
Configuring Synchronous Services
117021-A Rev. A 2-13
Setting Pass-Through Addresses
You can assign a local MAC address to the local interface using the Pass Thru
Local Address parameter. This address becomes the source address of packets that
are bridged to the destination MAC address.
You assign the destination MAC address with the Pass Thru Remote Address
parameter. This address becomes the destination MAC address of packets that are
bridged to the local MAC address.
Always reverse the local and remote MAC addresses at the remote synchronous
pass-through interface.
When assiging addresses, use any unique MAC address of exactly 12 hexadecimal
digits; be sure that the second digit in the address is a zero, for example,
10fffabc5432.
Set the Pass Thru Local Address parameter for the interface.
Set the Pass Thru Remote Address parameter for the interface.
Setting the CRC Size
The cyclic redundancy check (CRC) size specifies an error detection scheme. You
can choose either 16-bit (standard ITU-T) or 32-bit (extended) frame check
sequence (FCS) to detect errors in the packet.
Set a CRC size for the interface. The local and remote ends of the sychronous
connection must be configured for the same CRC size.
Site Manager: Pass Thru Local Address parameter: page A-49
Site Manager: Pass Thru Remote Address parameter: page A-50
Site Manager: CRC Size parameter: page A-50
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