[Zope] wher i can find network device content types to develop network manage system?

zope，hi！ can you tell me where i can find the content types that i can use this content type to access network device such as router,switch and others's MIB infomation by snmp and python.i need this kind of content types to develope a network manage sytem based on zope/plone on web. thinks ! you will email to :lynn0210@163.com 　　　　　　　　 　　　　　　　　LYNN 　　　　　　　　LYNN0210@163.COM 　　　　　　　　　　2006-06-28