Switching

hi,Is it normal that a PC - connected to an IP phone- sends BPDUs? I have one PC that often gets disconnected because the port is in err-disable state:Port      Name               Status       Reason               Err-disabled VlansFa1/0/2   --- Fira...

I have found the following question:What happens when you try to create a trunk link between two switches that have their ports set to dynamic auto?a. The link will become a trunk link.b. The link will become a nontrunked link.c. Both ports will be c...

Folks:It is almost impossible to find literature on market data networks (MDNs). I need deep technical dives on the architecture, traffic flows, practices and products that one can typically find in MDNs. Does anyone have such a white paper or book t...

During the process of delivering  the cisco 6509-E switch to the customer, they asked me to show them the Catalyst 6500 256MB DDR, xCEF720 (67xx interface, DFC3A) memory, which is included by default, on the switch. i tried to see it on the sup engin...

Hi,I have a D-Link switch  connected to the "PC port" of an IP phone. It often causes the IP phone to unregister. I first thought it was BPDU Guard that err-disables the port, but with my actual config, I no longer am sure:TNSWACCS01A1#sh run int fa1...

Hello,I need to gather some general information about network infrastructure in hospital. Things like which network devices we need and generally how much load each department creates in our network (e.g. the operation room, the reception, etc.) and ...

When we run "sh proc cpu" command, we see these outputs. what does ios-base process mean ?ver : s72033-ipservicesk9_wan-vz.122-33.SXH7.binWhat we supposed to do to reduce cpu usage ?Thanks.

I am trying to see if there is any way to view the DSCP or COS values incoming or outgoing through a physical port or vlan interface.  I am able to see matches if I create a policy-map.  Any one have any other ideas?

Hi,I have some 5 branch sites. All are having cisco 1811 being used for VPN connectivity. The IOS details are as below.Cisco IOS Software, C181X Software (C181X-ADVIPSERVICESK9-M), Version 12.4(15)T10, RELEASE SOFTWARE (fc3)There is a strange issue. ...

I am running some legacy switches (C2900XL running IOS (tm) C2900XL Software (C2900XL-C3H2S-M), Version 12.0(5.2)XU).It runs as an isolated DMZ and I am trying to connect an ESXi server (VMware server) to is with a couple of VMs on it. I get a connec...