I am using an 1811 router to connect my network to the Internet. Outgoing mail from our server was getting delayed. I setup packet sniffers on the inside and outside of the router and found that not all the packets were getting through. The server sent 4 SMTP Data packets right after each other and only 2 were sent from the router to the remote host (see attached jpg).
I don't know a lot about routers. What could be blocking/discarding the packets?Is there a way on the router to monitor the packets comming in and going out?
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...