HP Aruba JL253A Management And Configuration Manual page 16

Classifier-based mirroring
Maximum supported frame size.............................................................................................................443
Effect of downstream VLAN tagging on untagged, mirrored
Troubleshooting traffic
Interface monitoring
Fans.......................................................................................................................................................
Chapter 13
Overview................................................................................................................................................
Troubleshooting approaches..................................................................................................................458
Browser or Telnet access
Unusual network
16
About selecting inbound traffic using advanced classifier-based
configuration................................................................................................
Classifier-based mirroring
About applying multiple mirroring sessions to an
Mirroring configuration examples................................................................................................
Enabling jumbo frames to increase the mirroring path
Operating notes for traffic
mirroring............................................................................................................
features.................................................................................................................
Configuring port and static trunk monitoring
Displaying the monitoring
Configuring the monitor
Selecting or removing monitoring source
show system ..............................................................................................................................
show system fans..................................................................................................................450
show system power-supply.........................................................................................................
Fan failures and SNMP traps......................................................................................................
Troubleshooting........................................................................458
problems.......................................................................................................
Cannot access the WebAgent.....................................................................................................459
Cannot Telnet into the switch console from a station on the
activity........................................................................................................................
General problems........................................................................................................................460
The network runs slow; processes fail; users cannot access servers or other
Duplicate IP addresses....................................................................................................
Duplicate IP addresses in a DHCP
The switch has been configured for DHCP/Bootp operation, but has not received a
DHCP or Bootp reply........................................................................................................461
802.1Q Prioritization problems....................................................................................................461
Ports configured for non-default prioritization (level 1 to 7) are not performing the
specified action.................................................................................................................461
Addressing ACL problems..........................................................................................................
ACLs are properly configured and assigned to VLANs, but the switch is not using the
ACLs to filter IP layer 3
The switch does not allow management access from a device on the same
Error (Invalid input) when entering an IP
Apparent failure to log all "deny"
The switch does not allow any routed access from a specific host, group of hosts, or
subnet...............................................................................................................................463
The switch is not performing routing functions on a
Routing through a gateway on the switch
IGMP-related problems...............................................................................................................
IP multicast (IGMP) traffic that is directed by IGMP does not reach IGMP hosts or a
multicast router connected to a
IP multicast traffic floods out all ports; IGMP does not appear to filter
LACP-related problems...............................................................................................................464
Unable to enable LACP on a port with the interface <port-number> lacp
command .........................................................................................................................465
Port-based access control (802.1X)-related
restrictions.........................................................................................437
interface.........................................................
mirroring.............................................................................................445
(CLI)......................................................................
configuration...........................................................................
port.............................................................................................448
interfaces........................................................
network.....................................................................460
packets.......................................................................................
address............................................................
matches........................................................................462
fails.................................................................
port.................................................................................
problems................................................................465
Aruba 2930F / 2930M Management and Configuration Guide
mirroring.................................435
MTU.......................................................444
traffic........................................................
network.........................................
VLAN...............................................463
traffic...................
for ArubaOS-Switch 16.08
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449
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458
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devices... 460
460
461
461
VLAN........ 462
462
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464