest I have gotten. Previously I was getting the message "Destination Host Unreachable" so I've made progress, but it's still not quite right. Can anyo...
I had two 3750's stacked and now I want to have each on of them as a standalone switch. I removed the Stackwise cable but each time they boot up separately now they think they still should be part of the original stack. How can I remove all stack c...
Resolved! CBS350 and C9200 routing performance
I'm was looking for inter-vlan routing performance for the two switches. According to the information on the data sheets the performance for 48 port switches is the same for the CBS350 and C9200. Is that information correct?
Have a pair of N7K switches (hot standby) running 6.1. Adding a PBR to a VLAN interface, one switch accepts the command no problem, the other I get "% Could not apply PBR route-map - Tcam Allocation Failure". Tried rebooting the switch, no change. ...
aaa new-model!aaa authentication username-prompt "Local Username: "aaa authentication login default group tacacs+ localaaa authentication enable default group tacacs+ enableaaa authorization config-commandsaaa authorization exec default group tacacs+...
