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Hi,I have an situation that I need advice/input on.There are 25 switches in a building all Cisco.At the core of the network is a stack of 7 Catalyst 3750's which have EtherChannel uplinks to all the outer switches.The core switch also serves as the d...

Resolved! CAM - aging time?

I have a PC connected to a L2 Switch. I see the MAC address as dynamic in the switch's MAC-Address table. As soon as I disconnect the PC from the switch the entry in the MAC-Table is gone..... doesn't it supppose to age out the MAC-address after the ...

All,I've got a situation that I'm not sure if I need to change.I've got a 3750 stack that's using L3 interfaces. It's configured in Dense mode at the moment. There's an uplink that connects to a Dell stack for our edge switches. The Dell stack has ig...

Hi all!Qustion about 877 K9 dls router.I have 2 vlans: 10.10.10.0 255.255.255.240, switchport FE0  and 10.10.20.1. 255.255.255.240 switchport FE1.for my dsl link i use IRB config with dinami ip address.internet connection works for both vlans.I have ...

Cisco Catalyst 2940-8TF, there are two fiber option 1. mtrj interface 2.sfp interface.I have nothing plugged into the sfp gig port. The mtrj port always says disabled, but I can't seem to enable it. Why?

Hi,I am newbie and I am at college.I like to ask you a question:How VTP support multiple VLANs across mutiple switches?Thank you for your time.M

Greetings,We have a C2948G CatOS 8.3 switch.  When we plug in an AP controller into an open port - and then unplug that port the switch drops all traffic.When I did a "show spantree" the port's role is ROOT (the only role of that kind on the switch:2...

iholdings by Level 1
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  • 9 replies
  • 0 Helpful votes

I have two switches A and B connected together through two trunks A1  ---- B1, and A2 ---- B2. present the root bridge is A, and all the ports  are forwarding. As for B, the root port is B1, and B2 in blocking. My  question is how do I make B2 forwai...

*this is all in a test environment*I have an ASA 5505. One of the interfaces has IP 10.3.0.1. Behind that is a server with IP 10.3.0.2.The outside interface of the ASA has IP 10.0.0.1, to which 2 branchoffices are connected.(Two other ASA 5505's with...

StanDamen by Level 1
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  • 10 replies
  • 0 Helpful votes

Hi,I want to attach iSCSI SAN to ethernet switches. Which method would be better: use one (or two for redundancy) 10G link, or combine multiple 1G interfaces? Does anyone know about any pros or cons in using 10G interfaces?

szymonpol by Level 1
  • 4445 Views
  • 3 replies
  • 0 Helpful votes