Switching

Have a Cisco 831 DSL router pulled from working environment. I've tried a number of CLI entries to get the router to simply connect to the Internet with no success. At one point, I could ping Internet provider gateway and DNS server. I know more t...

Hi I have 2 cisco 2950 switches connected/linked together by 2 EtherMux Microwaves 100Mbyte Link, one on each site. These Ethermux Microwave devices only support 100 Full duplex. Before I turn on the 100 full duplex on the switches, the link is very ...

hi! If i want to allow only vlan 100-105 to go through a trunk between 2 switches. Do i need to remove the existing vlan from the trunk first(default all vlan are allowed) and then add in vlan 100-105? or just issue the command "switchport trunk allo...

Hello,I'm very new and looking to learn. I'm currently reading books and online materials. I am in the process of configuring my router a 3640. Can i configure my router to work with my ISP, I want to replace it with my linksys router. I don't have...

I set up three vlans on 3560 switch(using command:switchport access vlan #) But when I connect my PC to any port assigned to those vlans including vlan1(default), my PC cannot obtain the IP address automaticlly. How can I solve this problem? Many tha...

hi all,today every thing was going good at the university where i work in network support, until the following appeared on one 4506 switch01:56:29: %C4K_EBM-4-HOSTFLAPPING: Host 02:01:0A:00:00:01 in vlan 1 is flappingbetween port Gi1/2 and port Gi6/2...

Hi guys.I got a call from a customer where they said that they cant get a 6504 with a Sup720 too boot properly. Thay had it working on friday. they did a couple of test runs on some configurations and the last thing they did was a Write Erase.On Mond...

HiI have posted a few messages on this and have finally found the culprit.We have been experiencing input queue drops on all of our 6500 Fast Ethernet Interfaces that are in dot1q trunking mode. All links have low utilisation and there are no Input B...

*edited: never mind. I found the answer in a different book.

Hi, how can a switch in a stack cause a topology change ?Number of topology changes 4 last change occurred 5d19h ago from StackPort1

I want to forward all the traffic on P10 to P15 and drop all the traffic from P15, what commands can achieve these? Thanks a lot!

Hi all.I have a slight dilemma regarding VLANs and inter network routing.I have a network in which there are 2 routers and 2 3750 switches (with standard images on them connected over a trunk).I need to implement VLANs on the switches and I'm thinkin...

Hello,I am trying to configure our 6506 to communicate with a separate network. Currently we use STP MST and have a vtp server configured. I just added a 3550, but it needs to be on a different vtp domain. My real problem is that my current network h...

Hi allWhat is the difference bitween GigabitEtherenet & FastEthernet, what is purpose to use these in different cases. Thanks in advance.naidu