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Avaya 2000 series User Manual
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Device not responding to ping to its IPv6 address
When you ping the IPv6 address from another host, the ping fails.
Device not responding to ping to its IPv6 address task flow
About this task
Use these task flows to restore the connectivity through IPv6.
Troubleshooting IPv6
168 Troubleshooting Avaya ERS 4000 Series
April 2014
Comments? infodev@avaya.com
167
169
Table of Contents
Default Chapter
5
Table of Contents
5
Chapter 1: Introduction
13
Purpose
13
Related Resources
13
Support
15
Chapter 2: New in this Release
17
Features
17
SLA Monitor
17
802.3At LLDP Based Discovery
17
Change RADIUS Password
18
Link-State Tracking
18
Run Scripts
19
Block Subsequent MAC Authentication
19
Fail Open VLAN Continuity Mode
19
NEAP Not Member of VLAN
20
Syslog Support for 802.1X/EAP/NEAP/UBP
20
Trace Support for 802.1X
20
Rspan
21
Spbm
21
Chapter 3: Troubleshooting Planning
23
Chapter 4: Troubleshooting Tools
25
Port Mirroring
25
Port Mirroring Commands
26
Rspan
27
RSPAN Commands
28
Port Statistics
28
Stack Loopback Testing
28
Stack Health Check
29
Stack Forced Mode
29
System Logs
33
Backup Config File
34
ASCII Download Log Enhancement
34
CPU and Memory Utilization
36
Show Commands
36
Address Resolution Protocol
36
Dynamic ARP Inspection
37
MAC Flush
38
MLT/DMLT Trunk
39
SNMP Traps for DHCP Snooping, Dynamic ARP Inspection, and IP Source Guard
40
Dynamic Host Configuration Protocol Relay (DHCP) Relay
41
Auto Unit Replacement
42
Diagnostic Auto Unit Replacement (DAUR)
42
Multicast Behavior
46
Ipv6
46
Light Emitting Diode (LED) Display
47
Avaya Knowledge and Solution Engine
47
Chapter 5: General Diagnostic Tools
49
ACLI Command Modes
49
Configure Terminal
50
Router Isis
50
Chapter 6: Initial Troubleshooting
51
Gather Information
51
Chapter 7: Emergency Recovery Trees
53
Emergency Recovery Trees
53
Navigation
54
Corruption of Flash
55
Corruption of Flash Recovery Tree
55
Incorrect PVID
56
Incorrect PVID Recovery Tree
57
VLAN Not Tagged to Uplink Ports
57
VLAN Not Tagged to Uplink Ports Recovery Tree
58
Snmp
60
SNMP Recovery Tree
60
Stack
62
Stack Recovery Tree
63
Dynamic Host Configuration Protocol (DHCP) Relay
68
DHCP Recovery Tree
68
AAUR: Configuration for the Units in the Stack Is Not Saved on the Base Unit
69
Configuration for the Units in the Stack Is Not Saved on the Base Unit Recovery Tree
70
AAUR: both Units Display Yes for Ready for Replacement
72
Both Units Display Yes for Ready for Replacement Recovery Tree
72
Daur
74
Diagnostic Image Transfer Does Not Start Recovery Tree
74
Stack Forced Mode
76
You Cannot Access a Switch at the Stack IP Address Using Ping, Telnet, SSH, Web, or DM Recovery Tree
76
Stack Health Check: Cascade up and Cascade down Columns Display LINK down or MISSING
77
Cascade up and Cascade down Columns Display LINK down or MISSING Recovery Tree
78
Stack Health Check: Cascade up and Cascade down Columns Display up with ERRORS
80
Cascade up and Cascade down Columns Display up with ERRORS Recovery Tree
80
Chapter 8: General Troubleshooting of Hardware
83
Work Flow: General Troubleshooting of Hardware
83
Check Power
85
Task Flow: Check Power
85
Ensuring the Power Cord Is Installed
87
Observing an Error Report on the Console
87
Reloading the Agent Code
87
Replacing the Power Cord
88
Returning the Unit for Repair
88
Check Cables
88
Task Flow: Check Cables
88
Confirming if the Cables Are the Correct Type
89
Reviewing Stacking Configuration Documentation
90
Check Port
90
Task Flow: Check Port
90
Troubleshooting Avaya ERS 4000 Series April
91
Viewing Port Information
92
Correcting SFP Use and Designation
92
Enabling the Port
92
Confirming the Cables Are Working
93
Check Fiber Port
93
Task Flow: Check Fiber Port
93
Viewing Fiber Port Information
95
Enabling the Port
95
