Switching

Hello,Recently I discovered that when a switch is added to the network one of our monitoring tools that is pinging a group of servers in our datacenter detects duplicate replies to ICMP requests. I used SPAN and Wireshark to verify. I suspect this ia...

Hi all,Assume I had Catalyst 3560X/3750X with 24 ports. The partnumber is WS-C3560X-24P-LI would like to how is the numbering defined if the switches have a C3KX-NM-10G installed with 4 SFP-GE-LMaybe I think the four additional ports are 1/25 - 28 !?...

Hi,I have a fairly redundant network setup. For my clients, I use VRRP to get a redundant default gateway (2 routers, R1 and R2). This works fine. As the clients use DHCP, I use an ip helper address to get to the DHCP server on a different subnet.I h...

Good day,I need a CISCO Switch... which have 12 ports for Fiber and 12 Ports for ethernet (gig ot 10gig).kindly specify, whichn model is available, and which module have to use  for fiber..thankyou..P.S. I have seen 3560,3750 datasheets  , but didnt ...

Hello,We have Four 2960S Switches in Stack.  We have created Multiple VLANs.   While Pinging from Member PC to Member VLAN IP on Switch, we are getting Higher TTL response & Some ping breaks for One Particular VLAN...    While pinging from Member PC ...

I have a 4506-E with the following supervisor module:WS-X45-SUP6-EIt currently has 2 TwinGig converter modules installed. I want to upgrade the 2 1Gb connections to 2 10Gb connections. First I took out the converter modules and installed 2 X2-10Gb-SR...

Our network suffered a significant event today and have been wondering about root cause.  Shouldn't the layer 3 side just drop bpdu packets and not forward any.

i am trying to configure my HP 420 access point. I have configure different  SSID on it, This access point is connected to cisco 4500 switch, i have configure trunk on up link to  access point.my problem is the client are not able to get an IP addres...

I have two switches connected via a metro fiber handoff so the effective bandwidth is 2Mb rather than the 100 Mb that is negotiated to vendor switch I want to protect voice and video at  all cost at the expense of all else.would it be better to shape...

I have use case for mobile IP, but am unsure it is the right solution.  the problem is setting up a wireless network with roaming IP phone users.  There are two options; one is to span a vlan to be used by phones or use mobile IP to allow roaming bet...

im looking for a cisco switch that has 24 POE ports, i was wondering if anyone could point me in the right direction a 2960 is to high spec for what we need but an SG200 type model will suffice, i have looked online for ages but none of the products ...