Switching

Unable to consistently ping a device from the 3750x that is connected to a vlan on the 2960x stack (po1 between 3750x and 2960x).  ARP statements appear normally in 3750x, where the interface vlan resides.  The device is pingable from through the 375...

Hi mates,I am creating a Cluster Active-Passive Fortigate with two Heartbeat interface through CIsco Switch. My trouble is that don'w know if this Cisco switch support the ethertype 0X8890 that is used by Fortigate to create the Heartbeat interfaces ...

how traceroute works?

Hello all,Does anyone know when will the WS-4500X-32 support the TrustSec MACsec Encryption ?Thanks!David

HOW TO BUILD VLAN in L2 switch SM300 with firewall routing.  Query: In our infrastructure we have two network zones. 1st one is local network (back office) 2nd one is Secure Network (FAMS). We have 2 switches and 1 SonicWALL nsa2600 Firewall to manag...

Student learn how to use 1700 series router for beginner lab laptop I have is a old Compaq Armada E500 that works using telnet for the router. problem is the unit says Router con0 is now available press return to get started next line says aug 5 09:0...

We have a problem with Two Sup 7l-E in redondancy mode with a 4507R-EThe second card was UnknownCORE1#sh moduleChassis Type : WS-C4507R+E Power consumed by backplane : 40 Watts Mod Ports Card Type                              Model              Seria...

I have a Nexus 5010 and am getting the error "SFPInvalid" on a 10G port. I verified that I am using a Cisco-branded sfp and swapped it out for another Cisco-branded 10G sfp but still get the same error.What could the issue be?   

Hi what are my possiblities and functionalities to set Qos on Cisco Catalyst 3750X-24T-S Switch? can anyone provide me a general guideline.

Hi All We have M224 module in N7K where we have a WAN circuit. This circuit takes all traffic , including replication. Now  - there is too much of activity on replication and we wanted to police replication traffic. I was interested in 1-rate, 2-colo...

In regards to the 6800 Instant Access Solution, it's my understanding that the current OS (Release 15.1(2)SY) will support 1008 host ports across 21 Instant Access clients and that the Instant Access clients will support stacking up to three clients....