http:\/\/www.cisco.com\/en\/US\/partner\/docs\/switches\/datacenter\/sw\/6_x\/nx-os\/fundamentals\/configuration\/guide\/b_Cisco_Nexus_7000_Series_NX-OS_Fundamentals_Configuration_Guide_Release_6.x_chapter_01011.html<\/a><\/p>\nWhen you call python, please do not forget to import cisco libary!<\/p>\n
BB2-2# python<\/p>\n
Python 2.7.2 (default, Nov 27 2012, 17:50:33)<\/p>\n
[GCC 4.3.2] on linux2<\/p>\n
Type „help“, „copyright“, „credits“ or „license“ for more information.<\/p>\n
Loaded cisco NxOS lib!<\/p>\n
>>> import cisco<\/p>\n
>>> dir(cisco)<\/p>\n
[‚BGPSession‘, ‚BufferDepthMonitor‘, ‚CLI‘, ‚CheckPortDiscards‘, ‚CiscoSecret‘, ‚CiscoSocket‘, ‚Feature‘, ‚History‘, ‚IPv4ACL‘, ‚IPv6ACL‘, ‚Interface‘, ‚Key‘, ‚LineParser‘, ‚MacAddressTable‘, ‚OSPFSession‘, ‚Routes‘, ‚SectionParser‘, ‚VRF‘, ‚Vlan‘, ‚__all__‘, ‚__builtins__‘, ‚__doc__‘, ‚__file__‘, ‚__name__‘, ‚__package__‘, ‚__path__‘, ‚acl‘, ‚bfd‘, ‚bgp‘, ‚buffer_depth_monitor‘, ‚check_port_discards‘, ‚cisco_secret‘, ‚cisco_socket‘, ‚cli‘, ‚dhcp‘, ‚eigrp‘, ‚feature‘, ‚get_global_vrf‘, ‚get_valid_port‘, ‚history‘, ‚hsrp‘, ‚interface‘, ‚interface-vlan‘, ‚key‘, ‚lacp‘, ‚line_parser‘, ‚mac_address_table‘, ‚md5sum‘, ‚msdp‘, ‚ospf‘, ‚ospfv3‘, ‚pim‘, ‚private-vlan‘, ‚ptp‘, ‚rip‘, ‚routes‘, ’scheduler‘, ’section_parser‘, ’set_global_vrf‘, ’show_queues‘, ’show_run‘, ’ssh‘, ‚tacacs‘, ‚telnet‘, ‚transfer‘, ‚udld‘, ‚vlan‘, ‚vpc‘, ‚vrf‘, ‚vrrp‘, ‚vtp‘]<\/p>\n
>>><\/p>\n
>>> print help(cisco.get_valid_port)<\/p>\n
Help on function get_valid_port in module cisco.interface:<\/p>\n
get_valid_port(port)<\/p>\n
\u00a0 \u00a0 <\/span>Validate and return correct port here<\/p>\nAs you see there are a lot of builtin functions, also there is a nice possibility to execute CLI command and work with the output. Here you see an example how to ping an IP and parse the output.<\/p>\n
oCli=CLI(<\/span>‚ping ‚<\/span> + ip + <\/span>‚ vrf ‚<\/span> + VRF,False)<\/span><\/p>\npingStatus = oCli.get_output()[<\/span>8<\/span>].split(<\/span>‚ ‚<\/span>)[<\/span>6<\/span>]<\/span><\/p>\n\u00a0 \u00a0 <\/span><\/span>if<\/span> pingStatus == <\/span>„0.00%“<\/span>:<\/span><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <\/span>pingStatus = mac + <\/span>“ („<\/span> + ip + <\/span>„) is reachable“<\/span><\/p>\n\u00a0 \u00a0 <\/span><\/span>elif<\/span> pingStatus == <\/span>„100.00%“<\/span>:<\/span><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <\/span>pingStatus = mac + <\/span>“ („<\/span> + ip + <\/span>„) is unreachable“<\/span><\/p>\nelse<\/span>:<\/span><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <\/span>pingStatus = mac + <\/span>“ („<\/span> + ip + <\/span>„) is not stable“<\/span><\/p>\nHappy scripting!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"I thought, that the ability of running Python scripts on Nexus Switches is broadly know. BUT when talking to customers about this it\u2019s more or less not know.This is a pity because this gives you huge possibilities, e.g. Collecting data<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7,2,8,6],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=\/wp\/v2\/posts\/7"}],"collection":[{"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7"}],"version-history":[{"count":2,"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=\/wp\/v2\/posts\/7\/revisions"}],"predecessor-version":[{"id":9,"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=\/wp\/v2\/posts\/7\/revisions\/9"}],"wp:attachment":[{"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.cloud-blog.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}