Switching

Is there a procedure to upgrade 3750 FE stacks to 3750 GE without losing the config?I have a stack of 4 3750's, 1 (Master) is GE, the other 3 are FE switches. I want to replace the FE switches within the stack with gigabit switches. Is there an au...

Hello, I have an existing customer with a single T-1 Internet connection terminated in a Cisco 1700 router. THey are going to a 2x T-1 connection, future upgrade to 3x T-1, and are considering a new router, or a carrier-managed router (2800) with an...

Hi all, can anyone tell me, does ssh use ssl to encrypt the traffic or are they 2 sperate things ?

Hi,According to the following:http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6586/ps6642/prod_white_paper0900aecd804fa16a.htmlin order to help tighten a CoPP Policy:"...Step 3. Review Identified Packets and Begin to Filter Access to the...

HiWe have been experiencing some problems on a 6509 switch which routes primarily using Policy Based Routing. PBR has been configured to fast-switch (by issuing ip route-cache policy) in all VLANs.The problem is that users connected to certain VLANs ...

K2PacketBufMonitor-P 1.00 2.88 10 1 100 500 3 2 2 2871:01Who can tell me why?Thanks!

Some numbers of Cisco 2950 Catalyst Switch ports have gone disabled. Whenever a "no shutdown" command is issued, it says the port cant be brought up because it has been disabled.I've tried to use Spanning-tree to detect if there are blocked ports or ...

Have a dot1x issue where critical VLAN configuration does not work when a user/supplicant connects to a 3560 dot1x port when radius server is down/disconnected. This lab example is on interface f0/11. The switch debugs scroll repeats of following mes...

Hi All,Can someone please tell me what's the difference between BPDUGuard & RootGuard?? In general, do i apply both of these on all access switches ports??

We are having problems with throughput on 3560 switches and I am looking for a way to evaluate the actual speed of gigabit links between switches. It looks like ttcp does not work properly for gigabit or else I don't know how to read the results. I...

Hi all, I have to upgrade firmware in one of my router 1800 series. Can somebody guide me how should I proceed to upgrade firmware. Just small doubt is there any particular difference between firmware & IOS? If router running with old firmware is it ...

Guys,Just something we are testing in our ccie voice lab and wanted to know if we daisy chain PC to Cisco phone, if the phone is aware of the data vlan or PC since the PC is connected directly to phone or is it transparent. i believe the phone should...

Does anyone know the exact time that a hw-module reset takes in seconds?