Switching

Our DMZ switches connected a Vendor Routers which are using VRRP. The connected vendor always uses duplicated VRRP IDs for newly installing RTs.This causes us port flapping loops for the existing users who are using the same VRRP IDs. Our customers a...

Hi there, Thanks for reading.  I have a  WS-C3850-48P-S which is acting as a core/backbone, hosting the network's SVI vlan interfaces.  It was a temporary solution.  Now that the permanent Nexus switch has arrived (N3K-C3548P-10GX), I need to integra...

Hi all,  I have a device made by a manufacturer called Crestron that takes PoE plus. I have a pair Catalyst 3850s with stacking cable, and quite a few PoE devices on it, all of them 15.4W, but still far within my PoE budget. My issues is, when I plug...

Hi guys, Need a help advice, today I tried to upgrade IOS on Cisco switch 3850 stacks everything seems fine until system reload after upgrading. Then I got stuck in boot fail loop... I follow the emergency recovery guid to press Mode button but nothi...

Please if anyone can help me to solve this issue: I'm working now on IoTrust System Built (IoT System) using Packet Tracer but my Issue is how I can connect the Packet Tracer Cisco Environment with Visual Studio ASP.NET (My Algorithms will be written...

Hello Community,I need best practice assistance. We have a small datacenter, with a pair of Nexus N5K-C5548P switches in a vpc pair, along with 2 Nexus 2K FEX connections. All our access switches are connected to the 5K's (Dual homed), along with our...

Hello Team, The inbuild electrical port can not came up after upgrade the new polaris IOS (asr920-universalk9_npe.V169_4_SR688058565_4.SPA.bin), but when insert Electrical SFP and connect the laptop port are came up..Please guide me is there any bug ...

I have two Cat 9200-48p stacked switches with firmware version 16.12.4 CAT9K_LITE_IOSXE in INSTALL mode , at which i always receive the below console logs:------------------ show platform hardware fed switch 2 fwd-asic register read register-name Sif...

Hi AllLooking for some help with a 3850-48P switch. I went to upgrade the IOS to a later version and after going thru upgrade procedure and reloading switch, it now fails to boot.Furthermore to this it will not even boot to ROMMON mode..Tried using M...

Greetings, I have 3 branches running 4500-x collapsed core and 2960 access switches with 1GB access ports and 20GB ether channel uplinks. The network performances is significantly slower in the morning with speeds ranges of 0Mbps to max of 7Mbps and ...

Our school district has four grammar schools with very similar setups that have been working well for years, but for the last month one of the schools has been experiencing issues. The setup at each location is a WS-C3850-48P as the core switch in th...