Switching

We have a 76-ES+XT-4TG3CXL which is giving the following error and then resets itself on a regular basis. %NP_DEV-3-ECC_DOUBLE: Double-bit ECC error detected on NP [dec], Mem [dec], SubMem [hex],SingleErr [dec], DoubleErr [dec] Count [dec] Total [de...

hi guys i am having trouble with my home lab i have set up,i am starting to go through my labs book again on my own equipment,i have mainly used packet tracer an had no probs doing the labs on that,i am trying to set up a small network with 2 PCs 1 r...

Hi, I've a problem with SPAN. it doesn't send  icmp packets to my sniffer. For example: R1 - SW1 - R2, I can do ping between R1 and R2 but I can't see this icmp packets in wireshark through monitor session destination port. If I replace router by PC ...

I am connecting to my router wirelessly and I can ping it, but when I put in the ip address in either mozilla or ie, I get the authentication pop up, but then I get a blank screen after I authenticate (bottom status says done).  I am trying to get in...

Hi,Can anyone help me on a wired problem i'm facing with a 2811 router. It has got everything OK, but the interfaces are not pingable even with the basic configuration. I can assure you that the configuration is perfectly OK. There is no problem with...

I have a link between two Cisco 7600 with TenGig interfaces , I insert a optical splitter (1 in / 2 out) in order to connect a switch Cisco 3560 and configure  port span on the TenGig interface of this switch to another interfaces in the same switch ...

Hi All,I am currently having the attached Multicast setup in our office.  due to business needs we would like to add one more router with a DS3 link to the existing Multicast setup.  in the current setup we use PIM-SM with IGMP v3 for SSM mapping. ev...

For example: interface GigabitEthrernet0/1.100 ip address ... ip policy route-map Name_Of_Policy I'd like to get info via snmp about "ip policy route-map Name_Of_Policy".I mean if exist this policy on interface GigabitEthrernet0/1.10 or not exist.But...

HI,any idea when lab is going to change i have booked my lab for 4 october 2011.

In enterprise networks , do we use routingt protocols like eigrp or ospf for intervlan routing on distribution layer switches ?  or do we use static routing ?Do we advertise VLAN info to core switches ? if so, is it done by vtp ?Thanks,Ajay

Hi guys,Could anyone explain what interface or link delay in a router/switch is?I think that delay has two primary factors, time for equipment to forward packets and physical distance.The router does not know the physical distance of a link, so it ca...

     HI,Any command to see voice vlan?I have assigned same inerface for voice vlan and for data vlan,when i am doing sh vlan br it just show me data vlan information.Any help grealy appreciated!!!

We need to upgrade the IOS on a Catalyst 6500 SUP720-3B and wanted to keep the downtime to a minimum. The current IOS is a version of 12.2(18)SXF16 and need to upgrade to 12.2(33)SXI. The approach that we planned to take was to add an additional tepo...