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ITD: Load Balancing, Traffic Steering & Clustering using Nexus 5k/6k/7k/9k”>Cisco

…access-list, NAT (EFT), VIP, health monitoring, sophisticated failure handling policies, N+M redundancy, IPv4, IPv6, VRF, weighted load-balancing, bi-directional flow-coherency, and IPSLA probes including DNS. There is no service module or external appliance needed. ITD provides order of magnitude CAPEX and OPEX savings for the customers. ITD is much superior than legacy solutions like PBR, WCCP, ECMP, port-channel, layer-4 load-balancer applian…


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Cisco Live San Diego 2015 – IPv6 “the wrap”

…ere is my personal summary of (what is always) one of my favourite weeks of the year. As we entered the event, IPv6 deployment in the US was sitting at around 18% with the ARIN IPv4 free pool on the brink of total depletion. Once again this year I was lucky enough to be closely involved in the event: as IPv6 Session Group Manager (together with my colleague Eric Vyncke) we are jointly responsible for reviewing all IPv6 content. Within Cisco Liv…


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Verify my service chain!

…ning technology used. One novel approach can be to carry the meta-data as part of the “in-band OAM” IPv6 extension header or as a new NSH MD-type 1 if the network service header is used for service chaining or as part of Segment Routing extension header. Does this sound of interest to you the reader? This is the second blog in the series on “in-band OAM for IPv6 (iOAM6)”. Service chain and path verification is a key capability that iO…


What if you had a trip-recorder for all your traffic at line rate performance?

The case for “ In-band OAM for IPv6”:  Operating and validating your network just got easier How many times have you wanted to gain a full insight into the precise paths packets take within your network whilst troubleshooting a problem or planning a change? Did you ever need to categorically prove that all packets that were meant to traverse a specific service chain or path really made it through the specified service chain or path? “In-band OA…


Addressing data plane performance measurement on OpenStack clouds using VMTP

…types and versions Select special network interfaces (useful for VMs attached to multiple networks) SR-IOV and IPv6 support Detailed online documentation @ VMTP also supports a quick way of creating charts from multiple run JSON results so you can easily view and consume the results of multiple runs. This new feature ( takes one or more VMTP JSON files as input and generates a static HTML…