Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Labels

Forum Posts

As per my understanding ARP works on Layer3 and switch only check layer2 header to process packets.I am wondering if there is case in which there is only pure L2 environment, how communication will happen between two PC without ARP. PC1 10.10.10.10/2...

Hi all, I am attempting to connect 3 routers to a main router as part of a larger setup.the relevant IP addressing table is :Router1 (on F0/0/1) 192.168.3.2/26Router2 (on F0/0/2  192.168.3.66/26Router3 (on F0/0/3) 192.168.3.130/26Main Router F0/0/1 -...

Darrinmc by Level 1
  • 8955 Views
  • 12 replies
  • 0 Helpful votes

Hi,  I'm looking to limit the bandwidth that is used by particular VLAN in my network. This VLan is a straight shot out to the internet and is used by external contractors. It shares the company internet pipe so is in effect a guest network ( althoug...

vin2 by Level 1
  • 11076 Views
  • 4 replies
  • 0 Helpful votes

I’m trying to connect to the SFP+ with a 1G link. I’m using two identical Finisar FTLF8524P2BNV-EC SFP+ modules and a short optical cable. First, I connected the switch port to my Server and got no link (not even LEDs blinking on either side). Then I...

tehuti2016 by Level 1
  • 4834 Views
  • 10 replies
  • 0 Helpful votes

Just posting in case someone somewhere may have seen this before. We've gone through two WS-C3650-48TQ switches that randomly stop responding to administrative commands. For example, I will shut a port, the switch shows the switchport administrativel...

Hello folks!I'm dialing with a strange issue, my interface in the sup module appear as inactive, I already change the SFP, change the config routed to access and still the same.CORE-VSS(config-if)#do sh int status mod 3Gi1/3/3 *** LAN-TO-LAN CEN inac...

Hello I setup 5 putty SSH session to 5 Cisco 3850 switches to push the new Denalli 16.3.7 to mitigate a memory leak issue on 16.3.6. At exactly 4 hours into the copy ftp: flash: the putty window closed with "Line Timeout Expired".    Why did this hap...

mlenco by Level 1
  • 1757 Views
  • 2 replies
  • 0 Helpful votes