Switching

Hello,   I've been trying to understand why I suddenly can't SSH to a second switch stack. We have two separate buildings; an Admin building and a News building. We have an Admin stack and a News stack of 9300-48T's. These two stacks are connected vi...

Hi so im wanting to link a cisco layer 3 switch with two vlans and then once it goes through to the firewall and then once it arrives at the firewall i want it to send the traffic to the right vlan 

when upgrading the industrial switch (IE4010) to version (152-8.E1), the upgrade fails and the switch boots to the backup IOS the command needed is    boot system sdflash:/ie4000-universalk9-mz.152-8.E1.bin or without / boot system sdflash:ie4000-uni...

So, I'm working on a project that requires Linux host running different programs, and a BMv2 P4 switch in Mininet. I thought a topology as running VM in KMV with my applications running on them and connecting it to BMv2 switch in the Mininet. Is it p...

Hi all,I'm trying to wrap my head around the connection/relationship between CoS (Class of Service) and QoS (Quality of Service). I read the explanation on this link, but did not fully understand yet. Can anyone help me clarify? I recently realized b...

I need to replace a failed Catalyst 3850 stack member and after reviewing this documentation https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/37e/consolidated_guide/b_37e_consolidated_3850_cg/b_37e_consolidated_3850_cg...

Difference between install Mode and bundled mode,please explain.in stacking --Bundled mode requires same IOS at all switch but in installed mode,Active switch push its IOS to member ones right?

Hello all,I have a 3 stack of Catalyst 3750Xs that are having issues communicating with a Catalyst 9300. The site is complaining of slowness issues, and after running diagnostics (ping drops 0 packets from 9300 to Core but the 3750X > 9300 drops a lo...

Sometimes I need to put untagged in the AP to work.Sometimes I need to put vlan 1 in the AP to work.Why?I am referring to management vlan?

 Suppose scenario like this   Does this configuration capture internal traffic  ? Suppose there is communication between access switches on vlan 10.Configuration on the core!flow record NetFlow-to-Orionmatch ipv4 tosmatch ipv4 protocolmatch ipv4 sour...

Hi, is there any issue if one end interface speed of direct link is set to 100mbps and the other end is set to auto-negociated or set to 1Gbps? can anyone please advise? thanks in advance!

Hello,I want to power off a Catalyst 9300 switch with "power supply 1 slot A off", and I have the following strange behavior.A single 9300 switch with one power supply: "power supply 1 slot A off".The switch turns off the power supply, but then immed...

Hi , we received some new 9300-48p switches, software brand is Bengaluru 17.6.xThe Auto-Qos commands don't present. Can anyone please advise how to enable default Auto-QoS commands on switch? thanks in advance.