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Resolved! Vlan or port prioritizing

Is it possible to prioritize certain vlans? I would to like prioritize 2 ports, since these are ATM ports. the lan is being congested for some reason. some devices are shuting down due to latency.. any ideas, so i can prioritze the traffic of the por...

Migration of vlan IDs

I need to change the ID for a vlan and would like to minimize the outage for migrating the hosts. Our environment are Nexus cores using a VPCs to 5ks.  The SVI for the vlan resides on the Nexus cores and only L2 on the Nexus 5ks.  For example I have ...

assigning IP to 3560-x for remote management.

I have a 3560-x connected to a 6509.  On the 6509 i have vlan 30 with ip 10.10.10.1/24.  The interface between the 6509 and the 3560 is access assigned vlan 30.  The 3560-x is using fa0 in routed mode and IP = 10.10.10.2/24.  I can't ping across this...

tporembski by • Level 1
  • 1310 Views
  • 14 replies
  • 0 Helpful votes

VTP pruning with VTPv3

Hi, I deployed VTPv3 today on a couple of switches. Small site for testing :)I discovered that I could enable VTP pruning without being the primary server. And this change did not spread VTP domain wide. I had to enable VTP pruning on all switches in...

Can still ping a deleted sub interface

Weird problem - I have an ASR and a 2851 with HSRP on subinterfaces. I recently deleted a subinterface on both routers but I can still ping what was the HSPR virtual address from the 2851 but not from the ASR.I tried re-adding the subinterface with a...

Understanding Cut-Through Switching Mode

Hello i am learning about differents operation modes of Cisco Switch and i have a question about the Cut-Through Switching Mode:Cut-Through mode tell the switch to forward a frame after opening only the first 14 bits. how this method can support Vlan...

Resolved! WRR Queue Configurations

Hi I am in the process of upgrading a 6500 to a 6800X. Many ports on the existing 6500 have the WRR Queues configured as below. The new core does not accept some of those lines and my knowledge regarding WRR is currently limited. Is it essential that...

Resolved! vlan routing

I have a 4506 connected via fiber to a 2960. The interface on the 4506 is switchport access vlan 9. The interface on the 2960 is switchport access vlan 10. They are both on the same subnet. vlan 9 on the 4506 is 10.20.2.1 and vlan 10 on the 2960 is 1...

Resolved! IPv4 and IPv6 static routing on Cisco Catalyst Switches 2960 Series

Hello,Do Cisco Catalyst Switches 2960S and 2960X perform IPv4 and IPv6 static routing?I found that only the Cisco Catalyst 2960-XR Series with the IP-Lite feature set implements IPv4 and IPv6 static routing.                                           ...

apereira3 by • Level 1
  • 907 Views
  • 3 replies
  • 0 Helpful votes

MAC flapping on WLC ports

Hi all,I've been getting.Feb 23 10:59:50: %C4K_EBM-4-HOSTFLAPPING: Host 7C:E9:D3:9A:DC:99 in vlan 1 is flapping between port Gi3/2 and port Fa4/14.Feb 23 11:00:01: %C4K_EBM-4-HOSTFLAPPING: Host B8:EE:65:71:55:12 in vlan 1 is flapping between port Fa4...

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