Switching

I have a site complaining about connectivity dropping out frequently. They have a 2811 router. I turned on "debug ip nat detailed" and I get the following:*Nov 17 21:27:48.022: NAT*: Can't create new inside entry - forced_punt_flags: 0*Nov 17 21:27:4...

Hi,Please could someone confirm if you can run two supplies on the same 6509 chassis on different phases and if this is safe ?ThanksMark

Back in the days of hubs, there was a rule known as the 5-4-3 rule which stated that end-to-end traffic anywhere on a LAN could only cross a maximum of 5 segments, thru 4 repeaters (and only 3 segments could be user-populated).  This rule was to ensu...

I have a requirement to configure multiple spanned layer 2 networks between data centres for clustering services and I will be using MPLS xconnects.One of the spanned networks requires layer 3 connectivity and therefore the subnet needs to be configu...

Hi,I would like to configure the spanning Tree the on switch A, switch B and switch C. All of them will connect to each other.The traffic will go from switch A-> switch B -> switch C and stop it on switch C.May I know how to find out whether there is...

Hi,I'm a newbie in networking.I have a asa 5505 and I need to make a connection to a lan 192.168.10.0 and another lan 192.4.0.0 in both directions.The two lan are on the same phisical network.Now from one i can see the other bat not in the inverse di...

I'm running an 1841 with a switch hanging off one of the ports. I'm trying to restrict users from unplugging the ethernet from a PC and using it on a personal laptop. Since the switch is unmanaged, how do I accomplish this? Can I just issue the port ...

Dear all,We've finally got our Cisco 1941 onto the internet (which is great) but can anyone advise us on how to configure routing from this interface to the serial interface so we can access the internet from our LAN?Kind Regards,Noaman

Hi,We currently have a miniature test network configured like so:InterfaceConfigFast Ethernet 0Fast Ethernet 1     switchport access vlan 2Fast Ethernet 2     switchport access vlan 3Fast Ethernet 3     switchport access vlan 4- ip address 10.0.0.52 ...

Hi,I just want to know, what auto negotiation or no auto negotiation means in the Cisco ASR 1002 gigabit interfaces and what will be the impact if we apply them on interfaces.

Dudeswe have two routers providing 2 different feeds , if we have one DR, multicast groups on non-dr has not been forwarded to segment.Can we have two pim DR elected on single LAN segment based on multicast groups?Many thanksRajesh

Hello, this is probably an easy question but I'm stuck. (all IP address's are fake)External Block: 70.10.20.0/24Interal Block: 192.168.10.0/24I have a server with 192.168.10.50 and everyone in the network, servers and desktops can access this server....