" The file transfer protocol (FTP) is another example of a protocol/application with which NAT has trouble correctly supporting . The FTP layer 3 connection addressing is also embedded (hidden) within the payload of an outgoing data packet. Some NAT application processes do not decode this FTP packet properly which leads to a failure in the FTP host connection."
Does Cisco 3620 have trouble with FTP with NAT? Thank for advise.
Re: Is it true that FTP do not works well with NAT?
Cisco IOS does the necessary translation on the payload of the packet while doing NAT. But if the ftp is working on a non standard port, then it will ignore the payload and FTP wont work. For this to work, you need to do the following,
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...