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

The DHCP server my Macs use is not on the local subnet.  In my firewall rules, I allow traffic from the DHCP server address UDP 67 to local UDP 68, and that works... until it doesn't.  Every now and then, I find a machine with a zeroconf address and ...

jnojr by Level 1
  • 672 Views
  • 4 replies
  • 0 Helpful votes

I teach at a small college and they have limited equipment. There is 1 switch and now they want to share it between 2 classes. Each class has a server. Both servers have beed given the role of a DNS server and each class has created a domain. Thus bo...

millergeo by Level 1
  • 4295 Views
  • 9 replies
  • 0 Helpful votes

Hi,I have some issue with high cpu usage on my cisco Catalyst 4500 L3 Switch.After I configured Policy Base Routing(PBR), cpu utilization was about 97% when the high traffic was passing through to this policy.Please kindly let me know how to solve th...

Hi all,I've been troubleshooting a weird issue recently. I have 2 x 3750G-12S as a distribution layer providing routing functions for a layer 2 access layer. The distribution layer hold the SVI's and are running HSRP between them. They have a cross c...

Aileron88 by Level 1
  • 460 Views
  • 1 replies
  • 0 Helpful votes

Hi,I have 2 x 3750 stacked, the port number of the master switch is gigabitEthernet2/0/1, slave as gigabigEtherent1/0/1.Can I change the port numbering so that the master switch gets GigabitEthernet1/0/x?Cheers,Hannah

leepeiwai by Level 1
  • 30945 Views
  • 5 replies
  • 0 Helpful votes

Sh platform health says K5CpuMan Review is the culprit. Cisco docs says that is caused by traffic. Is there any way to track down the specific traffic load causing the CPU load? It is a 6E supervisorSent from Cisco Technical Support iPad App

I configured switchport voice vlan on our access switches for a phone vendor, whose phones support CDP.  They manually configured the VLAN ID on every phone anyway.  However, it is working.  My question is, if I issue the switchport voice vlan vlan-i...

Hi all,     I have this cisco 1941 router with two ethernet ports g0/0 and g0/1. The g0/0 is connected to office LAN with internet access. As my office LAN is DHCP, it will assigned a IP address for g0/0 since this g0/0 is configured as "ip address d...

phuayhow01 by Level 1
  • 5987 Views
  • 11 replies
  • 0 Helpful votes

Resolved! WS-X6708-10GE-3CXL

Dear Sirs!I have module WS-X6708-10GE, it is working good but when I run all test by cimmand "diagnostic start module 3 test all" I see next messages:Router#sh modMod Ports Card Type                              Model              Serial No.--- -----...

Is the port identifier = port priority and MAC address orport identifier = port priority and inteface number (Eg: 128.2 here 128 is port priority and 2 is interface numeber such as Fa0/2)Which is corrrect ? I'm bit confused.Actually i got this doubt ...

Hi,Is it possible to cascade(trunk) two cisco nexus 5548 switches together. We do not want to do the vpc links for now due to time constraints. We are looking at doing a simple trunk between two 5548's to get more connections.Appreciate all help. Tha...

suthomas1 by Level 6
  • 675 Views
  • 1 replies
  • 0 Helpful votes
Review Cisco Networking for a $25 gift card