Switching

I have a problem I have two interface vlan 1 and vlan interface 2 lan 1 intended as an interface vlan can not ping and connect to interface vlan 2 and another to interface Vlan1  ip address 20.20.20.1 255.255.255.0  ip nat inside  ip virtual-reassemb...

HiI don' have any idea what the following means*Apr 27 14:52:21.991 GMT: SP: PREDNLD: LC doesn't meet resource requirement for pre-download, not reserving memory for slot 2I haven't find any useful information on googleany guy help me?*Apr 27 06:49:4...

Hi All,Just wondering if there was any way of querying a port on a 4503 to find out when it went offline and when it came back online??

Hi all, I'm fairly new to all this so please go easy! I have a 2940 switch which had the wrong VLAN on it (the equipment we had running through it hadn't been used for a while & no one noticed it wasn't working until now). I found the switch port was...

Hi,After an upgarde of 2960/3560/3750 to IOS 12.2(55)SE1 all interfaces with the "no cdp enable", receive multiple autogenerate cdp commands. Same behaviour after a reboot.Before the upgrade or the reboot :interface FastEthernet0/6 switchport access ...

I am seeing that there are many options for spanning tree type, is that correct?RSTP Link and Edge TypesLink-Type point-to-point: Links between switchesEdge-Type point-to-point: Link between switch/end userLink-Type Shared: Link between switch and a ...

Hello All,I have a strange problem.Fase 1: I begin with a test lab, 2x core (C3750) + 2x access (C3560).The core switches are routing, and the vlan can communicate to each other.Fase 2: I put the switches in the corporate network and all divices are ...

Dear Tech Gurus,I need a small clarity regarding Cisco Catalyst 4500 Supervisor Engine 6-E.It has Dual 10 Gigabit Ethernet uplinks (X2 optics). -----------   Can I connect this two uplinks to a distribution layer switch.Say yes or no.With ThanksChait...

The network-topology looks the following chart.When port is blocking ports at PVST mode, LED is orange blinking.what color of LED is at Rapid-pvst mode?Please look at the attached files.**********************************Catalyst2960S Gi1/0/20(Blockin...

Hi,I need to replace line card in 4006 Switch, Please give ur suggestion.NOTE: it is a production environment.Regards,

If I have both options available to me...what is the "best practice" for booting?  From flash or compact flash?I've always booted from flash but inherited some 3725s that were set to slot0:.

Hi experts,Does anyone have implementations examples of a "mirror" network in large datacenters designs for monitoring purpouses using TAPs (ex. netoptics or gigamon)? I'm evaluating some monitoring solutions but it's mandatory to configure mirroring...

So I currently have a basic 16 port switch.....I need to upgrade.  And I am looking at the catalyst 2960 48 port.....So my question is this WAY more than I need.My current config is this...internet........dslmodem.......cisco firewall.........basic 1...