Ensure that both router ends of a POS link use the same CRC. Mismatched CRC settings are one configuration parameter to check when a POS interface stays up/down. Use the show interface command to confirm your settings. All Cisco POS interfaces support CRC-32. Higher-rate interfaces use CRC-32 as the default
B3 errors when seen by themselves are almost always a provider issue. When we troubleshoot POS Bit errors we narrow down the offending device by checking device to device in the path and finding the devices that show B2 and B1 errors. If we see B1 errors the problem link is local.B3 errors when displayed by themselves represent a path error. From your controllers you appear to have a one way Path issue in the path toward MMC-NGCSMMB-002#.
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...