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Configuring a 32-Bit Checksum
Action
To explicitly configure the 32-bit checksum, follow these steps:
- In configuration mode, go to the following hierarchy level:[edit]user@host# edit interfaces so-fpc/pic/port sonet-options
- Configure the 32-bit checksum:[edit interfaces so-fpc/pic/port sonet-options]user@host# set (fcs 32 | rfc-2615)
Note: The rfc-2615 statement automatically configures the interface to use FCS 32 and changes the C2 byte to 0x16, as per the RFC.
- Verify the configuration:user@host# show
For example:
[edit interfaces so-0/0/0 sonet-options]user@host# show fcs 32;or
[edit interfaces so-0/0/0 sonet-options]user@host# show rfc-2615;
- Commit the configuration:user@host# commit
Note: On a Channelized OC12 interface, the sonet-options fcs statement is not supported. To configure FCS on each DS3 channel, you must include the t3-options fcs statement in the configuration for each channel.