Confirming if Cables Are Working
95
Confirming Fiber Matches SFP/XFP Type
96
Returning the Unit for Repair
96
Replace a Unit in the Stack
96
Task Flow: Replace a Unit in the Stack
97
Removing a Failed Unit
99
Confirming AUR Is Enabled
99
Removing a MAC Address from the AUR Cache
99
Verifying the Software Version Is Correct on the New Device
100
Obtaining the Correct Software Version
100
Placing a New Unit
101
Connecting Stacking Cables
101
Powering on the Unit
101
Returning the Unit for Repair
102
Chapter 9: Troubleshooting ADAC
103
ADAC Clarifications
103
Work Flow: Troubleshooting ADAC
103
IP Phone Is Not Detected
104
Work Flow: IP Phone Not Detected
104
Correct Filtering
105
Reload ADAC MAC in Range Table
107
Reduce LLDP Devices
108
Viewing Lldp Information
109
Auto Configuration Is Not Applied
110
Task Flow: Auto Configuration Is Not Applied
110
Correct Auto Configuration
111
Check Status and Number of Devices
113
Chapter 10: Troubleshooting Authentication
117
Work Flow: Troubleshooting Authentication
117
Change RADIUS Password
118
Troubleshooting Fail Open VLAN Continuity Mode
118
Limitations
119
EAP Client Authentication
119
Work Flow: EAP Client Is Not Authenticating
119
Restore RADIUS Connection
120
Viewing Radius Information
122
Enable EAP on the PC
123
Apply the Method
124
Task Flow: Apply the Method
124
Configuring the RADIUS Server
125
Enable EAP Globally
125
Task Flow: Enable EAP Globally
126
Enabling EAP Globally
126
Viewing EAPOL Settings
127
Setting EAPOL Port Administrative Status to Auto
127
EAP Multihost Repeated Re-Authentication Issue
127
Task Flow: EAP Multihost Repeated Re-Authentication Issue
128
Match EAP-MAC-MAX to EAP Users
128
Set EAPOL Request Packet
130
EAP RADIUS VLAN Is Not Being Applied
132
Work Flow: EAP RADIUS VLAN Is Not Being Applied
132
Configure VLAN at RADIUS
133
Configure the Switch
134
Task Flow: Configure Switch
135
Showing EAPOL Multihost
137
Enabling Use of RADIUS Assigned Vlans
138
Showing EAPOL Multihost Interface
138
Showing VLAN Config Control
138
Changing VLAN Config from Strict to Flexible
139
Showing Spanning Tree
139
Adding RADIUS Assigned VLAN to Desired STG
139
Configured MAC Is Not Authenticating
140
Work Flow: Configured MAC Is Not Authenticating
140
Configure the Switch
140
Non-EAP RADIUS MAC Not Authenticating
146
Work Flow: Non-EAP RADIUS MAC Not Authenticating
146
Configure Switch
147
RADIUS Server Configuration Error
150
Non-EAP MHSA MAC Is Not Authenticating
151
EAP-Non-EAP Unexpected Port Shutdown
156
Non-EAP Is Not a Member of a VLAN
159
Non-EAP Freeform Password
159
Using Trace
159
Block Subsequent MAC Authentication
160
EAP and Non-EAP Separation
160
802.3At LLDP Based Discovery
161
Run Scripts
163
Link-State Tracking
164
Chapter 11: Troubleshooting Ipv6
167
Troubleshooting Ipv6 Work Flow
167
Device Not Responding to Ping to Its Ipv6 Address
168
Device Not Responding to Ping to Its Ipv6 Address Task Flow
168
Displaying Ipv6 Interface Information
170
Enabling Ipv6 Interface on Management VLAN
171
Configuring Ipv6 Address
171
Displaying Ipv6 Global Information
171
Enabling Ipv6
172
Setting Ipv6 Gateway
172
Displaying Ipv6 Interface Information
172
Showing Logging
173
Configuring Another Ipv6 Address
173
Configuring Another Link-Local ID
173
Cannot Ping IPV6 Host from Device Console
173
Cannot Ping IPV6 Host from Device Console Task Flow
174
Displaying Ipv6 Neighbor Information
174
Checking Remote Host Integrity
175
Duplicate Address Detected (Global Ipv6 Address)
175
Displaying Ipv6 Neighbor Information
176
Checking Remote Host Integrity
176
Duplicate Address Detected (Link-Local Address)
177
Displaying Ipv6 Interface Information
178
Viewing the System Log
179
Changing the Link-Local Address
179
Cannot Connect through Ipv6 Default Gateway
179
Checking the IPV6 Default Gateway Status
180
Pinging the Ipv6 Default Gateway
181
Using Traceroute to Determine Network Error
