Switching

hi, Attacker-----R1------R2 so the attacker is in the LAN, R1 is the local DNS server, R2 is public DNS Server. when we want to configure DNS spoofing: R1:ip name-server 2.2.2.2ip domain lookupip dns serverip dns spoofing 1.1.1.1 can someone plea...

Hi, A 15Mb mpls link is upgraded to 50Mb link by the service provider and the same thing was confirmed by the provider after the upgradation was done from their end. Now from the CE end router, what would be post checks/commands that can be performe...

I'd like to know if it is possible to use SFP for 1 Gbps in a WS-C2960X-24TD-L that supports SFP+ modules, and if I want to upgrade later to 10 Gbps simply I change the SFP? Thanks in advanced

Hi all We have a an MPLS connection to one of our sites, we can send large pings to any windows server,  apart from one of the hpux servers, we can send pings of size 1372 bytes to it but no more, if we try larger they fail. Would this be an issue on...

Hi All, I have a query. Can i create a switched port and a routed port in same port-channel interface ? In the scenario attached, a port-channel (PO 11) is created between ASA and Nexus. There is a load-balancer attached to Nexus. I want port-channel...

Hi everybody... I hope are you well doing  I have a printer and I want change IP from dhcp to static, but first I want to know IP address available to use ..How to make scan IP addresses don't use it for any person in my company ....  

Hi folks, I have a little design question in regards to Catalyst 650X VSS VS4O (quad supervisors) in regards to the dual active detection.I have seen that the recommendation is to use ePAgP utilizing an access switch as well as doing a separate dual ...

Hey folks, undoubtedly stupid question but I'm failing badly at RTFM. Have a fairly typical scenario where Cisco is remapping COS 5 to DSCP 40, when of course we're looking for DSCP 46.  In the 3750/6500/etc mls configuration, it's no big deal: mls ...

Hi,  I understand standard packet delivery process host-to-host through the router or a switch but following question puzzles me. HOST A (192.168.0.1) ------->HOST B (192.168.0.2) ------->HOST C (192.168.0.3) ------->HOST D(192.168.0.4)  Question:...

Hello, Everyone knows this standard campus Layer 2 loop free design (attached). Why the layer 3 interlink between distribution switches is needed ? Can anyone explain this.. Thanks

Hello, A vulnerability scan shows that SSL version 2 and 3 protocols have been detected on a couple of my Cisco Catalyst 3560 switches.  What command should I use to disable these? Thanks, Tom

I have a new cisco 2960 switch but when I connect to it using teraterm it just given me a blank screen. I can use the same laptop on other switches that were donated to us but not on any of the new ones. I tried basic setup but only the Main LED ligh...