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Hi,I have a problem with a Cisco 1841 router running IOS Version 12.3(11)T5.I use NAT to access the Internet through the router.Sometimes, around 3-4 times a day, all Internet access stops because our DNSserver cannot access the Internet to resolve a...
Hi,We access the Internet through a 1841 router using NAT on a 3Mbits DSL line.Behind this router we have a mail/DNS server.Intermitently, this server looses Internet access. No web browsing, no DNS lookup, no telnet on outside (Internet) hosts. At t...
Hi,I have a 1841 router with NAT for Internet access.I have an ftp server (port 21) on the inside LAN. I want this server to be available from the Internet.I added:"ip nat inside source static tcp 10.1.5.12 21 xxx.xxx.xxx.xxx 21 extendable"to the con...
Hi,I have a 1841 Routeur with 4 interfaces, 3 private and 1 connected to the Internet.How do you configure NAT to give access to the Internet to the computers connected to the private LANs ?Thank you.
I have around 400 nat translations when I have to clear them.I have 5 other public IP adresses available. Would it help if I add them ? or should I add one only to nat my mail/dns server ?Thank you.
