Switches - Small Business

Hi Guys,    We are migrating our 4507 (IOS 12.2) to 6807 (IOS 15.5SY). We notice the qos command is different.   below is the existing command in 4507. qos map cos 5 to dscp 46qos ! interface GigabitEthernet3/1 switchport trunk encapsulation dot1q sw...

Hello everyone We all know Bootloader will be upgraded when you upgrade your IOS ( Not all time ). Could you tell me how to upgrade or downgrade bootloader manually? ( Catalyst 2960S or X or any other catalyst series) I think we should downgrade IOS ...

Hi everyone,Do you have any thoughts why running the command 'show interface' on Cisco Nexus switch device may not return mgmt0 interface in the output, while running 'show interface brief' or 'show interface mgmt0' always does? The interface has 'up...

I am running version 1.4.7.6  8 Switch ring stack 2147480273 2017-Mar-25 11:58:51 Alert %STCK SYSL-A-UNITTRP: UNIT ID 6,Trap:%Environment-A-ENV-MONITOR-CHNG: Temperature out from the critical threshold, enable all ports 2147480474 2017-Mar-25 11:5...

Hi,   have here a nativ 2*SG550XG-8F8T stack. Today I received this messages.   It looks like only unit 2 was rebooting, but the unit 1 master did not respond to pings, at least 1-2 minutes at this time. Therefore our HA disk appliance (iSCSI & NFS) ...

Hello everyone, does the SG300-28 support Privet Vlan configuration? asking since a condition to configure privet Vlan is VTP transparent mode and the switch doesn't support VTP Thanks.

Hi, I'm trying to add an additional vlan on to an SG300. I've created the vlan, but when I try and assign the vlan interface a static IP, I get an error message 'No more IP addresses could be added'.I get that error from both CLI and GUI. Currently, ...

Hi, it is possible to stack two sg550xg-24f using an "sfp-h10gb-cu" cable , and manage them as a unique switch of 48 ports? in this case, should i configure a LAG between two port on different switches? (ex xg1 on sw1 and xg1 on sw2) in way to have 2...

Hi,   the 2F10 (unit2) crashed today. The upstream links to 2*SG550XG were dead till rebooting the whole stack.   Is this a know issue? Btw. the stack is for availability reasons....   FW: 2.3.5.63   2147483090 2018-May-31 05:38:06 Error %UDLD-E-MALF...

Hi there, i have some problem with my network, let's say.. my topology is like this :   Router - Cisco C2960-X (Vlan 1 & 100) - VM Host > Internet Connected to Vlan1 - and from Vlan1 to Router (port1) : WAN > VM Host Connected to Vlan100 - and from V...

Good day,   We have two SG300 52MP's with Auto Voice VLAN7 set. Working fine with desktop and phones in the ports. All access switches are plugged into two 3750's (distribution stack) We setup a SG350 and set the voice vlan ID to 8 as no more IP's av...

  Hello all,   I have an SG300-28 and recently I was in need to reset/Restart it via the button as I messed up the config. I used a pin and I feel the button pressed - I tried this for up to one minute to hold it but nothing happens. The only way I h...

Hello guys. I am wondering if SG350/SG550 series switches will be supported in CNA. Do someone know when (version/date)? Is there someting like CNA roadmap? Many thanks.

Any idea on how to configure QoS of cisco smart switch?  I have no idea of what is DSCP and CoS..