Switches - Small Business

Hi all, I have a ESW-540-48 with firmware 2.1.21 (latest)I have the strangest problem: I can 't find the MAC address of a computer plugged directly on the switch in the ARP table.I'm trying to search by MAC address, and also by port .  If I reboot th...

Last week I had an issue where users were having trouble connecting to devices, interruptions, etc. I noticed some host flapping on quite a few ports in our engineering lab which looks to be a loop. I'm trying to figure out where/how this started. Th...

Hello,I have a brand new SG300-52. I was able to successfully access my switch remotely when on Layer 2 but once I switched to Layer 3 and reset the switch to factory settings I can no longer configure it to be accessed from the outside. When the swi...

Hello everybody! I got 2 small business sg300 switches, actually I have a Catalyst2960S working in my environment. The thing is I need to create VLANs using the small business SG300 switches and propagate those VLANs to the C2960S using the GVRP prot...

Hi,I'm dealing with very strange situation here:) I have there ESW540 switches and I've recently changed management vlan and IP on all of them. Most of the time I can connect to them but recently I've noticed that I lose connection to management IP a...

Hi i have a small issue herei created a vlan 2 on my cisco switch series 300, in create vlan sectionthen i went to interface settings i edit the port i want to be used on vlan2 and i change the settings to access instead of trunkthen i went to port v...

I have a problem with  a SF300-24 24-Port 10/100 Managed Switch. One of the interfaces loses the vlan configuratiuon whet the switch restarts. Off course I saved the changes. I tried  to upgrade the switch but still have the problem. This issue happe...

como puedo configurar y administrar un switch cisco sg200-26donde puedo descargar un manual tecnico o guia paso a paso como referenciaes la primera vez que usaremos este switch,  quien me pued ayudar por favor.

I have a Cisco SG300-10 which is configured to be in layer 3 mode.I have configured GE7 into trunk mode and I have tagged the VLANS 10 and 11 to this VLAN.VLANS 10 and 11 respectively are set-up with correct IP configurationVLAN 10 is 10.10.10.254VLA...

For the new .ros I received because of a bug, they gave me a new bootloader. How do I update the bootloader?Sent from Cisco Technical Support iPad App

I need to port forward on a cisco 881. There are 3 subnets configured (10, 172, 192) and ACLs for NAT and VLAN ACLs that block certain IPs from within the local network and outside network coming in. I'm trying to get ports open for internal IP 192.1...

First before getting into my actual post, please allow me to briefly express my sincere aggravation at this Cisco website for it's lack of proper IE 11 support.  When I try to create a forum post, well, there is no way to do it.  The old Create a Dis...

#ObjectiveConfigure SG-300 to dole out IPv6 addresses from a delegated /64 dynamic IPv6 address space.  Or to dole out delegated /64 IPv6 address spaces after acquiring a delegated /60 IPv6 space. #CONCEPTUAL QUESTIONS - Can the SG-300 be configured ...

I'm looking at the txt file downloaded when I did a backup of my running configuration.  I guess I expected it to look like an IOS configuration.  How can this possibly be a viable backup configuration and how do I get to a txt file that allows me to...