Switching

Dear Sir,In my one site I have 2960 PoE switches nearly 10nos, (Each switch have 24eth ports of 100Mbps, 2eth ports of 1Gib and 2fiber ports of 1Gib)All switches' IOS updated as c2960-lanbasek9-mz.150-2.SE4. And all are working fine,But one the switc...

I need to preface this with i am compleatly new to Cisco equipment so for give and ignorance expressed.I have a 3560G-48TS I have port 48 connected to a Layer 2 switch and the port seems to get shut off sevral times a day with this error message:Desc...

So i'm having an issue uplinking these two switches together.  Currently the ESW is in an upper building at a facility and the C3560 is in a lower building.  They were too far apart for regular ethernet cable so we used cisco 1300 series wireless bri...

Hi all,I have an issue with a new ASA.I have enable 2 interfaces :--------------------interface GigabitEthernet0/0 nameif LAN security-level 0 ip address 192.168.1.6 255.255.255.0!interface GigabitEthernet0/1 nameif DMZ security-level 0 ip address 19...

Hi,I have cisco router 3945 with ISM-VPN , I need to use with crypto tunnels.right now I am using with 'crypto-map' configuration. Is it posseble to configure Tunnel GRE ipsec protection If I have ISM-VPN module ?The ISM-VPN can handle with Tunnels ?...

This is one example, I have a NAS 10GbE connected to a 4507 10GbE interface. When I copy a large CIFS file, the resource reports are telling us we are getting 20-30MBs, OS tells us 7MBs? Apart from the obvious reported throughput differences, thats s...

I know Terminators are used to avoid signal bounce in the BUS topology but I want to understand how the signal bounce can happen in Bus topology.Please help me to understand clearly with technical notes.. you can post on Electronics terms also to und...

Morning All,I am currently carrying out upgrades on switches throughout a site at the moment, all going well until i have come accross this particular stack.I am recieving the following when trying to load an image from a .tarLRC1_2960S_Stack1#archiv...

Hello everyone,I have switch WS-C3750X-48. It runs the IOS version Version 12.2(55)SE5 (C3750E-UNIVERSALK9-M).I enbale ip multicast-routing distributed, but I cannot enable multicast/pim on any SVI in configuration mode. PIM sparse or dense modes are...

Hi AllCisco Part N2K-C2248TPE-FA-B  what exactly is this ?Is this the Fabric Extender with Fan  or is this only the Fan ?If I wanted to order this part what will I get ?

Hello, we were trying to find out if the 3750G switches did support the protocol PTP configurations? I'd like to have a confirmation who would have gone through this question?Kind regards.

We had recently an issue on our C2940s and  C3560CGs. Their uplinks ( they have only one uplink ) went down during transitions on the core switches that caused loops. On C2940 the cause is quite clear as they have older IOS and by default keepalive i...