Switching

hi, how can i prevent arp on the switch ?to prevent users from user WinArpSpoofer

Dear Expert,I am having confusion about if Originator id is there then why cluster id is required for loop preventionPlease guide or if anybody have link to document please share with meMahesh

Hi,I have a 876 router, configured with 2 VLANs. Fe0-Fe2 are in VLAN1 and Fe3 is configured as a trunk port. There is a wifi AP connected to Fe3, the AP is configured with 2 separate ssids, one is member of VLAN1 the other VLAN10.Everything works per...

Specifically I'm looking for the number of 7945's that can be powered with a 3560-PS-S (24 or 48)Is ther a document or tool that calculates this easily?

Hi, we are trying to configure trunking on Catalyst 3750 so that our Dell switches can retrieve the VLAN information from the Catalyst. However, we need GVRP to be enabled on the Catalyst. Is there any way we can do this? Thanks.

hi all, suppose i have 3 routers RA, RB, RC connected to each other like this RA --> RB --> RC100 200 300now when RB propagates any prefixes recieved from RA to RC it modifies the next hop to itself right ? is there any way to retain the ip add...

3 systems linked to same vlan.This vlan is present in 2 different switches. One of the systems located in the 2nd switch is unable to talk to the systems in the first switch within the same vlan.2 systems out of this on the same switch under same vla...

Hello,I've got three routers I need to reset and configure - a 1601, 2621 and a 3640. I'm using a Cisco console cable (RJ45-DB9), and one other cable that I made myself and verfied as working on a Catalyst 4006.When I plug into any of the routers I ...

hi every body recently we replace old cisco router model 2522 with model 3845 to apply IPsec configuration . it was as the following crypto isakamp policy Xencr aes 256authentication pre-sharegroup 2crypto isakmp key xxxxx@adress x.y.z.wafter applyin...

HelloI have a doubt of how proceed in the implementation of the ROOT GUARD in my LAN 1. Its better to implement the ROOT GUARD ( per port config ) on the CORE switch (6509 ) or on the ACCESS switch ? ( 3550 ) 2. Its correct to implement Root Guard an...

hi all,how can i disable sniffer from the switch ? is there any option inside the switch that would disable/drop .... these sniffing app ? so that they can not read everything on the network ?

I have installed the SDM and the SDM demo software to test using the SDM. I followed the SDM demo instructions, to use 127.0.0.1 as the loop-back IP so as to use the demo. But I get the message "Unable to Launch SDM".One error suggestion is the wrong...

hi all,how we can check if serial interface is passing traffic or not?