About katsulis

katsulis · 01-25-2011

I am facing a very weird situation with a certain 876 device.What I am trying to accomplish is to access an internal FTP server from outsideI am setting up a simple configuration (dialer0 outside, vlan1 inside, with or without firewall - I've tried b...

katsulis · 12-07-2010

Attached is the current running configuration of a Cisco 876 k9-i-sec 12.4 version.What I am trying to accomplish here is FTP and HTTPS access from outside to an internal server 192.168.100.10.As someone can see in the configuration there are two nat...

katsulis · 11-12-2010

I am trying to configure a SR520-ADSL-K9 in order to access from outside (internet) an internal FTP server (by an FTP client with passive connection). Actually, it is a single server installation (small site) which besides FTP services, supports acti...

katsulis · 01-26-2011

Hi AlainThe dynamic opening of ports is done by the zone firewall with the "inspect" argument (look at the attachment with the full running configuration). There you'll find out that neither 443 port forwarding works. The same running configuration i...

katsulis · 01-25-2011

Hi Collin, thank you for your interestMy FTP server is configured for passive FTP connections and the FTP client shows that is trying to connect until it times out.Right now as we speak, my FTP server works fine with another 876 router using the same...

katsulis · 01-25-2011

Hi againThe reason that NAT fails in this case is that static NAT fails anyway in this certain device I am testing.What I mean is that I tried to setup a simple configuration (dialer0 outside, vlan1 inside, with or without firewall) by using CPexpres...

katsulis · 01-13-2011

Thanks againLet's say that we are satisfied with the FTP operation as long as dialer0 is up and running and we don’t care what will happen when it's out of order (and when vlan3 give internet access to this site).Shouldn't it work (with )? If it shou...

katsulis · 01-13-2011

At first I want to thank you helping me in my caseI did what you have proposed but no luck.What we are trying here to do is accessing from outside an internal server. Dynamic DNS is supported by Cisco IOS for giving the option to access internal serv...

Member Since	‎11-12-2010 12:07 AM
Date Last Visited	‎08-18-2017 03:55 AM
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Static NAT fails on a 876

Cisco IOS NAT unexpected behaviour in outside to inside traffic when load balancing configuration

SR520 configuration for intenal FTP server

Re: Static NAT fails on a 876

Re: Static NAT fails on a 876

Re: Cisco IOS NAT unexpected behaviour in outside to inside traf

Re: Cisco IOS NAT unexpected behaviour in outside to inside traf

Re: Cisco IOS NAT unexpected behaviour in outside to inside traf