# Platform Considerations

For information about modules that support IS-IS on the ERX7xx models, ERX14xx models, and the ERX310 Broadband Services Router:

- See ERX Module Guide, Table 1, Module Combinations for detailed module specifications.
- See ERX Module Guide, Appendix A, Module Protocol Support for information about the modules that support IS-IS.

For information about modules that support IS-IS on the E120 and E320 Broadband Services Routers:

- See E120 and E320 Module Guide, Table 1, Modules and IOAs for detailed module specifications.
- See E120 and E320 Module Guide, Appendix A, IOA Protocol Support for information about the modules that support IS-IS.