Hi,i have 3750-12G with all SX SFP's. c3750-i9-mz.122-20.SE4All ports are 802.1Q trunks, with 3 ports trunking all (10) vlans, 9 ports trunking 2-4 vlans.All routing is done via SVI vlan interfaces.VLAN1 is workstations with ~500 nodes.VLAN2 is voip ...

Hi,WS-C3750G-12S with c3750-i9-mz.122-20.SE4 populated with all SX SFP's.I have multiple vlans configured, and route between them.Vlan1 has 3 secondary addresses assigned and routes between those too.One of the secondary addresses stopped responding ...

Hi,i have a number of 3560 switches, powered and non powered, which i want to stack with the cab-sfp-50cm cables. IOS is 12.2.20SE4.However, i get this error:-%PM-4-ERR_DISABLE: gbic-invalid error detected on Gi0/2, putting Gi0/2 in err-disable state...