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What if we raised the maximum number of static mac addresses to 2 (to allow for migrations and to allow Jeremy to sleep) in the mac acl? On Mon, Oct 31, 2022 at 12:48 PM Mike Johnston <[log in to unmask]> wrote: > > Well articulated, as always, David. Thank you. > > > I am in favor of the use of static MAC ACL, even if that requires manual > changes to that ACL, and the additional coordination that may consume. > A few thoughts, though.... > > Maybe 1G links are exempt from this? Since a couple second switching > loop from a 1G port is not as impactful? ????? Thoughts from others, > please. > > Using a static MAC ACL could make troubleshooting a failure more > problematic. For example, replacing a line card to "see if that fixes > the issue" could send a tech down a trail of red hearings. Even if the > member is fully aware that they need to coordinate the MAC change, this > sort work is often being done in response to an unexpected outage. The > added time spend on the coordination could be seen as frustrating. But, > for some members it's not a big deal, and can use other links until > their MICE connectivity is restored. > > I've heard that some members are using a virtual MAC address, which is > probably the way to avoid needing to coordinate in the first place. -- Jay Hanke, President South Front Networks [log in to unmask] Phone 612-204-0000