Switching

Hi all, I'm here as some what of a last resort, I have a network brief to implement involving OSPF, and VLAN routing, its 4 router-on-a-stick networks connected by a backbone switch. with each router-on-a-stick network consisting of 3 sub-networks e...

Had a problem this morning with one switch in the stack had no lights on front panel, check power supply it had green lights, then unplugged switch to no avail. Then got idea to disconnect stacking cables and switch came back and is still working pro...

Hello all, I have an 1801 router. FE 1 to 4 are a bonded dialer group with an ISP via per packet share diallers 1 to 4 on VLANs 101 to 104 respectively (4 ADSL lines using PPOE). The WAN of the router goes to the managed switch for the system (NO DH...

This problem is happening in our student dormitory. Cisco TAC configured global portfast and BPDUguard on our 3560 switches. A couple of the ports have gone into err-disable state.  I've tried re-enabling the port with shut / no shut but it immediate...

Had a problem this morning with one switch in the stack had no lights on front panel, check power supply it had green lights, then unplugged switch to no avail. Then got idea to disconnect stacking cables and switch came back and is still working pro...

Hi, Can anyone describe me what is stack switching & how it is performed ? Is there separate model for stack switch ? How to manage stack switches individually ? Can anyone share the details about stack switching from cisco.

I have the following setup: - WS-C3560X-24U-S (with C3KX-PWR-1100WAC) - Version: 15.0(2)EZ / C3560E-UNIVERSALK9-M - C3KX-PWR-715WAC I am trying to source power to a PD (internal custom design) that does not support CDP nor LLDP, but does support 802...

Hello everyone,Our ISP, which happens to be our co-location host, is reporting that they are seeing ICMP redirects from the kit in our cabinet.  I attach a basic overview of our equipment along with its IP address configuration (not the actual addres...

Quick question:  Does anyone know what the "30-1410-02" means on a GLC-T?  Lot number or something?  Are GLC-T 30-1410-02 and GLC-T 30-1410-03 interchangeable?  Thank you!

Quick question:  Does anyone know what the "30-1410-02" means on a GLC-T?  Lot number or something?  Are GLC-T 30-1410-02 and GLC-T 30-1410-03 interchangeable?  Thank you!

Hi, I have a c4510 switch with cat4500es8-UNIVERSAL-M sw version. I am trying to configure global QOS but the qos command isn't working. Enabling QoS Globally To enable QoS globally, perform this task:   Command Purpose Step 1  Switch# conf t...