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Checklist for Checking the SONET Frame Checksum

Purpose

Table 38 provides links and commands for SONET frame checksum and how to check and configure it.

Action

Table 38: Checklist for Checking the SONET Frame Checksum

Tasks

Command or Action
Understand the SONET Frame Checksum
Check the SONET Frame Checksum
  1. Examine Output for Framing Errors

show interfaces interface-name extensive

  1. Check the FCS Configuration

show configuration interfaces | interface-name
 show interfaces interface-name

Configure a SONET Frame Checksum
  1. Return to the Default 16-Bit Checksum

[edit]
edit interfaces so-fpc/pic/port sonet-options
delete fcs 32
show
commit

  1. Configure a 16-Bit Checksum

[edit]
edit interfaces so-fpc/pic/port sonet-options
set fcs 16
show
commit

  1. Configure a 32-Bit Checksum

[edit]
edit interfaces so-fpc/pic/port sonet-options
set (fcs 32 | rfc-2615)
show
commit

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