Hi, Nowadays, we don't find anymore 56K Serial Com port modem in the market. Most of them are using USB port type. If we were to connect to AUX console port of the router, we will use the Cisco AUX console cable which is RJ4-45 to DB25 then DB25 to D...

Hi,We are using Cisco Call Manager ver 4.2(3)sr1 and voice gw (C3745-IPVOICEK9-M), Version 12.4(13d. We experience the voice choppy issue when receiving/calling external party. Does anyone have any idea on this ? Is it due to ios , voice gw or call m...

hi,When I type sh arp on C6506 core switch can't see the arp table. Any idea ?

Hi,Does Catalyst 3550 switch support inter vlan routing ?