To display Hot Standby Router Protocol (HSRP) information in catalyst switches, the command used isshow standbyshow standby briefshow standby [type number [group]] [all | brief]show hsrp is used in Nexus platform

If ISSU fails, it is expected that auto-abort can recover the system back to initial state (older image). However, if this fails as well, manual recovery of the chassis is expected.Can you check with "show redundancy config-sync failures historic mcl...

Prepending AS path is done using one’s own AS number which is configured in router bgp XXXX, rather any other's AS number.AS-Prepend is not effective when it is advertised in Internet cloud, This will be override with other BGP attributes by ISP. 

You can add 2960X and 3750 in inventory and can get limited information.  RegardsShambhu Kumar