Since 6500s and 7200 have been mentioned, just wanted to also note I believe other newer routers also support software upgrades to their ROMMON, such as (but not limited to) the 37xx and 38xx, but not the 36xx.
Also, other hardware within some of the larger routers and switches also support firmware software upgrades.
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 custome...