Please post the configs for the relevant ports.
I have had a look too and can't find anything much.
There is a thread in:
de.comp.hardware.netzwerke.misc
"E1000 bekommt keinen Link zum Catalyst-Switch"
Altavista babelfish helped slightly.
interface GigabitEthernet2/1 switchport trunk encapsulation dot1q switchport trunk allowed vlan 1,201-204 switchport mode trunk udld port flowcontrol send on channel-group 1 mode desirable ! interface GigabitEthernet2/2 ! interface GigabitEthernet3/1 spanning-tree portfast ! interface GigabitEthernet3/2 spanning-tree portfast ! interface GigabitEthernet3/3 spanning-tree portfast ! interface GigabitEthernet3/4 spanning-tree portfast .....
bcm-sw1#sh int | inc duplex Full-duplex, 1000Mb/s, link type is auto, media type is SX Auto-duplex, Auto-speed Full-duplex, 1000Mb/s, link type is auto, media type is SX Auto-duplex, Auto-speed Full-duplex, 1000Mb/s, link type is auto, media type is RJ45 Full-duplex, 1000Mb/s, link type is auto, media type is RJ45 Full-duplex, 1000Mb/s, link type is auto, media type is RJ45 Auto-duplex, Auto-speed Auto-duplex, Auto-speed Full-duplex, 1000Mb/s, link type is auto, media type is RJ45 Full-duplex, 100Mb/s Auto-duplex, Auto-speed
bcm-sw1#sh ip int br Interface IP-Address OK? Method Status Protocol Vlan1 192.168.20.248 YES NVRAM up up Vlan201 10.20.1.248 YES NVRAM up up Vlan202 10.20.2.248 YES NVRAM up up Vlan203 10.20.3.248 YES NVRAM up up Vlan204 10.20.4.248 YES manual up up GigabitEthernet1/1 unassigned YES unset up up GigabitEthernet1/2 unassigned YES unset down down GigabitEthernet2/1 unassigned YES unset up up GigabitEthernet2/2 unassigned YES unset down down GigabitEthernet3/1 unassigned YES unset up up GigabitEthernet3/2 unassigned YES unset up up GigabitEthernet3/3 unassigned YES unset up up GigabitEthernet3/4 unassigned YES unset down down GigabitEthernet3/5 unassigned YES unset down down GigabitEthernet3/6 unassigned YES unset up up GigabitEthernet3/7 unassigned YES unset up up