Routing

Hi,I have a couple of hosts on a remote network which are infected with a Trojan and various other malware. The hosts themselves are on a DHCP network and I would like to block access from these hosts using a MAC filter.Is this possible on 12.4(24)T2...

I am interested in a Cisco 1941W or 1941 specs state it has 2 x Onboard LAN 10/100/1000. The datasheet sheet calls them WAN then LAN ports. I've seen the Cisco Router performance PDF which states this model does upto 25Mbps throughput.  Does this mea...

HelloCould someone help me with an extended access list that I try to figure out.I want my router to only accept various /16 prefixes and deny everything that is greater than /16.Right now i get these networks: 192.12.0.0/16       192.13.0.0/16     1...

i have spent some time trying to get DDNS to work with freedns.afraid.org. they do not use the name:pw authentication the others use, they use a SHA key at the end of a string.http://freedns.afraid.org/dynamic/update.php?U2lnOWswTVRTTUl-and-so-onyou ...

deal all,can you ppl please suggest me if i want to limit the bandwidth per "network" yes i am saying per net how can i do it..scenario is .. we are getting a big pipe from our ISP now we want to limit the bandwidth per client... like in cloud model ...

I have recently purchased three Cisco 2620 Routers on eBay, I am currently taking CCNA 4. I want to upgrade the IOS of the routers. When I go to the download page after signing in to Cisco.com I am unable to download anything. I am advised that To Do...

I would wondering if Flex Link would be supported on a layer 3 Etherchannel? The document states that is works on layer 2 ports or port channels and not vlan or layer 3 interfaces. Since I am defining my layer 3 on the sub-interfaces i was wondering ...

Can someone detail the 'debug' command or similar functionality that will allow me to see IP traffic out of my FastEth0/1 port?This router sits before a VPN router that supports many links to other company sites. I want to see (without a sniffer) wha...

I have install a new PCMCIA Flash 24MB (VPK1216T5200-CS03A). I have tried to erase it and the following error come up:router#erase slot1:Erasing the slot1 filesystem will remove all files! Continue? [confirm]%dev_open: PCMCIA Slot1 flash not writable...

Hi,I have an issue with an ME3400 switch that isnt displaying the 5 minute input/output rates correctly for my SVI interfaces.  I do the same config on my 6509 switch and i get the input and output rates i would expect. Anyone have ideas as to if thi...

I have one router 2811 and 4 hwic ADSL, How can I setup these thing with 4 internet ADSL connection efficiently?my network: core switch 3750 is vtp server and connect to the router 2811.ty

Can I have one VLAN NAT'ing private IPs to routable IPs and another VLAN that passes traffic straight through on public IP addresses on a 3560 or 3750 switch?