Switching

Hi,I have 1 3550 and 2 2950 switches connected using a GigaStack Cable using the below setup3550 (Gigastack to 2950-SW1 and 2950-SW2 using Port Gi0/2)2950-SW1 to 2950-SW2 using GigaStack(Ports Gi0/1 on both)I somehow cannot seem to configure a 802.1q...

Hi,I will be crazy, I read in (CCNP BSCI Official Exam Certification Guide, Fourth Edition) Page#64 the author said,"If the querier does not receive a reply from each of its neighbors, it repeats thequery as a unicast to each unresponsive neighbor un...

hi all, this may seem a very stupid question but i just cant do it. I was reading Unicast-Prefix-Based Multicast Addresses and under that i am confused on how to calculate plen ? this is the example given in cisco press deploying ipv6. Unicast Prefix...

Here is the deal. I am certain that this doesnt belong in this category, but i trust the security people more than anyone. I have a website that i cant access from a certain subinterface. I logged onto the guest VLAN and able to get to it. It has alw...

This process on our 2950 is humming at 16%. The rest of the switch is at about 20% utilization. The switch bounced....not sure why

Guys,I will be implementing access-lists in 3560 switch. Hope you can help me with the configuration. I'm planning to block all ports by default and only allow ports that the user need to access. The ports will be as follows, tcp - 80, 81, 8080, 25, ...

We have a network of around 200 Cisco devices including Routers, Switches wireless controllers.I want to do the health checkup for those devices. Any idea what should we check during the health checkup for the network devices.Here i want to mention t...

Imagine that I need to write an access-list to allow traffic to 228.0.0.0/8 and231.0.0.0/8Then I wrote down the binary for both of them and tried to find a pattern. If I do 228.0.0.0 3.255.255.255 I also include "229.0-255.0-255.0-255" and that does ...

I need to add 2 ethernet ports to my 3845 routers in order to implement HSRP. What WIC or NM should I use for this?

Anyone know how to change a catos device password , telnet or enablepass via snmp if you know the community strings. Have been unable to find anything on the website and don't want to have to go thru the manual recovery process. Any webpages I ca...

I have a switch WS-C6509-E with supervisor 720 up and running. I inserted a new WS-X6748-SFP module on an empty slot (hot insertion) and after the online diagnostic I received the following error: "%PM_SCP-SP-3-TRANSCEIVER_DUPLICATE: Transceiver in L...

Hello,complete novice here.... just established a new network to add to the mix where do I start ? thanks