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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, I have just recieved a SPF to install into my C3750 switch to provide me with a gigabit trunk to a C2960.DO I just push the SPF in and that is it? The switch is on and live, so I'm not sure if I have to down this switch first?Thanks

whiteford by Level 1
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HiHi I have tried evaluation license to 3750E base image to IP service . When i install license i am getting the following error. Switch#copy tftp flash:Address or name of remote host [1.1.1.3]? Source filename [FD01136V06N_20081206022514333-ips]?...

Hi all.I connect remote office via dlc modem and cisco 851 router and can't limiting bandwich on WAN (FastEthernet4) interface.I use following config for FastEthernet4:!interface FastEthernet4 description $FW_OUTSIDE$$ES_WAN$ bandwidth 320 ip address...

I have 4500 switch configured vlans. i want to connect server which has to two NIC cards. Each NIC card has to connect different switch but same vlan. But we are getting %C4K_EBM-4-HOSTFLAPPING messages frequently. This says between trunk and servert...

cssam by Level 1
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Hi all!Could you please help me on my cisco switch problem?My switch prompt shown below:switch:switch:switch:switch:switch:switch:How could I restore my switch back to working condition? I have an IOS image but don't know how to restore from this lev...

sannymlao by Level 1
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  • 14 replies
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Hi all,UDLD What type of UDLD will I apply for the below links. What is Cisco best practice for UDLD in a layer 2 topology?a.Etherchannel(L2) ports between the Core switches.b.Trunk dot1q uplink ports from edge switches to Core switches.c.Trunk dot1q...

colmgrier by Level 1
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  • 5 replies
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windows VISTA not obtaining IP from router(DHCP)DHCP is configured in the router and all the Windows XP and win98 systems are able to obtain IP from DHCP. but windows vista is unable to obtain IP from DHCP. We have tested the same Vista laptop with a...

vaibhav-g by Level 1
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Hello! I am trying to vlan a 3548 switch so that I can put all my public-facing devices (isp router, firewall and ASA) on this switch. I cannot get the isp device to come up on the switch. I have disabled portfast, set duplex settings to 100 full,...

Zanne001 by Level 1
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hi every body!I was reading about cef . I was wondering about switching based on layer 4 informations.1) Can switch use cef to switch packets based on layer 4 informations( port numbers).2) cisco 2950 is layer 2 switch, it is not multilayer switch. ...

sarahr202 by Level 5
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Hello,I would like to clarify a question about Protocol Independent Multicast which operates in a Dense mode. As stated by RFC 3973, PIM is a protocol which is used between the _routers_ in order to ensure multicast packets routing and forwarding in ...

AgJames86 by Level 1
  • 1938 Views
  • 2 replies
  • 0 Helpful votes