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I have a catlyst 4003 switch. I need to have a few ports setup on both vlans the default and the voip. What are the commands to have the ports be apart of both vlans and how do I setup the QOS. Thank you.

I would like to know what would be the best way to resolve internal lan "SYN" Packets on a Windows network. Any help would be great. Thanks. My monitoring PC has identified a lot of pc's that is generating Excessive syn packets within a 5 minute period. Is there anyway to track this? How can I...

Since I restored my router to factory and re-configured the running / startup config, I receive the following message via the console - Port Statistics for unclassified packets is not turned on. - How do I fix this ?

I ran a scan for Rogue dhcp servers, none where discovered. Could there be routing issue ?

I have a 2003 DHCP server connected on my core switch.All of my other switches are connected to the core switch as well. The problem I am having is that when a device tries to receive a dhcp address they get a "255.255.255.255" subnet mask. The proper subnet is setup to be "255.255.0.0" we have...

What is the command to clear the running configuration from this switch?

Hello, I am receiveing the following errors on the below listed devices - Catalyst WS-C4003 - PAGP-5-PORTTOSTP: PORT 2/17: Left Bridge port 2/17 : Joined Bridge Port 2/17 - Catalyst WS-C3508 - %SPANTREE-2-RECV_1Q_NON_TRUNK Received 802.1Q BPDU on non trunk GigabitEthernet0/7 on...

Hello, Router 1 IP is 10.20.0.1 Router 2 IP is 10.40.0.1 Router1 can ping router2 and get a reply Router 2 cannot ping router 1 Success rate is 0 percent

Hello, I am attaching a copy of "SH ip Routes" from two routers. The problem, router2 cannot ping router 1, WHY!!! Configs: Router1#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area...