:: Seite 5 von 10 :: Datenblatt zum Produkt Cisco Cisco 11503 CONTENT SERVICES mit DC# 478125 ::
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If logging requires frequent writing to the disk—more than several hundred bytes of log messaging per day—the
most reliable configuration is to log to a hard disk and store all other system files on a flash disk. Although Flash
disks generally provide the most reliable way to store information over time, hard disks endure frequent writes to
disk better than today’s Flash disks.
Power Supply Selection
The CSS 11503 ships with one integrated power supply (either AC or DC). The CSS 11506 ships with two
load-sharing power supplies (either AC or DC). A third power supply is optional.
GBICs and Cabling
Small Form Factor PluggableTransceivers (SFP)GBICs should be orderedfor each Gigabit Ethernetport used by the
customer. GBICs for short-haul (1000BASE-SX) and long-haul (1000BASE-LX) are available.
The GBICs require LC connectors, not SC connectors. To convert from LC to SC, customers can purchase
CSS5-CABSX-LCSC, a 10-meter fiber cable with LC connectors on one end and SC connectors on the other. These
types of cables are also available from other vendors.
Adaptive Session Redundancy (Layer 5/Layer 4 Stateful Failover)
If a customer plans to deploy Adaptive Session Redundancy (ASR), ports must be dedicated to transfer state, and
processing and memory resources need to be scaled. The following is an example of an entry ASR configuration
where two links are used for redundant interswitch communication, two are used for redundant ingress, and two
are used for redundant egress:
This configuration should have sufficient processing and memory resources for a typical ASR scenario.
Feature Sets, Global-Server Load Balancing, and Proximity
The Cisco CSS 11500 Series supports both the standard and enhanced feature sets of Cisco WebNS software.
The proximity database feature set for global-server load balancing will not be available in this release, but the
Cisco CSS11500 does support PDNSandmay therefore pointtoa proximity database andparticipatein a proximity
solution. Cisco plans, in future product releases, to continue to maintain and develop solutions for global-server load
balancing.
CSS11503-2AC with SCM-2GE (upgraded with 288 MB)
CSS5-IOM-2GE (upgraded with 288 MB)
CSS5-IOM-2GE (upgraded with 288 MB)
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