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I recently replaced the core switch at one of my sites that consisted of two separate C9300-48Ts and three other off brand switches and installed a new stack with a C9300X-48HX, C9300-24S and a C9300-48T (running 17.12.5). This is a layer 2 network c...

dbronco by Level 1
  • 1410 Views
  • 40 replies
  • 0 Helpful votes

HI we changed a old switch CIsco 2960 to a new Cisco 9300. Sw9300 connects to the existing Cisco 3750G via SFP Fiber. this a test flat envirorment with only one vlan and some servers . Everything was working prior to this change. Now On the CIsco 930...

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beconnect by Level 1
  • 2101 Views
  • 23 replies
  • 1 Helpful votes

Hi, one of our new CBS250-48T-4x switches fails to boot, when connecting via console  I see it boots to some weird Embedded Linux environment, full console info in attachment, here is few first and last lines Few last linesmount: mounting ubi0 on /mn...

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FatalXE by Level 1
  • 62 Views
  • 3 replies
  • 0 Helpful votes

Hello, I'm just looking to make sure that I'm interpreting that a cable run is bad for a new install before ripping it out & starting over. Trying to hook up a new security camera that will be using 15.4w. These are the following results, please corr...

Mogwai by Level 1
  • 177 Views
  • 4 replies
  • 0 Helpful votes

Our Educational District just purchased 8 (Refurbished) Cisco Cat 3560 POE switches to upgrade from the dated 2950 switches.We downloaded the newest OS from our Cisco Account, but now I am lost.  Maybe it's me :)I start up the switch and connect via ...

Hello,I’m experiencing issues setting up a port channel between Cisco Catalyst 9300-M switches (managed via Meraki Dashboard) and Cisco 2960 switches.The problem occurs when attempting to aggregate links from the 9300-M (aggregation layer) towards th...

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athan1234 by Level 4
  • 273 Views
  • 11 replies
  • 0 Helpful votes

I have reviewed the ACL on the Cisco 9606 platform, and it looks a bit different compared to other platforms.I have a question: the service object group(LYNCAUDIOSHARING_PORTS) is placed first in the ACL statement — does it refer to the source or the...

Madhu by Level 1
  • 144 Views
  • 3 replies
  • 1 Helpful votes

Hi Team,Users in my network are receiving bad IP addresses, and our DHCP scope is set up on a Microsoft Windows Server.Please assist me in resolving this issue and let me know if you need any information from my side.

Any know how many times w/in a time frame a mac address needs to show up on two ports before a mac-flap error is logged?  And is there a way to tune that threshold?We're running some ap's in flex mode, and a few handheld clients are roaming between a...

Hi,In my network, my core is a pair of 9606R / stackwise virtual, and the distrubutions switches are mostly 2960, 3650 and 9300. Spanning-tree runs in pvrstp+ mode. The core switch is the spanning-tree root.Since we rebooted the core, about every 15 ...

maaathieu by Community Member
  • 248 Views
  • 9 replies
  • 0 Helpful votes