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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hi all, with spanning tree, if a port goes up and down will this cause tcn's to be sent out to the whole network, and would this cause each switch to flush its mac address table, or does it reset the mac aging timer to 0 which does the same thing?che...

HelloI'm a little new to this whole switching and I want to learn, but I'm getting opposing opinions and examples.So I'm working for a company where we have a distribution switch, in the config of which I have found this:interface Port-channel14 desc...

Jamesch85 by Level 1
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Resolved! NAT Issue on 1711

Hello,I am trying to get out to the internet on a PC connected to my 1711. PPPoE has been configured properly as I receive an IP from my ISP for the Dialer 1 interface. I can also ping websites fromt he router. However I can not ping websites from ...

We are building a new Residence Hall on our campus. The question has come up on what type of fiber to install SM verse MM. The backbone is 1GB and the distance is 2500 feet. It looks like Single mode fiber will deteriorate a 1GB connection at 300 met...

flaggmd by Level 1
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Hi Experts !!!Request you guys to suggest me the Enhanced Image for 2950 and 2960 switches.My requirement is to mark the packet on these switches using Class-maps/MQC. 2950=======================================Switch#sh verCisco Internetwork Operat...

Hi,I am wanting to put a standard ACL on an SVI which "houses" servers, permitting only allowed clients to access them.For exinterface Vlan196 description VL196_Servers ip address 172.16.196.251 255.255.255.0 ip access-group 1 in no ip redirects no i...

cbeswick by Level 1
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Ok, not sure if anyone here can help, but I am really against a wall here. I have an environment that is mostly Nortel switches, but I have a requirement to setup some IDS equipment (Cisco IDS) but cannot setup a SPAN port to capture all the traffic...

nickehunt by Level 1
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I am trying to upgrade my 6509-e boxes from hybrid to native ios. The doc i have been following is below..http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a008015bfa6.shtml#conv_32I have uploaded the new os and set the con...

Hi,Just after some "best practice" advice on the following: We have two 3750's(3750E-24TD-S) stacked, and a 7200 w/NPE -G1 - We are wanting to connect two of the GigE ports of the NPE to both 3750's(In case one switch fails) - We currently have it se...

I want to create a new VLAN and just want to be sure that my thought process for this is correct. I first need to create the VLAN on our switch, and then need to create the sub interfaces on the Router's ethernet inteface for the VLAN's. Does the por...

bmtcisco by Level 1
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Hi,I want to know how to configure HSRP between Active Router, Standby Router, Active Switch & Standby Switch and tell me how the network connectivity between these devices should be.

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