Switching

Hi allI am installing some new distribution switches on my campus, all access switches will connect to them in the same closet, my question is should I stack them and have L3 vlans running no hsrp, all access switches will have a connection to stack ...

Good day,In our campus enviroment we have Cisco 6506 VSS Sup 2T as a core switch.Each of our Cisco 6506 switches contain:1) 6904-40G with 4xFourX adapter2) empty3) 6848-sfp4) empty5) Sup 2T6) emptySometimes we had a problem: on all an odd or an even ...

Greetings.I have had some problems with the DHCP servers. The siemens VOIP equipment requires the Option43 to be setuped, first the terminal gets the data vlan and the the voice VLAN address.I have disabled the no ip dhcp conflict command, because I ...

Hi,I have a Cisco 2951 router (running 15.2(4)M3) which is also acting as DHCP server for the LAN. The L3 interface config is as below (the dhcp pool and excluded address config is configured correctly and remains the same for all cases)interface BVI...

Hello guys,we have a stack of 6 switches. After a power shortage one of them changed to provisioned;#sh switchSwitch/Stack Mac Address : 0012.80ae.3880                                           H/W   CurrentSwitch#  Role   Mac Address     Priority Ve...

We just recently had a power supply gone bad in a 6509 chassis. When checked, the breaker has tripped. Logs showed "%C6KPWR-SP-2-PSFAIL: power supply 1 output failed". These are WS-CAC-4000W-US in redundant configuration.We checked the output of the ...

Hi allI've reached a dead end in my mind regarding policy based routing and need some pointersThis is my case.I've got two 1921 routers connected over a WAN provided by an ISP. The ISP are able to route some of our RFC1918 subnets but not all and for...

Hi All,MY MGMT Vlan having some issues,sometimes can ping sometimes cannot.interface GigabitEthernet0/1switchport access vlan 100switchport mode trunk!interface GigabitEthernet0/2switchport mode trunk!interface Vlan100description MANAGEMENTip address...

Hi,Whenever there is a High CPU occur in customer premise and if it is intermittent it is very hectic to find out the root cause. Because, the High CPU issues mostly have to be checked live to identify the cause of it.In order to detect the High CPU ...

    I am having trouble trying to setup a mgmt address on these boxes.  We have two 7k's above the 5k's and we are running vpc down to the 5k's.  The mgmt 0 interface on the 5k's is being used for vpc peer keepalive .  How do you add a management int...

I have a cisco 4506 working as access layer switch (only desktops and phones are connected to that). When i try to execute "auto qos voip cisco-phone" command to enable qos on the swicth ports, the switch generated the below error message.the policy ...

From  http://www.cisco.com/en/US/products/hw/switches/ps679/products_tech_note09186a0080094632.shtml                   "The color blocking logic (CBL) blocks traffic that is part of a VLAN different from that configured on a port from coming into or ...