Cisco Live US 2018 – CAE and keynote speakers [updated]

After being six times at Cisco Live Europe between 2009 and 2016, this year my management allowed me to go to Cisco Live US. I registered last week and now I am starting to see some rumors about the customer appreciation event (CAE) and the keynote speakers. Customer Appreciation Event First rumor read here and there, the CAE of Wednesday June 13th, will be at Universal Studios Orlando. From 7:30 PM to 11:30 PM, CAE participants will have exclusive access to the theme park, including the rides and attractions. The event will…

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BGP load sharing and unequal cost load sharing

On Cisco routers, by default the BGP protocol will not do load-sharing – and even less unequal cost load-sharing – across multiple links, for traffic to the same eBGP destination with different AS-path. Let’s see how we can change this. We can configure the command: “maximum-paths n”, but it only works if the weight, local-pref. and AS-path attributes are the same across the different uplinks. So how can we do load sharing if we are multihomed to different ASes? In that case, we must use the BGP command: “bgp bestpath as-path multipath-relax”. VIRL lab…

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