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need help to config my router 1751
- Thread starter rudimarx
- Start date
cable modem should come with an ethernet port. plug router ethernet into cable modem ethernet0 with a cross over (most likely) patch cable. then plug the other ethernet1 on your router into the switch with a straight through patch cable.
then on the router
conf t
interface ethernet 0
ip address dhcp
no shutdown
ip nat outside *
ip access-group 101 in *
exit
interface ethernet 1
ip address 192.168.1.1 255.255.255.0
ip nat inside *
no shut
exit
ip nat inside source list 102 interface ethernet0 overload *
access-list 102 permit ip 192.168.1.0 0.0.0.255 any *
access-list 101 deny ip 192.168.1.0 0.0.0.255 any *
access-list 101 permit tcp any any gt 1023 established *
ip route 0.0.0.0 0.0.0.0 <insert ip address of cable modem here> (this command may not be necessary since you should get this information through dhcp)
the commands with the * are optional but provide a quick pseudo security solution and access to the internet from internal hosts.
Erik Rudnick, CCIE No. 9545
mailto:erik@kuriosity.com
then on the router
conf t
interface ethernet 0
ip address dhcp
no shutdown
ip nat outside *
ip access-group 101 in *
exit
interface ethernet 1
ip address 192.168.1.1 255.255.255.0
ip nat inside *
no shut
exit
ip nat inside source list 102 interface ethernet0 overload *
access-list 102 permit ip 192.168.1.0 0.0.0.255 any *
access-list 101 deny ip 192.168.1.0 0.0.0.255 any *
access-list 101 permit tcp any any gt 1023 established *
ip route 0.0.0.0 0.0.0.0 <insert ip address of cable modem here> (this command may not be necessary since you should get this information through dhcp)
the commands with the * are optional but provide a quick pseudo security solution and access to the internet from internal hosts.
Erik Rudnick, CCIE No. 9545
mailto:erik@kuriosity.com
- Status