# Platform Considerations

Digital certificates are supported on all ERX routers that support configuration of IPSec.

For information about modules that support IPSec on ERX14xx models, ERX7xx 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 IPSec.

  | Note: The E120 and E320 Broadband Services Routers do not support configuration of IPSec and digital certificates.