Alcatel Carrier Internetworking Solutions 6648 - Manual (Page 6)

vi OmniSwitch Troubleshooting Guide September 2005
Troubleshooting a DNS Failure ......................................................................................6-2
Starting the Troubleshooting Procedure ...................................................................6-2
Layer 7 DNS or Name Resolution Issue ..................................................................6-2
DNS Configuration Considerations ................................................................................6-3
Chapter 7 Troubleshooting Link Aggregation .......................................................................7-1
In This Chapter ................................................................................................................7-1
Link Aggregation Limits and Guidelines ........................................................................7-2
OmniSwitch 6624/6648 Restrictions .......................................................................7-2
Troubleshooting a Link Aggregation Failure ..................................................................7-3
Verify the Configuration ..........................................................................................7-3
Source Learning .......................................................................................................7-5
Link Aggregation Affecting Other Traffic ...............................................................7-5
Problems Creating a Group ......................................................................................7-5
Problems Deleting a Group ......................................................................................7-5
LACP 802.3AD ........................................................................................................7-6
Advanced Link Aggregation Troubleshooting ................................................................7-7
6800 Link Aggregation Debug Functions .....................................................................7-10
la_ni_agg_prt ..........................................................................................................7-10
la_ni_port_prt .........................................................................................................7-10
la_ni_port_up_prt ...................................................................................................7-11
la_ni_port_stats_prt ................................................................................................7-11
la_ni_info ...............................................................................................................7-11
lagg_ni_Sock_help .................................................................................................7-11
la_ni_trace_freeze ..................................................................................................7-12
la_ni_trace_unfreeze ..............................................................................................7-12
la_ni_kite_help .......................................................................................................7-12
Chapter 8 Troubleshooting 802.1Q ..........................................................................................8-1
In This Chapter ................................................................................................................8-1
Troubleshooting 802.1Q .................................................................................................8-2
Default VLAN Traffic ..............................................................................................8-3
Tagged Packet on an Untagged Port ........................................................................8-3
802.1Q with VLAN ID of 0 ..............................................................................8-4
802.1Q and 64 Byte Packets ..............................................................................8-4
Advanced Troubleshooting .............................................................................................8-5
Dshell Commands ...........................................................................................................8-7
Chapter 9 Troubleshooting Group Mobility ............................................................................9-1
In This Chapter ................................................................................................................9-1
Troubleshooting a VLAN Mobility Failure ....................................................................9-2
Binding Rules ...........................................................................................................9-3
Port Rules .................................................................................................................9-3
Precedence ................................................................................................................9-4
Advanced Troubleshooting .............................................................................................9-5