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Yo! Okay firstly how have you configured these switches in regards to VLANs? Are you using the default configuration for the switches? Are you running spanning-tree at all? You seem to be getting a lot of broadcast storms? The traffic received on one switch will be sent to all other switches if...

Thanks that was a good reply. Yes of course to enable routing we need different networks configured! Ahh! This reminds me of all the stupid/lazy mistakes I have made during the sojourn of my routing/switching career. Thanks for reminding me ;)))

Dood! Can you please paste the error messages you are receiving to a reply of this post??? I'd like to check them out. As for comparing buffer allocations, I'm sure I can get a few commands. The 4006 that is sending out all these UPD msg's can you send also the output of a show port? I'd like...

Yo dood! Here is how you do it: switch#vlan ? database Configure VLAN database switch#vlan database then hit enter! You will get into the "VLAN database" mode, I did this on a switch that was running 11.2(8)SA5 (an older version than yours!!!) and this switch is working/running...

Great to see you solved it yourself!

Have you checked the command reference for this on CCO? It should be there... ;)

Hiya AC! Okay, have you enabled portfast on the access-port that is going to this Win2k client? What settings are configured on the Win2k's NIC's per speed/duplex? Are there any errors on the interface to which the switch is connecting to? Have you tried different Win2k boxes - other laptops...

What is the exact error message you are receiving? Please paste the message in this window. I will have a look at it for you and then tell you what you can do.

How wrong you are wybnormal, do some research before giving others advise to your inadequate conclusions... Read this link - http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t/121t2/dt_dhcpc.htm#43408 You need minimum 12.1(2)T, the T train provides the specific...

It is possible to port-replicate, ie the data that is coming out one port is copied and sent out another port. For more information visit http://www.cisco.com

Q) How do I configure my Cisco-803 to receive it's IP from a DHCP server? There is only one active interface and that is E0 (ethernet 0). This is what I have done thus far- ! no ip subnet-zero ip dhcp relay information policy keep ! ip dhcp pool cable network x.0.0.0 x.0.0.0...

When you setup 2 differnt VLANs you will need to also setup a gateway for both the VLANs. Each device on a VLAN will have a default gateway, this way services on different VLANs will be able to communicate to each other via the gateway. NB: this only needs to be done when you are using...

The Cisco 2900xl series of switch is a robust workgroup switch. I support many of them in my current job. It runs IOS and is pretty easy to configure. In terms of support, I think it is blatantly obvious that Cisco would provide the better support level, I think 3Com is out of business soon...

SYS-3-PORT_ERR: Port [dec]/[dec] [chars] ([dec]) Explanation This message indicates that a port error has been detected; [dec]/[dec] is the module number/port number, [chars] is the port counter name, and ([dec]) is the counter value. Action Contact your technical support representative...

Are these ports plugged into anything? Is the switch running CatOS? You will only be able to ping the supervisor engine if you give the switch an IP, or the gateway for the vlan that you have defined...

Seems to me that the switch you are trying to connect to from the Cisco switch does not support the trunk encapsulation. Try using dot 1 q as your encapsulation instead of ISL. You can only trunk to a switch that supports your trunk encapsulation, Cisco supports two types by default: 1# ISL...

Just pull out the MSFC out of the SUP, why do you want to disable the RP in this case? You can try shutting it like you would a normal blade in your switch but I doubt that would work. Why would Cisco permit you to shut an MSFC? Don't buy it in the first place....

What error messages do you see when the switch shuts itself down? Does it restart itself, or does the supervisor just bounce? Do you see any tracebacks? What does your log show you? Have you checked for caveats according to the release of CatOS you are running and your firmware? Try these for...

Hmm there could be a caveat for this or a known problem that has been logged by cisco...?

You only have to assign IP's to the management interface of the switch NOT TO THE INDIVIDUAL PORTS !!! It is a switch, there is no layer 3 being done on the interfaces of the switch (unless it's an XL series or L3 etc, basically unless it's an L3 switch). So this is what you need to DO: you...