Switching

Hello, I am trying to download cat4500-e-ios-promupgrade-151-1r-SG4 (Catalyst 4500 Sup8E,4500X rommon upgrade to 15.1(1r)SG4 ) for switch 4506-E which was released during time when I had SMARTnet contract. Now, contract is expired. I am unable to dow...

We have several 2960S switches and would like to enable routing.  Instead of the traditional router on the stick configuration, I would like to use the L3 functions of the SDM templates. So I have enabled routing on test switch and added three VLANS ...

Hello Community, I have a hybrid network consisting of Cisco, Juniper and Aruba (wireless) in my environment. All edge switches consist of Cisco while the core switches are Juniper. While we migrated recently from an all cisco environment, we did not...

please can someone help me i have an issue with my  cisco 3750 power inline failed  here is my error when the switch boots up *Mar 1 00:00:24.209: %STACKMGR-4-SWITCH_ADDED: Switch 2 has been ADDED to the stack*Mar 1 00:00:24.285: %ILPOWER-3-CONTROLL...

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...