Nexus 5500 Packet Forwarding – Cut Through or Store & Forward

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Was reading through some documentation as noticed that the Nexus 5500 series has some unusual behaviours for Store and Forward. I made myself notes about the functional modes. Cut-Through vs Store and Forward In cut-through mode of operation a switch will start transmitting a frame before the frame has been completely received and this is the […]

Nexus 1000, Imperva WAF Intentions, Platforms and Partnering

Cisco Nexus 1000 has been a platform since it was launched, at least, that’s what I’ve always thought. Lately, Cisco has talked extensively about vPath 2.0 offering a multiservice data plane (great podcast with Cisco on vPath 2.0 at Packet Pushers) for service delivery on VMware hypervisors. And sometime NX1K will likely be on Openvswitch […]

Musing: The Dim Future of Cisco ACE & WAAS

Tony Bourke draws attention to the Barrons report that Cisco is scaling the back the ACE : Though even if it were true, it wouldn’t necessarily mean Cisco has given up on ACE. It could signal that Cisco is no longer interested in selling the ACE30 service module, preferring instead the ACE 4710 appliance and/or gearing up […]