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Bridging
4-28 Bridge Statistics
Bad FCSs
The Bad FCSs Þeld displays the number of received packets that were discarded
due to having an incorrect FCS (Frame Check Sequence) value.
Total Errors
The Total Errors Þeld displays the total number of errors of all types: Bad
Addresses, Bad Controls, Packets Too Long, and Bad FCSs.
Statistics
Local MRU
The Local MRU Þeld displays the current value of the MRU (Maximum Receive
Unit) for the local PPP entity. This value is the MRU that the remote entity uses
when sending packets to the local PPP entity. The MRU is the maximum length of
data information (included ÒpaddedÓ data octets, but excluding the Protocol Þeld
which identiÞes the datagramÕs protocol type) that can be received by this
interface. The default MRU size is 1500 octets. The auto-negotiation process may
establish another value for MRU if consent is given at both ends of the PPP link (if
either the local or remote PPP entity informs the other that larger packets can be
sent, or requests that smaller packets be sent).
Remote MRU
The Remote MRU Þeld displays the current value of the MRU (Maximum Receive
Unit) established for the remote interface at the other end of the PPP Link. This
value is the MRU that the local entity uses when sending packets to the remote
PPP entity.
Local to Peer ACC Map
The Local to Peer ACC Map Þeld displays the current value of the Asynchronous
Control Character (ACC) Map used for sending packets from the local PPP entity
to the remote PPP entity. In effect, this is the ACC Map that is required in order to
ensure that all characters can be successfully transmitted through the local
modem. The actual ACC Map used on the transmit side of the link will be a
combination of the local nodeÕs pppLinkConÞgTransmitACCMap and the remote
nodeÕs pppLinkConÞgReceiveACCMap.
Peer to Local ACC Map
The Peer to Local ACC Map Þeld displays the Asynchronous Control Character
(ACC) Map used by the remote PPP entity when transmitting packets to the local
PPP entity. In effect, this is the ACC Map that is required in order to ensure that
the local modem will successfully receive all characters. The actual ACC Map
used on the receive side of the link will be a combination of the local nodeÕs
pppLinkConÞgReceiveACCMap and the remote nodeÕs
pppLinkConÞgTransmitACCMap.