About Razvan Craciun

Razvan Craciun · 06-12-2018

Hi, I have recently bought a couple of Nexus 93180YC-EX switches for a small datacenter deployment. These switches would also do the core routing for this datacenter. I plan to use VPC, SVIs, Layer 3 routing (EIGRP over the VPC peer-link) and also...

Razvan Craciun · 12-20-2013

Hi guys,I've hit an issue that I can't get to the end of, and thought that you might be able to help...I have an invalid MAC address that is flapping and continously looping between in aVLAN of one of our remote sites LAN. The mac address is 6000.86d...

Razvan Craciun · 08-14-2018

Hi, After a Cisco support ticket, I can say that we are quite stable with 7.0(3)I7(3), except a bug that seems to cause tahusd to use 15-20% of the CPU. No performance impact so far, but we ar enot using the Nexuses at their full potential.

Razvan Craciun · 06-13-2018

Hi, Thanks for your reply. I indeed chose 7.0(3)I6(2) as it had one of the shortest open caveats list. Still, I was hoping somebody on this forum already is running on it and would be able to confirm it's bug free. I've read some nasty bugs ion p...

Razvan Craciun · 12-23-2013

Yes Paul, soory for the missunderstanding. The loop is only contained in VLAN 75.There is only one span session that is involving other VLANs, not vlan 75 (and it is configured on the core switch only). It is not configured for any of the trunk ports...

Razvan Craciun · 12-23-2013

Hi pdriver, I do not understand how a port in a blocking state can cause the loop. The Blocking state is supposed to break the loop, right? I have initially attached the output of the "Sh spanning-tree vlan 75" command. STP topology seems to have con...

Razvan Craciun · 12-23-2013

Hi Gert, You would be right on that one, I don't have this scenario on this network. Would you guys know where could this MAC originate from? It doesn't seem to be a legitimate MAC address to me...

Member Since	‎12-20-2013 03:07 AM
Date Last Visited	‎08-15-2019 11:36 PM
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Nexus 93180YC-EX with PBR

Invalid MAC address endlessly flapping between two ports

Re: Nexus 93180YC-EX with PBR

Re: Nexus 93180YC-EX with PBR

Re: Invalid MAC address endlessly flapping between two ports

Re: Invalid MAC address endlessly flapping between two ports

Re: Invalid MAC address endlessly flapping between two ports