Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Labels

Forum Posts

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
  • 984 Views
  • 26 replies
  • 0 Helpful votes

Hi, ☺️Now i still read about this tooic and i do lab environmentOn nexus 9k :I create two vrf for each vlan for isolationBut i want each vrf access internetFor each svi vrf---Vlan10,20----(trunk)Switch-N9k(ip10.10.10.2)-------(10.10.10.1)Router---int...

SHSH22 by Level 1
  • 196 Views
  • 3 replies
  • 1 Helpful votes

We have an issue since a long time upgrading the software of a Catalyst 9300 Switch. We are currently running 17.03.04 and wanted back then to 17.09.05 and right now to 17.12.04. The Problem, there is a virtualization machine connected with multiple ...

Bonjour, Je ne trouve rien qui précise si le Fast REP est supporté sur les switches stackés de la gamme IE Cisco. Si quelqu'un sait ? Merci d'avance ! Edit :  Pour être plus précis, je demande si le temps de convergence du Fast REP reste le même si u...

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
  • 153 Views
  • 3 replies
  • 0 Helpful votes

Hello,I am trying to update a cisco 9200 switch ( in fact, it's a stack, there a 2 switchs).Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----* 1 32 C9200-24P 17.06.05 CAT9K_LITE_IOSXE INSTALL2 32 C9200-24P 17.06...

abtt-39 by Level 1
  • 3809 Views
  • 19 replies
  • 0 Helpful votes

HiI have a couple of cisco Nexus9000 C92160YC-X as core switches. I have 6 pairs of catalyst 9300 switches connected via VPC to these cores. I was configuring auto qos voip trust on these access switches but I came across an issue on the core switche...

FAAA by Level 1
  • 167 Views
  • 5 replies
  • 0 Helpful votes

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...

HelloHello I am attemping to install two cisco 9200 Series . The por 24 is in trunk mode is conecting against other 9200 series ( i dont have acces now to this SW  this SW has a some SWitches on different port the SWitches are no cisco) .there is not...

athan1234 by Level 3
  • 4026 Views
  • 22 replies
  • 0 Helpful votes

I am trying to create a vPC port-channel for two different FEX interfaces. We have two Nexus 5000 series switches connected via vPC and FEX 106 and 107 each with a connection to our Nexus 5000 switches (proda1 and proda2) connected via port-channel a...

I am using Cisco Packet Tracer in Mac and when I tried to login it's keep loading for a long time and no result, I am having this issue since last 2 days. However, if I tried to login netacad.com directly using browser it's working fine but the Packe...

ssdsodha_0-1752750394400.png
ssdsodha by Level 1
  • 190 Views
  • 4 replies
  • 0 Helpful votes

Good Morning, We've got a C1000 that behaves kinda strangely and i'd like to know if its a hardware problem or a "solvable" Software Problem.Here's a Screenshot of the Console Output:ConsoleThe Switch still kinda works normally, i can configure the s...

cisco.PNG