Switching

Hi everybody.Please consider the following excerpt from my first book:"When a PAgP mode of auto or desirable is configured on a port, you also have the option of configuring either of the following operational parameters:                             ...

    hello suppose i have one switch and many RIPv2 routers connected to it.ripv2 destination address is 224.0.0.9 that is mapped to 0100:5e00:0009normally the switch will send this frame to all ethernet ports               is there a way to take bene...

Hi Experts , I am trying to add a Cisco SMB SF300 - 24 Switch to an infrastructure which has only Cisco Catalyst Switches The Core layer is Cisco Cataylst 4503 . Distribution is Cisco Catalyst 3560 and the Access Layer is Cisco 2960 Switches.There ab...

Dear community,in my simple network setup, I cannot resolve DNS queries from inside my NATted network. On the router I can ping both IP-addresses and names. Ping from the  local machine works for IP-Adresses but not for names. When doing nslookup, ad...

Im still having problems grasping this topic. I get the jist of it in theoretical use as we use it to send untagged frames across a trunked link. My question I guess would be how is it relevant in today's networks? Why are we sending these frames unt...

I tried enabling ospf on a Cisco Cat3750, model number: WS-C3750E-48PD-S. But it says "Protocol not in this image". I looked on cisco's website for a download for a IPServicesK9 or a Advanced IPServicesK9 image to re-image the switch with but it seem...

Hello,Is it possible to force a router to use its secondary IP on an outside-facing interface as a source IP for traffic that originates from within the router, such as ICMP, NTP, and DNS?i.e.interface vlan 200ip address 10.0.0.2 255.255.255.0ip addr...

Hello,I am confused about some things regarding the different IOS versions and their compatibility with certain switch hardware. I understand the differences between the IPBASE and IPSERVICES ios but am not quite clear as to how you can tell which io...