My experience is that offset list only increases the metric. I am not aware of any way to subtract metric. If you found a reference that indicates that it can subtract I suspect that it is a mistake. If you have the reference we can point it out to Cisco and ask for correction.
I checked and now I agree with you that the online help in routers does say that offset list does add or subtract. And it does not subtract it only adds. So you have found a flaw in online help. Perhaps you should open a case with Cisco to get it corrected.
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...