Switching

Jumbo Frames only can be enabled at non-blocking ports. anybody knows why this limitation? How can i tell a customer that is an important restriction?Thanks in Advance!

The the refrence guide of Catalyst 4500 switch, it is said that MD5 check can be automatically be done at the boot during the copy from bootflash to memory.It is said that the comparison is done between the MD5 information in a README file and the co...

can someone plz explain what port channels are and what is the purpose of doing it....can if possible how you can configure it ....i tried to see doc on cisco website but i recon didnt get what i was looking for

If I dont put an ip address on my serial, what will it/not do ?

Hi all, I have a cisco wireless lan controller, with the cisco aironet lan pci cards, I keep getting microsoft event id 4201 errors, and they intermittantly go off and on, we have put the latest drivers and firware on both, does anyone know what this...

Can I alter the way eigrp makes it path descisions by changing the bandwidth command on my serial interface ? and can you do this for ethernet etc also ?

Hi,How can i set different MAC addresses to different subinterfaces of the one FastEthernet interface?2600 seriesThanks a lot

Hi,I have the following design: A 3745 with a gigabit interface is routing between 15 vlans, and is used with dot1q. From 15 vlans the PCs are requesting ip configurations to the dhcp server on the main interface address segment(to a windows 2003 ser...

Hi ,Could any help me on different types of LSAs in OSPF. I would like to know whats the content of these LSAs Type 1 , Type 2 , Type 3 , Type 4 , Type 5 and Type7.regardsNeo

From looking at the EIGRP topology table, what is the approach to find out which networks is a given router connected to ? For example, imagine I want to find out which networks is the router at 173.17.10.2 directly connected to ? What should I consi...

hi all,We have 2 core switches. 1 is made as vtp server and other is client. HSRP is configured between them so that in case if one goes ther other will serve vlans.I defined a vlan 13 on primary switch with a set of private ip addresses as given bel...

I have a 2940XL with a WS-X2931-XL 1000BaseSX uplink module. Can I connect it to a Express 500 switch w/ SFP module slot by a fiber cable? Which model of SFP module I need to buy for the Express 500?Thanks !

HI,I am using a 3500 switch which is connected to my Core (L3 Switch). i have made the fast Ethernet port 15 as a trunk port and have created a vlan interface.my problem is that my trunk port and interface valn both are showing up but i am neighther ...

Hi,Im seeing some strange behavior from a router which I have just configured. Before I left the site, I tested for the ability to remotely connect to the router using SSH from a pocket PP. It passed.Now I am back at my office and can still connect f...

Have a 4503 switch at the core configured with a trunk port to a 3560 in an IDF. We disconnected the fiber on the 3560 to do some testing now the link wont come back up . Any ideas. We've tried shut no shut on the ints, rebooted the switched noth...