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8.5 Saving Changes Connected: An Internet Encyclopedia
8.5 Saving Changes

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Up: RFC 1812
Up: 8. APPLICATION LAYER - NETWORK MANAGEMENT PROTOCOLS
Prev: 8.4 Vendor Specific MIBS
Next: 9. APPLICATION LAYER - MISCELLANEOUS PROTOCOLS

8.5 Saving Changes

8.5 Saving Changes

Parameters altered by SNMP MAY be saved to non-volatile storage.

DISCUSSION

Reasons why this requirement is a MAY:

  • The exact physical nature of non-volatile storage is not specified in this document. Hence, parameters may be saved in NVRAM/EEPROM, local floppy or hard disk, or in some TFTP file server or BOOTP server, etc. Suppose that this information is in a file that is retrieved through TFTP. In that case, a change made to a configuration parameter on the router would need to be propagated back to the file server holding the configuration file. Alternatively, the SNMP operation would need to be directed to the file server, and then the change somehow propagated to the router. The answer to this problem does not seem obvious.

    This also places more requirements on the host holding the configuration information than just having an available TFTP server, so much more that its probably unsafe for a vendor to assume that any potential customer will have a suitable host available.

  • The timing of committing changed parameters to non-volatile storage is still an issue for debate. Some prefer to commit all changes immediately. Others prefer to commit changes to non-volatile storage only upon an explicit command.


Next: 9. APPLICATION LAYER - MISCELLANEOUS PROTOCOLS

Connected: An Internet Encyclopedia
8.5 Saving Changes

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