Cabletron Systems SmartSwitch 9W006 User Manual page 177

• Echo Reply
The Echo Reply is transmitted in response to an Echo Request. The Echo Reply packet
contains the magic number of the sending device. Until the magic number option has
been negotiated the value must be set to zero.
• Discard Request
The Discard request packet is transmitted by a device to exercise the data link layer
processing. This packet is silently discarded by the receiving device.
T M
RACE ESSAGES
PPP Packet Trace Messages
9W006 and 9W007 177