Troubleshooting guide

Index
IN-12
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
PCs
logging router output
F-2
PE 5-19, E-3
peer group leaders. See PGLs
performance. See network performance
permanent virtual channels. See PVCs
permanent virtual paths. See PVPs
PGLs
6-33 to 6-35
PIM 11-43
sparse mode 11-44
ping atm interface atm command
checking connectivity
5-5
generating network traffic A-5
loopback testing 5-10
ping command
checking connectivity
2-3
troubleshooting tag switching 8-3
PNNI addresses
debugging
6-54
prefix configuration 6-52 to 6-54
PNNI databases
flat network
6-31 to 6-32
hierarchical network 6-32 to 6-33
neighbor synchronization 6-30 to 6-31
same peer group 6-31 to 6-32
PNNI hello state 6-41 to 6-42
PNNI hierarchical networks
aggregation token pairs missing
6-49 to 6-50
LGN induced ports 6-50
link aggregation 6-51
peer group uplinks 6-48
upnodes missing 6-49 to 6-50
PNNI interfaces
checking
6-36 to 6-37
metric configuration 6-40 to 6-41
PVC status 6-38 to 6-39
signaling control channels 6-37
trace connection overview 6-64
PNNI topologies 6-26
PNNI topology state element databases. See PNNI
databases
PNNI trace connection
configuration
6-64 to 6-69
deleting output 6-66
displaying output 6-66
initiating 6-65
network example (figure) 6-65
overview 6-64
PNNI troubleshooting
ATM routes
6-25 to 6-26
debugging routing 6-24 to 6-25
debugging signaling 6-21
UNI interfaces 6-18 to 6-21
Point-to-Point Protocol. See PPP
policy layer
4-1
port-channel command 12-16
port channels 12-16
port checks 5-1 to 5-3
port stuck
configuring automatic failure recovery
10-6
troubleshooting 10-4
POS uplink interface modules
definition
10-41
displaying configurations 10-42
enhanced Gigabit Ethernet module 10-41
LEDs 10-41
memory capacity 10-41
troubleshooting 10-41 to 10-46
PPP malfunctioning B-4
Private Network-Network Interface. See specific PNNI
terms, such as PNNI addresses
problem solving
steps
1-2
troubleshooting models (figure) 1-2
protocol analyzers. See network analyzers
Protocol Independent Multicast. See PIM
protocols
label distribution
8-13