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I've got an 1811 router running 15.4 IOS and a cable modem with 5 static IP's attached to Fa0. I would like to dedicate one of those IP's to a dedicated internal subnet (10.0.30.0/24) but I am not sure how to accomplish this? What would be the best m...
I use a mail filtering service that delivers mail to me via SMTP on standard port 25 on one of my 5 static external IP's. I wish to restrict this to their IP's only (they have two) and I am unsure on how to do so? As it stands now, anything on the ne...
Not sure how to accomplish this, and I've been beating on it for a few days. My knowledge of IOS is increasing, but still limited in scope so I'm hopeful someone can help me out I've got a Cisco 1811 router with FastEthernet0 plugged into a cable mo...
Total Cisco newbie here... and I succesfully pulled it out of the box and already broke it No idea what I did to lose my connectivity to it (via IP, console is ok), but I'd like to start from scratch and during my learning/experimentation I will und...
That makes sense to me, but does not appear to be working. This is what I ended up with for the ACL:Extended IP access list smtp 10 permit tcp host 207.210.234.37 host 10.0.10.2 eq smtp 20 permit tcp host 207.200.28.37 host 10.0.10.2 eq smtp ...
Yes, cable modem is connected to FastEthernet0. The 10.x.x.x subnets are built as subinterfaces/vlans under FastEthernet1, Fa1.1, Fa1.10, Fa1.20, Fa1.30. Router does the NAT'ing. Here's the interface config for Fa0:sunvalleyedgrtr01#sh ip int fa0Fast...
