I am using a 3620 IOS 11.3. I have an ethernet interface using NAT (with a one-to-one static map for a mail server). I am not able to telnet to port 25 of the public IP when sourcing from an interface within this router, but I can telnet to the private IP on port 25. From anywhere else I can access the server via the public IP. I tried putting a static route for the public ip to route to the inside to no avail. I am curious to know if there is a resolution to this issue without having to resort to re-configuring the interface to a public subnet.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...