Cisco Systems 17053 appendix Catalyst 4000, 2948G, and 2980G Switches

			WS−X5225R) can
			result in speed or duplex
			mismatches under
			certain conditions. The
			problem typically
			occurs after the module
			is reset or the switch
			port is disabled and
			reenabled. The
			workaround is to
			disconnect and
			reconnect the cable that
			connects the
			workstation to the
			switch port.
			The 48−port,
			10BASE−T Ethernet
CSCdk32984	(		module (WS−X5012)
			incorrectly drops valid
registered customers only)
		4.2(2)	frames with dribble bits
			(extra bits added to
			frames by some end
			stations and
			transceivers).
			Under heavy traffic
			conditions, ports 1
CSCdj82035	(		through 24 (or ports 25
registered customers only)		3.2(2), 4.1(3)	through 48) of the
			48−port, 10BASE−T
			Ethernet module
			(WS−X5012) can stop
			transmitting frames.

For detailed information on Cisco bug IDs, refer to the Bug Toolkit ( registered customers only) .

Refer to Cisco Catalyst 5000 Series Switches Release Notes for more Catalyst 5000 and 5500 documented bug fixes.

Catalyst 4000, 2948G, and 2980G Switches

This table lists several known issues found on the Catalyst 4000, 2948G, and 2980G switches.

Table 9

Bug ID	Resolved	Description
	In
CSCds38973	4.5(8),	The Catalyst 2948G and Catalyst
( registered	5.2(7),	4000 switches can experience issues
customers only)	5.5(2)	with total or intermittent loss of
		connectivity. The frequency of
		these issues can vary from once a