Switching

Hi all,Recently I have configured netflow on a nexus 7000 with NX-OS 6.0.2.In the meantime we have upgraded to version 6.1.3.Strangly enough the configuration of netflow demands to enable a netflow sampler now. In the past this wasn't necessary.Runni...

We have configured a new VLAN to segregate a higher security zone in our organization however response to/from it is slow.VLAN1 is where most of our internal network sits and accesses data across a WAN line that is fairly quick, 10Mb link and the dat...

Security associations keep getting created in my VPN router. I'm doing my own research, but I would like to know why they continue to be created. Thank you in advance.

Hello,I was looking for some straight forward documentation/information on how to configure RADIUS for a Nexus switch using Server 2008 R2 as the RADIUS server both from the Nexus side and the Windows side. I have had no luck finding anything that wo...

Hi,I have a new C4507RE+ and two Supervisor SUP7L-E (Primary Supervisor in the Slot 3, and the Standby Supervidor in the Slot4). And I have these question:I can connect 04  GLC-SX-MMD in the uplink ports of  Supervisor Engine 7L-E (Primary)?. I would...

Hi fellows,I would like to implement VSS on my Datacenter. I have a 6500 working standalone and I have servers and access switches connected to it. My question is what happen with the configuration of this switch at the moment that I restart it to im...

Hi,What is the Source IP address filled In Query messages In Proxy and Proxy Reporting Mode in IGMP Snooping.Thanks & Regards,Muniyappan S

Hello,I have several 3560X series switches all running on 15.0(2)SE2, but there is one switch in particular that crashes every 5 weeks (almost to the hour). I have attached a crash file that I cannot decode. Can anyone tell me how to figure out what ...

Hi guys,recently we replaced our cat3750 boxes with WS-C4948-10GE. Everything works great, but we are distracted by log entries like this:000510: Aug 16 07:07:17.985 UTC: %SFF8472-5-THRESHOLD_VIOLATION: Te1/50: Rx power low alarm; Operating value: -4...

Hi all,often i get mac address flap error in switches, but unable to identify the cause for some cases.AS1---DS---AS2. Two switches AS1 and AS2 are connected to DS and i am seeing host mac address connected to AS1 being learnt from AS2 connected port...

I'm having trouble getting these 2 switchs to stack  - is it a ios issue or a version ?The first 3750,   is a WS-C3750-24PS-S hardware model, and is running “c3750-ipbasek9-mz.122-55.SE1.bin” software.The second 3750, WS-C3750X-24P-L hardware model,...

Hi all,I am relatively new to Cisco and to give you an idea of where I am technically, i got my ICND1 earlier this year and just started ICND2.I have an 887 (887VA-K9 v02 to be exact) and what I'm trying to achieve, although seems very simple is not ...