About Rafael Santos

Rafael Santos · 02-15-2020

Hello,I'm setting up a datacenter scenario with redundancy on a contingency site. We will place two Catalyst 9407 switches in the CORE layer, one in each datacenter, using the Stackwise Virtual Link (SVL) concept, in order to use the Etherchannel Mul...

Rafael Santos · 11-19-2019

HelloI would like some information regarding port-channels.I have heard colleagues in the area of networks say that it is not indicated to build a port-channel with odd number of interfaces, ie the ideal is always to have port-channels with even numb...

Rafael Santos · 10-13-2019

Hello,I have 2 Dell Force10 MXL10 / 40 switches that form a VLT domain. From each of these 2 Dell Force 10 switches, one port-channel configured in vlt peer-lag mode comes out and these two ports arrive on a Catalyst 4500 forming a single Port-channe...

Rafael Santos · 09-15-2019

Dear,I have a CORE switch, which is a root bridge of all VLANs in my environment. I want to use flex-link on a particular port. When I set the flex-link feature on my CORE switch interface, will this cause Spanning-tree to be disabled only from the i...

Rafael Santos · 05-20-2019

Hello,At the company where we have Wi-Fi network environment with access points Cisco AP 1832i and all APs are managed by a WLC 7510 with software version 8.3.143.I have the following problem, if a notebook user is in one environment and connected to...

Rafael Santos · 11-21-2019

Excellent information. Thank you!

Rafael Santos · 11-19-2019

Dear,I tested between Cisco and Dell Force 10 and the STP scenario worked perfectly.The DELL switch preferred to go out of the box with the Catalyst 4500 which has 40G bandwidth and kept the alternate path that has 20G block bandwidth.When I deactiva...

Rafael Santos · 11-04-2019

Hello people,Just to give feedback, I tested by turning off the UDLD feature on the Cisco Catalyst 4500 switches and also on the 3750.When port-channel 15 was raised between the DELL switch and Catalyst 3750, Po 15 was UP and no err-disable status oc...

Rafael Santos · 10-22-2019

Hello Patoberli, I am awaiting release for a new maintenance window and trying to apply the scenario again.This time I will disable the UDL feature of Catalyst 4500 and 3750 interfaces that connect with Dell Force 10. I hope the err-disable status wi...

Rafael Santos · 10-16-2019

Hello Patoberli,You are right. In the outline of the topology I submitted, the log Po6 corresponds to the topology Po10. Excuse me for the mistake in the drawing.Your UDLD suspicion is fully valid, I searched some sites and really this feature is not...

Member Since	‎06-16-2018 09:25 AM
Date Last Visited	‎02-19-2020 10:17 AM
Posts	50
Total Helpful Votes Received	5

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Is it possible to allow the exchange of HSRP messages, going through Layer 3 links?

Is port-channel with odd number of interfaces incorrect?

Connection between Dell Force10 and Cisco Catalyst showing abnormal behavior

Flex-Link Influence on Switch STP Configuration

Problems with client handoff in wi-fi network

Re: Is port-channel with odd number of interfaces incorrect?

Re: Connection between Dell Force10 and Cisco Catalyst showing abnormal behavior

Re: Connection between Dell Force10 and Cisco Catalyst showing abnormal behavior

Re: Connection between Dell Force10 and Cisco Catalyst showing abnormal behavior

Re: Connection between Dell Force10 and Cisco Catalyst showing abnormal behavior