Tag: balancing

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WebMarshal performance problems

RenĂ© Jorissen on May 22, 2008 • 0 Comments • Tags: #arp #bad #balancing #content #load #network #performance #procurve #static #switch #webmarshal

One of our customers is using WebMarshal for HTTP/HTTPS URL filtering and content scanning. The WebMarshall software is installed on two Microsoft ISA 2003 servers. These ISA servers are behind a Cisco Content Switch for load-balancing and redundancy purposes. The problem with the WebMarshal is the PERFORMANCE. Internet browsing with the WebMarshal as proxy just … Read More

Other stuff..., Switching

Port-channel Cisco vs. VMware ESX

RenĂ© Jorissen on April 4, 2008 • 5 Comments • Tags: #balancing #dst #esx #esxtop #etherchannel #ip #lacp #load #load-balancing #mac #port-channel #src #src-dst-ip #src-map

I have had different discussions with different customers about the load-balancing algorithms between a Cisco switch, configured with a port-channel and a VMware ESX server using multiple NICs. Our VMware consultants always choose Route based on IP hashes as load-balancing algorithm. This means that load-balancing happens on layer 3 of the OSI model (source-destination-IP). In … Read More