Switching

On Cisco1841,When type 'show ver'flash file is shown likeRouter uptime is 1 hour, 1 minuteSystem returned to ROM by power-onSystem image file is "flash:c1841-advipservicesk9-mz.124-7d.bin"However, when type 'show flash' Router#show flashNo files on d...

Hi All,I want to configure my NTP Master to get itself synched with public NTP Server for every 12 hrs. I am using Cisco 6509 switch as a NTP server for my network. Please suggest.Anil K.

I am preparing for the CCNA.  I was given the follwing practice question. Given subnet mask 255.255.254.0, which of the following can be assigned to hosts?  186.54.3.0, 175.33.3.255, 26.35.2.255, 152.135.7.0.[For the CCNA in 2003 .254 was a valid mas...

Hi,I apologize if this is the wrong area to ask this question.Background: I currently have a UC520 connected to 4 8-port CE520, with each CE520 switch on a different port. Each of these switches are in differnt locations in my office. Everything work...

We used to have our closet switches (routed 3750s) talk OSPF to our 2 core 6509s.. we saw that the 2 port-channels we had configured load balanced the network traffic.. Last weekend, we replaced OSPF with EIGRP and one of our port-channels shows 95% ...

Hi all,I have a problem I'm wrestling with, and hoping that someone with more Cisco-specific knowledge may help me find some direction with.I have a network with a 3560G switch, a Sonicwall doing the routing, and an Intellinet (generic) wireless acce...

Hello,I am trying to find where Cisco 2821 saves crashinfo file and how do i retrieve it.This is urgent, can anybody please help me with the information.Thanks in advance.Manmohan.

Uplinkfast allows for fast failover to a redundant and blocked path in the event that the active and forwarding uplink fails. Simple.But how does uplinkfast effect failover if he active and forwarding uplink is really a port channel with 4 uplinks? L...

Hi,I have One Switch 3548 with few vlans configured. Now I bought one more switch and want to do the following :Switch 3548 has One VLan as 880 with network as 10.8.8.0 for ports 1 to 8. Now I added one more switch in the network, configured VLan 880...

Our logs are filling up with these messages from our c6500:Apr 30 16:26:52: %CONTROLLER-SP-3-TOOBIG: An attempt made to send giant packet on Port-channel5 (1566 bytes from 82DD282, max allowed 1356)-Traceback= 40AF0E00 40C9DC54 40814F74 4081B98C 4081...

I'd like some detailed opinion on this...Is it a good practice to establish eigrp neighborships between core routers using the SVIs as the routed interfaces?In other words, I have 2 core switches running eigrp, with SVIs for about 20 vlans configured...