181
Ipv6 Management Traffic Is Not Sent/Received as Expected
181
Checking the Ipv6 Configuration
182
Checking the Ipv6 Statistics
183
Checking the Icmpv6 Statistics
183
IPV6 Telnet/Http/Ssh to Device Does Not Work
183
Checking the Ipv6 Configuration
184
Checking TCP Statistics
185
Udpv6 Communication Does Not Work
185
Checking the Ipv6 Configuration
186
Checking UDP Statistics
187
Checking if the Application on the Remote Host Supports Udpv6
187
Cannot Set Ipv6 Address
187
Displaying the Ipv6 Address Interface
188
Deleting the Ipv6 Address
189
Configuring New Ipv6 Address
189
Configuring New Ipv6 Gateway Address
189
Chapter 12: Troubleshooting XFP/SFP
191
Troubleshooting XFP/SFP Workflow
191
XFP/SFP Device Not Detected
191
XFP/SFP Device Not Detected Task Flow
191
Confirming Device Is Supported
192
Understanding Limitations of some Sfps
193
Viewing GBIC Details
193
Replacing Device
194
Chapter 13: Troubleshooting IGMP
195
Troubleshooting IGMP Workflow
195
Multicast Packets Flooding Network
195
Multicast Packets Flooding Network Task Flow
196
Viewing IGMP Snoop Settings
197
Viewing IGMP Multicast Groups
199
Showing Settings for Flooding Multicast Packets
200
Disabling Multicast Packets
201
Multicast Packets Not Flooding Network
201
Multicast Packets Not Flooding Network Task Flow
201
Viewing IGMP Snoop Settings
203
Viewing IGMP Multicast Groups
205
Showing Settings for Flooding Multicast Packets
206
Enabling Multicast Packets
207
Chapter 14: Troubleshooting RSTP SNMP Traps
209
Troubleshooting RSTP SNMP Traps Workflow
209
No RSTP SNMP Traps Are Received
209
No RSTP SNMP Traps Are Received Task Flow
209
Viewing RSTP Configuration
211
Enabling RSTP Traps
211
Viewing IP Manager Configuration
212
Enabling SNMP
212
Viewing Trap Receiver Configuration
213
Configuring Snmpv1 Trap Receiver
213
Configuring Snmpv2 Trap Receiver
213
Configuring Snmpv3 Trap Receiver
214
Chapter 15: Troubleshooting SPBM
215
Displaying IS-IS Configuration
215
Displaying SPBM Configuration
216
Displaying VLAN to ISID Associations
218
Verifying Forwarding Database Information
219
Verifying ISIS Interfaces and Receive Protocol Control Packets
219
Verifying UNI Configuration
220
Verifying SPBM Unicast FIB Entries
221
Verifying SPBM Network Topology
221
Verify SPBM Multicast FIB Entries
222
Verifying LSDB Information
223
Using CFM
224
Chapter 16: Troubleshooting SLA Monitor Agent
225
Supporting NTR and RTP
225
Chapter 17: Troubleshooting Dhcp/Bootp Relay
227
Troubleshooting Dhcp/Bootp Relay Work Flow
227
Navigation
228
Cannot Set the Forward Path
228
Cannot Set the Forward Path Task Flow
228
Navigation
229
Viewing VLAN IP Information
229
Bootp/Dhcp Requests from Clients Do Not Reach Bootp/Dhcp Server
229
Bootp/Dhcp Requests from Clients Do Not Reach Bootp/Dhcp Server Task Flow
229
Troubleshooting Avaya ERS 4000 Series April
231
Viewing IP Routing Information
232
Enabling IP Routing Globally
232
Viewing VLAN Information
232
Enabling IP Routing on VLAN
233
Viewing IP Static Routes
233
Configuring IP Route
233
Viewing Global Relay Setting
234
Enabling Global Relay
234
Viewing VLAN Relay Information
234
Enabling VLAN Relay
235
Viewing Forward Path Settings
235
Enabling the Forward Path
235
Selecting the Forward Path Mode
236
Bootp/Dhcp Replies from Server Do Not Reach Bootp/Dhcp Clients
237
Bootp/Dhcp Replies from Server Do Not Reach Bootp/Dhcp Clients Task Flow
237
Navigation
238
Verifying IP Connectivity between Server and Client
238
Other manuals for Avaya 2000 series
Quick Start Configuration
58 pages
Quick Installation
2 pages
Reference Guide
40 pages
Technical Configuration Guide
48 pages
Installing
40 pages
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Avaya 2000 series Specifications
General
Brand
Avaya
Model
2000 series
Category
Network Router
Language
English
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