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Hi,I am about to configure 6 3560 switches with intervlan routing. Each switch will have 3 connections terminating each being point to point link and the rest of the other ports will be a separate VLAN carrying user traffic. My question is what do i ...

I have a Catalyst 2950 switch that is about three years old now and recently I have noticed poor performance by the switch when I copy or move large amounts of data through the switch, for example I have one server in the switch and another in the ne...

I currently have at the distribution layer two 6509's configured with HSRP. I have 10 2950's and 5 3750g switches in the access layer using RSTP. I want to move to a routed access design but don't have the funding currently to replace all of the 2950...

SE zimm by Level 1
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This question came from our Cisco Support Community Twitter account.  https://twitter.com/cisco_supportCan ping all external IPs from an Adtran 3305, but can't ping or access some IPs from a connected ASA 5510 routed single mode.  Can you please help...

cscsocial by Level 1
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I am a little confused about the concepts of active vlan and active port.I would try a definition of active vlan:1 - The vlan must be configured.2 - The vlan must have some ports configured in it.3 - The vlan has not been shut down with the "shutdown...

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...

lamav by Level 8
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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...

A BGP router receives 2 updates of the same prefix. One is an IBGP update, and the other is an EBGP update. The IBGP prefix has a higher weight. Which route will this BGP router select as the best route to be installed in the routing table?

I am wondering why Root Bridge generates Configuration BPDU at every Hello Timer (default 2 seconds)?Non-Root Bridges relays the Configuration BPDU and keep the lowest BPDU for each port. Why to keep the lowest BPDU for each port? What happens if a p...

CORE# show env fanFAN 1 is OKFAN 2 is OKFAN PS-1 is OKFAN PS-2 is NOT PRESENTI wanted to see what the html version showed and in this format we have FAN 4 Failure Alerts. Please see attached. Can anyone tell me if there is or should be a FAN 4 to beg...

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 ...

thisthat1 by Level 1
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