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Configuring the E1 Frame Checksum

 

By default, the E1 interface supports a 16-bit checksum. You can configure a 32-bit checksum, which provides more reliable packet verification. However, some older equipment might not support 32-bit checksums.

To configure a 32-bit checksum, include the fcs 32 statement at the [edit interfaces interface-name e1-options] hierarchy level:

To return to the default 16-bit frame checksum, delete the fcs 32 statement from the configuration:

To explicitly configure a 16-bit checksum, include the fcs 16 statement at the [edit interfaces interface-name e1-options] hierarchy level:

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