Avaya Troubleshooting Routers Anleitung zur Fehlerbehebung Seite 7

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Seitenansicht 6
117379-A Rev. A
vii
Upper-Layer Protocols Failing to Pass Packets .................................................5-6
PVC Problems ...................................................................................................5-7
Troubleshooting ATM LANE .....................................................................................5-7
Troubleshooting an Ethernet Connection .......................................................................5-9
Troubleshooting a FDDI Connection .............................................................................5-14
Troubleshooting a Frame Relay Connection .................................................................5-17
Log Messages from Frame Relay Indicate Circuit Is Down ...................................5-17
Frame Relay Switch Keeps Marking the Circuit as Down ......................................5-18
Frame Relay Circuit Up, but Protocol Data Is Not Transmitting ..............................5-18
PVC Transmitting, but Not Receiving .....................................................................5-18
Frame Relay Configured with LMI Invokes an Xoff State .......................................5-19
Troubleshooting an MCT1 Connection .........................................................................5-20
Troubleshooting a Synchronous Connection ................................................................5-22
Checking the Address Format (Bay Networks Standard Only) ..............................5-24
Troubleshooting a Synchronous to X.21 Connection .............................................5-24
Reception Errors Incrementing or Reception Count Not Incrementing ..................5-24
Troubleshooting the Internal Clock Settings (Lab Environments Only) ..................5-26
Troubleshooting a Token Ring Connection ...................................................................5-27
Troubleshooting Other Data Link Layer Protocols ........................................................5-29
Chapter 6
Troubleshooting a Network Layer Problem
Troubleshooting AppleTalk ..............................................................................................6-2
Local Net Range Conflict Event Message ................................................................6-3
Zone . . . Conflict Event Message .............................................................................6-3
Static Configuration Conflict Event Message ...........................................................6-4
Troubleshooting DLSw ....................................................................................................6-4
Troubleshooting IP ..........................................................................................................6-6
Troubleshooting Telnet, FTP, and TFTP ...................................................................6-8
Ping Does Not Work .................................................................................................6-9
Router Cannot Ping Another Local Device ......................................................6-10
Router Cannot Ping Endstation, Can Ping Other Endstations on the
Same Segment ................................................................................................6-11
Endstation Cannot Ping the Remote Interface on the Router ..........................6-11
Seitenansicht 6
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