Switching

Hi guys, one of my switch ports suddenly went into spanning tree LBK state. the switch is not configured with any vlans or any extravagant configs, basically its plug and play. the port which went into LBK state has got a wireless access point connec...

It is possible to have two HSRP on two interfaces on two routers ?ROUTER 1track 1 interface GigabitEthernet0/1 line-protocol!interface GigabitEthernet0/0ip address 172.16.1.11 255.255.0.0ip nat insideip virtual-reassemblyduplex autospeed autostandby ...

Hi,I am trying to configure a cisco 867 router.  It has a FastEthernet switchport with 4 ports, but am not that familiar with switchports and splitting them up.How would I go about configuring one of the ports for WAN (with one IP) and configuring an...

I have a c1941 isr that i want to run as the dns forwarder for the lan.  This will have the local company dns zone on it as well but it will also need to act a a dns forwarder to send all internet requests to an outside dns server.  The below config ...

Is "area X range" command applicable for summarizing intra-area routes of non-backbone as well as backbone area? ie, using this command, can summarized routes be sent from non-backbone to backbone and vice versa?

Hi All,We are getting mac move notification for a mac address - 0000.0000.0000. Pls find below the log.%MAC_MOVE-SP-4-NOTIF: Host 0000.0000.0000 in vlan 80 is flapping between port Gi2/11 and port Gi1/46When i checked it, it is learning via both dyna...

I have a small network that is connected to the equipment managed by the landlord in our building.I own and control an ASA which handles all of our routing and a 2960 switch. The landlord has a 4506 switch.The landlord's switch connects to all of our...

Hello,Does the switch send bpdu when port in discarding state (Rapid spanning tree protocol)?          

Hello I Hope someone can give me some advise with this, not all the devices are cisco some are HP but kind of similar :S.I keep seeing this error and can not figure out what is wrong, i dont belive there should be duplicate routers in the neigbbout t...

Hi all.  I've configured the main router as an NTP client to an external pool of NTP servers and have also entered ntp update-calendar so the hardware clock also syncs to NTP basically, but am wondering do I also need to do any NTP commands on the em...