System information

Troubleshooting AppleTalk
Book Title
9-200
Table 9-9 AppleTalk: Interface Fails to Initialize AppleTalk
AppleTalk: Port Stuck in Restarting or Acquiring Mode
Symptom: A router port is stuck in restarting or acquiring mode (as shown in the output of the show
apple interface privileged exec command). The router cannot discover routes or poll neighbors on
an attached cable.
Table 9-10 outlines the problems that might cause this symptom and describes solutions to those
problems.
Table 9-10 AppleTalk: Port Stuck in Restarting or Acquiring Mode
Possible Problems Solution
Configuration mismatch Step 1 Use the show appletalk interface exec command. Check the
output for a “port configuration mismatch” message.
If the command output contains a “mismatch message,” the
router configuration disagrees with that of the listed neighbor.
If the command output does not include the “mismatch”
message, use the clear apple interface privileged exec
command on the interface in question. If the interface becomes
operational after clearing, a configuration mismatch does not
exist.
Step 2 Enter the show appletalk interface exec command again. If its
output still contains a “port configuration mismatch” message,
check to see whether all router configurations agree on network
number or cable range and the zone or zone list.
Step 3 If router configurations disagree on these parameters, alter
router configurations to bring all routers into alignment.
Step 4 If problems persist, put the problem router in discovery mode
by specifying the interface con- figuration command
appletalk address 0.0 on a nonextended network or the
appletalk cable-range 0-0 command on an extended network.
This causes the router to get its configuration information from
the network.
For more information about configuration mismatches, see the section
“AppleTalk Configuration Mismatches” earlier in this chapter.
Phase 1 and Phase 2 rule violations
Step 1 Use the show appletalk globals exec command to determine
whether the internetwork is in compatibility mode.
Step 2 Enable the appletalk name-lookup-interval global
configuration command and use the show appletalk
neighbors exec command to determine which specific
neighbor (by NBP name) is in compatibility mode.
Step 3 To resolve the problem, you can perform one of the following
actions:
• Upgrade AppleTalk Phase 1 routers to AppleTalk Phase 2
and reconfigure the internetwork
• Ensure that all routers are in compliance with the two
Phase 1 and Phase 2 rules
For more information on Phase 1 and Phase 2 rule violations, see the
section “Phase 1 and Phase 2 Rule Violations” earlier in this chapter.