Most network devices support jumbo frames¹, which are an IEEE standard, but they aren't the default. The point is not the IEEE standard, but what most devices a

Most network devices support jumbo frames¹, which are an IEEE standard, but they aren't the default. The point is not the IEEE standard, but what most devices are configured for. Transit operators and IXPs just don't want to configure their equipment to use jumbo frames. It's probably just a coordination problem.² [1] https://www.networkworld.com/article/2224722/cisco-subnet/jumbo-frames.html https://www.networkworld.com/article/2224722/cisco-subnet/ju... [2] https://lists.gt.net/nanog/users/187984 https://lists.gt.net/nanog/users/187984