HI,       I am trying to setup an ACL for SIP traffic. I have hosted SIP server over the internet and i have 2 IP Phones in the office. i receive ghost calls on my both IP Phones. i want to block all sip traffic coming to my network except between SI...

Hi all, i am trying to capture SIP registration packets on 3845. i have Server A on LAN and other Server B over the internet. i setup ECP on LAN interface (direction both) and it only shows outgoing packets from Server A to Server B. it does not show...

Hi,      i have setup layer 3 switch with need to have Ether-channel Dual Up links. please see the attached network diagram. my goal is if Router 1 goes down then all traffic go through Router 2 and PC1 can communicate with PC3. i entered default rou...

what exactly bytes shows in show ip flow top-talkers. IPV4 SRC ADDR           IPV4 DST ADDR                TRNS SRC PORT       TRNS DST PORT              bytes            pkts =============           ===============            ==============       =...