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
Resolved! SW Forwarding - Drops
Hi all, hope you can help me understand this. I searched on the forum but couldn't find exactly the answer to what this could meanWhen doing the command "show controllers cpu", I get the following on the sw forwarding: retrieved ...
I have a Cisco SG300-52P switch and I am looking for a DB9 serial to USB cable so that I can connect to the switch using the console port. Does anyone know of one that works. I see several DB9 to RJ-45 but I am looking for one that goes directly to ...
I just did my first firmware upgrade on a Nexus 9300. Reading the release notes, I expected I would upgrade the primary and it would reboot to golden, which would then get upgraded. But it rebooted to the primary. When I then attempted to upgrade ...
Hello - I am having an odd issue currently. I have two Cisco switches, one a 2960-x and the other a 3650. Both have their own IP's and are located in separate IDF's throughout the facility. These switches are sometimes able to be connected through...
I had an issue today and when I show log on my core switch, I realised that few ports went down at the same time. these ports were connected to different devices and were on different vlans. Apart from ports getting down, I couldn't see any other eve...
Some ports of 2960L cannot supply power to 3905.When I use a phone with a poe type of class2, such as 7942. I want to know if there is a problem with the switch hardware
Resolved! C9200L-48P-4X-E with one PS
Folks, Can we use one Power Supply on C9200L-48P-4X-E to provide all 48 ports with POE+ capability ?
Hello. I would like to ask help with an issue I have:I have a WS-C4507R+E Switch in production. It runs Version 03.05.01.E RELEASE SOFTWARE (fc2) as seen in Figures 1 and 2.Figure 1: show inventoryFigure 2: show versionThis Switch won't allow me to s...
Hello, new to the forms and Cisco in general hopefully I am directing my question in the proper location! I have set up a small network in my apartment enabling multiple VLANs and L3 rules in an effort to isolate traffic from each VLAN as desired. I ...
Resolved! Nexus | Double-Sided vPC
Hello, We currently have a pair of Nexus 5Ks configured in a vPC domain (vPC Domain 10) and used as access-layer switched. This pair is uplinked to a core server (C6509 VSS) that's used for FHRP for all of the servers farm ESXs/Servers. We are consid...
Resolved! C2960CG-8TC-L baud problem
hello,i have a switch C2960CG-8TC-L and i wanted to use it, i've tried to set it up and in meantime i've thought it would be a nice idea to update the software, so i did.originally i was using C2960c405ex-UNIVERSALK9-M and i've update it with c2960c4...
I'm trying to migrate an existing QoS configuration on a router to a 9300. On the router I have this: class-map match-any class1 match access-group 101 class-map match-any class2 match access-group 102 class-map match-any class3 match access-grou...
As shown in the figure, Catalyst 9500 Switch and log server are installed in Cybersecurity Operation Center. I need to buy a switch to transmit syslog in each system, but I don't know what switch would be best. (The place marked multi-layer switch in...
Hi, I am more familiar with trunks on Meraki in which you have the ability under the option for "Native VLAN" to set "Drop Untagged Traffic" so that only tagged traffic traverses the link and anything else is dropped. How would one set this up on non...
Resolved! How can comunicate 2 pc via a switch
Hi there , I have connected two laptops in a switch , but I don't know why this two can not comunitate. I have changed the ip address, I have putted the laptops in the same VLAN . If I ping the switch from any of this two devices the switch respond b...
