Switching

Hi, I have a question please regarding the C9300-48S as it comes by default with 715W power supply but when choosing a secondary power supply, one of the options is a power supply with 350W only, how to confirm if the 350W will be enough to handle al...

When trying to install a second switch and stacking to current live switch, both running 17.06.05, I get a lock-up state where all communication is lost with primary switch.  What steps should I take to resolve this issue?

https://community.cisco.com/t5/tkb-%E3%83%8D%E3%83%83%E3%83%88%E3%83%AF%E3%83%BC%E3%82%AF%E3%82%A4%E3%83%B3%E3%83%95%E3%83%A9-%E3%83%89%E3%82%AD%E3%83%A5%E3%83%A1%E3%83%B3%E3%83%88/catalyst3650-catalyst3850-%E3%83%90%E3%83%BC%E3%82%B8%E3%83%A7%E3%83%...

Hello Team,                I have a few POE "CCTV and aruba APs" that their interfaces do down then up again in few 30 to 40 seconds with no human interaction.I check the device and I see it rebooted "because POE".I am trying to understand the actual...

Hi friends, Please suggest the appropriate storm control level configuration for both Catalyst(9k) and Nexus(9k) switches. Up to what level can switches function without any issue? Didn't find any recommended or best practice documents.Thanks

Hello Local VPC status down what is the issue-----status -   show vpcLegend:                (*) - local vPC is down, forwarding via vPC peer-linkvPC domain id                     : 1Peer status                       : peer adjacency formed okvPC keep...

Hello,I am going to migrate our telephony to SIP trunkWe will have 2 SIP fiber trunk links, with 2 AVAYA SBC (VM)The 2 ISP routers ( same ISP but two different fibers, one active and one in "stand by") will be connected to my core switch, I created a...

I’m facing an issue with an LACP EtherChannel between a Cisco Catalyst 2960X and a 3750 switch.I currently have three physical links in the EtherChannel (Port-Channel 22).The first two links bundle and work fine, but when I add the third link, it sho...

Hello, i am having issues with connections on our 4 stack switches C2960X, Windows clients getting errors on startup or on reconnecting to the network and are not receiving a DHCP address of our Windows DHCP server. They are getting an automatic ipad...

Hi we have an onprem cssm server, already have a dozen devices successfully connected but we cannot get our 9.2 MDS 9k added. tried all 3 method, callhome, smart and cslu, I read that only cslu is supported so sticking with that, the config is:   lic...

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...

Hello awesome community!Continuing our networking fundamentals series!This week, we take a closer look at how Ethernet Frames carry data across the network, and how the Type field tells devices whether it’s an IPv4 packet, an ARP message, or somethin...

We did a cisco IE 9320 code upgrade and it failed. it is in a boot loop and unable to get into rom mon mode. Can TAC help me retreive the logs as to  why it failed