Cisco IOS software supports multiple IP addresses per interface. You can specify an unlimited number of secondary addresses. Secondary IP addresses can be used in a variety of situations. The following are the most common applications:There might not...
When you deploy the 1000v have you enabled the REST API:
Please check with the below config guide:
http://www.cisco.com/c/en/us/td/docs/routers/csr1000/software/configuration/b_CSR1000v_Configuration_Guide/b_CSR1000v_Configuration_Guide_chapter_01101...
Also you can try changing the privilege level of other lines to 15:
Here is the link to configuration guide :
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/15-0_2_se/configuration/guide/scg3560/swauthen.html?bookSear...
Here is the link to config guide :
http://www.cisco.com/c/dam/en/us/td/docs/switches/lan/csbms/sf30x_sg30x/administration_guide/78-19308-01.pdf
Look into UDLD