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Hi, I have a question regarding jumboframes. At the moment we have done no changes to the MTU sizes, it's all default. Now we will implement NSX-T and jumboframes are needed, MTU size 9216 that is. The jpeg attached shows the current setup, between s...

I have a Cisco 3850 I’d like to upgrade to Gibraltar-16.12.05b  ( cat3k_caa-universalk9.16.12.05b.SPA.bin ).  Below is the version it's currently running.   Can I go directly to Gibralter? show ver | inc IOS-XE Cisco IOS Software, IOS-XE Software, Ca...

aaron-saz by Level 1
  • 11886 Views
  • 10 replies
  • 0 Helpful votes

So I am currently deploying two (2) stacks of 9200L switches. I also got the DNA-Essentials with all switches.I have them stacked and up and running great, but when looking at my license information it shows that I am out of compliance. Smart Licensi...

JHarpole by Level 1
  • 39013 Views
  • 12 replies
  • 5 Helpful votes

Hi, I have a basic ACL to do between 2 vlans but i can't make it work. I want that the Vlan1 only comuncate on port TCP 5090 and 5900 with vlan 4, and with no restriction with other VLANs.I want that the Vlan 4 access to all Vlans with no restriction...

spiro67 by Level 1
  • 663 Views
  • 1 replies
  • 0 Helpful votes

I have set up ACLs to deny most traffic between VLANs on a 3750x switch (which is also acting as the inter-vlan router), however it does not seem to work at all. More specifically, I have the Servers VLAN 10 and Clients VLAN 15. Despite the below con...

xrio by Level 1
  • 2467 Views
  • 6 replies
  • 5 Helpful votes

Hi Exprt, I am deploying cisco macsec by using two cisco C9300 in two sites. And the inter-connection is using MetroEthernet.But found that after deployed macsec, physical port status is up, but protocal is down.  After debug the mka policy, found th...

osw200051 by Level 1
  • 1465 Views
  • 2 replies
  • 0 Helpful votes

Hey guys, Im configuring some IE-2000 switches from scratch. Theyre new from the factory, but everytime I try to launch the web interface through express setup I get a 404 page not found. Ive setup dozens of these before with no issues. Does anyone h...

mtommer by Level 1
  • 753 Views
  • 1 replies
  • 0 Helpful votes