HP ProCurve 6600 manual C-34

Troubleshooting

Using the Event Log for Troubleshooting Switch Problems

System	Description	Documented in ProCurve Hardware/
Module		Software guide
telnet	Session established on the switch from a remote device	Management and Configuration Guide
	through the Telnet virtual terminal protocol.
tftp	Trivial File Transfer Protocol: Supports the download of files to	Management and Configuration Guide
	the switch from a TFTP network server.
timep	Time Protocol: Synchronizes and ensures a uniform time	Management and Configuration Guide
	among interoperating devices.
udld	Uni-directional Link Detection: Monitors a link between two	Access Security Guide
	switches and blocks the ports on both ends of the link if the
	link fails at any point between the two devices.
udpf	UDP broadcast forwarding: Supports the forwarding of client	Multicast and Routing Guide
	requests sent as limited IP broadcasts addressed to a UDP
	application port on a network server.
update	Updates (TFTP or serial) to ProCurve software and updates to	Management and Configuration Guide
	running-config and start-up config files
usb	Auxiliary port that allows you to connect external devices to	Installation and Getting Started Guide
	the switch.
vlan	Static 802.1Q VLAN operations, including port-and protocol-	Advanced Traffic Management Guide
	based configurations that group users by logical function
	instead of physical location
	• A port -based VLAN creates a layer-2 broadcast domain
	comprised of member ports that bridge IPv4 traffic among
	themselves.
	• A protocol-based VLAN creates a layer-3 broadcast
	domain for traffic of a particular routing protocol, and is
	comprised of member ports that bridge traffic of the
	specified protocol type among themselves.
	VLAN messages include events from Management interfaces
	(menu, CLI, web browser, ProCurve Manager) used to
	reconfigure the switch and monitor switch status and
	performance.
vrrp	Virtual Router Redundancy Protocol: Provides dynamic	Advanced Traffic Management Guide
	failover support as backup for gateway IP addresses (first-hop
	routers) so that if a VR’s Master router becomes unavailable,
	the traffic it supports will be transferred to a backup router
	without major delays or operator intervention, eliminating
	single-point-of-failure problems.
xmodem	Xmodem: Binary transfer feature that supports the download	Management and Configuration Guide
	of software files from a PC or Unix workstation.
xrrp	Extended Router Redundancy Protocol: Routing protocol not	—
	used for logging messages in software release K.13.xx.

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