Switching

I recently got four new Cisco SG 350 28MP PoE switches to replace some older ones, and need to decide which switch to use as my core switch.  I currently have a Catalyst 3560G 48-port switch (that has to be returned to a vendor) as my core switch (fo...

We just purchased four new Cisco SG 350 28P PoE switches.  Now, I need to figure out how to connect them to our network.  What is the best way to connect them for redundancy?  Do I connect each one to the core switch?  Do I try stacking them (with Et...

Hello i have a switch Aruba-2930F-24G-4SFP ( Layer 3)  But i have a problem about configuration CLI in HP 1) example in Cisco :interface  ethernet  1 link with switch layer 2 ( DLINK)switch trunk enpasulation dot1Qswitchport mode trunk how i can conf...

I have 6no. of Cisco 2960 switches. 3 switches are joined in Stack 1 and other 3 Switches are joined in Stack 2 with a UTP loop cable connected between Master switches of Stack 1 and Stack 2. The above configuration was working for the past 1 year th...

Hello, I must perform a migration from a 3com switch to catalys 9200 but the 3com has MSTP. The query is, can Rapid-PVST be compatible with MSTP? or MSTP with MSTP is recommended. 3com MSTP has the entire vlan in instance 0. [3COM-Distribution]displa...

I try and read and help people on here, however....Surely there needs to be some sort of competence level before people are allowed to post?I see more and more posts that I just think FFS how have you even got a CCO account?My Cat 3850 won't route? C...

1.What is difference between Media converters,Splitters & Extenders2.why it is said to avoid use of above device in LAN network ?3.Can we connect POE IP phone after use of above device on cable?

I haven't touched Catalyst 3560X/3750X's for a while as they came at an odd time where we had loads of customers with 3560G/3750G series switches already installed and no real reason to replace them.  We have put in quite a lot of 3650/3850 series to...

I noted some problems recently with some of my switches.  I want to have some blank lines in my banner motd message.  On a switch I run 12.2.58SE2 it looks great.  I tried to put the message on a switch running 12.2.55SE4 and the blank lines are remo...

I have configured my cisco 3850 swtich for L3 Routing and have followed many online resources from Cisco about proper configuration, but am not able to get the inter-vlan routing to work.  I have checked all of my commands several times and going thr...

Hi everybody,I'm using a Cisco 9300 with IOS XE 16.09, and I found something strange: Output drops. And I think that these output drops are related to AutoQoS. This is the interface configuration: interface GigabitEthernet1/0/1 switchport access vla...

i have C2960X ver15.2(2)E5 Release (FC2) it is 24 port switch none of gi interface are up except FE.. kindly please suggest ..  

Hi,I am looking for complete step by step upgradation commands for Cisco WS-C4503-E switches in VSS, as we have a scheduled activity next week for IOS upgradation. Currently Cisco 4503 is running on 03.07.03.E Version, please let me know the latest s...