Re: %MLS_STAT-DFC4-4-IP_CSUM_ERR: IP checksum errors
The error message that you are receiving is saying that the switch forwarding engine is receiving an IP-packet which has an invalid checksum, therefore the packet was dropped. In older code we just used to silently drop the packet and count it in the forwarding engine stats.
The only thing you have to be concerned about is that there is a device which is sending these bad packets (possibly due to bad nic driver, nic driver bug (or) bad application etc..). Unfortunately, our forwarding engine doesn't keep track of the source-ip of the device which is sending these bad packets. The only way to detect these devices is to put a sniffer and track it down to a particular source.
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...