Switching

Hi,we have just discovered some error messages indicating stack port flapping. we have swapped stack cable, but error messages wouldn't stop.It is a 2 x 3750 cisco switches stack, and it has been up and running for quite a while. The redundant stack ...

Hi Guys,I'm new here, and have a question to get things rolling:I recently setup a new user and managment vlan on my network which has been up until this point running all on vlan 1. The problem is I cannot download data at over 9mB/sec from an end ...

Hi,I am wondering if someone can help me in finding a "scalability testing" utility which can analyze the existing setup, accept information about my future needs and provides as a result recommendations about the capacity of my devices and network?R...

As I understand matters a reflexive (dynamic ACL) is one in which the 'outbound' traffic is defined in an ACE and the network device dynamically builds a return ACE for the returning traffic. If I am correct in my understanding then:-Are there any la...

I have setup an etherchannel. How do I get majority of the traffic to go over the 1st link and not half half?Thansk

Guys,Have an interesting one (I think)So, I have the following------eth1-rtra-eth0------------------eth0-rtrb---------rtrcsubnet 10.0.0.0/24rtra-eth1 (NAT inside)rtra-eth0 IP .1 (NAT outside)rtrb IP .254rtrc has external network 11.0.0.0so I have co...

All, can you tell me how to create a fake VLAN, that if a end device was plugged into the switch, it wouldnt go anywhere?

I have dual-homed some servers to my switches from the server end. Only one NIC card is active at all times and if the primary one fails, the backup takes over. What's the best practice on the switch end about portfast? Should I enable it on both por...

Dear All,I have a 2610 router that is running OSPF and ISIS, I want to connect the router to an SDH NE (Alcatel) which is not running IP. However it has an NSAP address. Is there any special configuration on the router's interface connected to the NE...

Hi Guys,I came across this strange scenario where in the Cisco Switch 3560 does not boot automatically after reset or reload but when i force to switch to go to password recovery mode i mean Switch: mode and give boot command then the switch boots fi...

I have Cisco 4006 and 4506. Both have the Sup II's. I wanted to run native IOS vs CatOS but I cannot unless I upgrade to Sup II + or better. These swithes are running ver 7.6(6). I recently added another 4006 switch but with the latest version of...