Switching

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

Get 20% off switches when you combine Cisco solutions

 
Labels

Forum Posts

Resolved! Single Mode QSFP+

What are the options for connectivity between Catalyst 9606 Campus Core to IDF 9300s switches over 40Gb SMF.  I looked at a few transceivers, and they are quite expensive such as  WSP-Q40GLR4L and QSFP-40G-LR4-S,etc. WSP-Q40TLR4L is the cheapest, but...

abbasali5 by Level 1
  • 1048 Views
  • 1 replies
  • 0 Helpful votes

Hey Everyone ,             Been googling around and have not located if this is an option on switches.              We are working on a design that would be helped out IF we could use the ASA concept of redundant ports on our switches. We are a bit l...

I have two sites that are several miles apart. They have a fiber (VLAN12) connection between them on the Layer 3 switches and a Microwave (VLAN11) shot between one layer 2 switch and the layer 3. One location is the access to the internet. Is there a...

Capture.PNG

Hi everyone. I need a help... I have a Switch Cisco 9300 and he's reloading with no reason. When I do "sh version" I get the follow output"Last reload reason: PowerOn " but the switch is connected in a nobreak and i have 2 powersupply":SW  PID       ...

Hi,I have a Cisco 2520 router with flash:igs-j-l.111-5. Why can' a 10.0.0.1 address be fiven a /24?SanJose1(config-if)#ip address 10.0.0.1 255.255.255.0Bad mask /24 for address 10.0.0.1Thanks.

saidfrh18 by Level 1
  • 23674 Views
  • 17 replies
  • 0 Helpful votes

I have 2 stacked C3750X-24T-E switches, I was able to downgrade to 12.2.55-SE13 version and upgrade to 15.0.2-SE12 version, but when I try to upgrade to any 15.2 version including 15.2.4E8 and 15.2.4E9 switch just does not boot,If it has older IOS on...

Hi.  On my 3750, I had a port that was configured as a trunk.  I changed the configuration of the port to this: interface GigabitEthernet1/0/22switchport access vlan 172switchport mode accessswitchport voice vlan 100switchport port-security maximum 3...

blait by Level 1
  • 5144 Views
  • 20 replies
  • 0 Helpful votes
Review Cisco Networking for a $25 gift card