Avaya 8800 Troubleshooting Manual page 14

RSMLT peers not up........................................................................................................................ 449
Enabling trace messages for RSMLT troubleshooting..................................................................... 449
Troubleshooting IPv6 connectivity loss..................................................................................................... 450
Troubleshooting RADIUS.......................................................................................................................... 451
RADIUS switch side troubleshooting................................................................................................ 451
RADIUS server side troubleshooting................................................................................................ 452
Enabling trace messages for RADIUS troubleshooting.................................................................... 453
Troubleshooting DHCP Snooping............................................................................................................. 453
Client not assigned IP address......................................................................................................... 453
DHCP Snooping configured properly but client not assigned IP...................................................... 454
Client assigned IP address but no binding entry created................................................................. 455
Client not always successfully assigned an IP address................................................................... 455
Client loses IP address after a switch reboot................................................................................... 456
Troubleshooting Dynamic ARP Inspection............................................................................................... 456
Enabling trace messages for Dynamic ARP Inspection troubleshooting......................................... 456
Troubleshooting IP Source Guard............................................................................................................ 457
Enabling trace messages for IP Source Guard troubleshooting...................................................... 457
Troubleshooting TACACS+....................................................................................................................... 457
Customer unable to log on using Telnet or rlogin............................................................................. 458
Customer unable to log on using SSH............................................................................................. 458
Customer unable to log on using PPP............................................................................................. 459
Customer unable to log on by any means (Telnet, rlogin, SSH, and PPP)...................................... 460
Administrator unable to obtain accounting information from the TACACS+ server.......................... 460
Administrator unable to receive trap packets from the Avaya Ethernet Routing Switch 8800/8600 461
User unable to login......................................................................................................................... 461
Avaya Secure Network Access troubleshooting....................................................................................... 462
Monitoring DHCP requests............................................................................................................... 463
Issue: client unable to reach the DHCP server................................................................................ 463
Issue: SSH session is not established between edge switch and SNAS server.............................. 463
Issue: ASNA connection not established after HA failover............................................................... 464
Issue: TG page does not open when client is in Red VLAN............................................................. 464
Issue: page is not automatically redirected to SNAS login page...................................................... 465
Issue: client not registered by switch................................................................................................ 465
Issue: PC client Web page displays Cannot contact Web Server.................................................... 466
Troubleshooting HTTPS................................................................................................................... 466
Chapter 29: Software download........................................................................................
Downloading Avaya Ethernet Routing Switch 8800/8600 software.......................................................... 469
Downloading Avaya Ethernet Routing Switch 8800/8600 documentation................................................ 470
Chapter 30: Data collection required for Technical Support cases...............................
Gathering critical information.................................................................................................................... 471
Data collection commands........................................................................................................................ 472
General troubleshooting issue.......................................................................................................... 472
Collecting port statistics.................................................................................................................... 472
IP route issues.................................................................................................................................. 473
Multi-Link Trunk issues..................................................................................................................... 474
CPU spike issues............................................................................................................................. 474
Contacting support.................................................................................................................................... 476
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July 2013