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Some of these solutions are provided by the subsystem vendor or storage switch vendor and some are provided by 3rd party companies . The product will still be available through Cisco field support offices and Cisco.com . The RP can use an ACL check to verify the validity of the source and accept or reject that multicast source from establishing itself as a Multicast source . Engineering will no longer actively apply any defect repairs to the release , regardless of origin or severity ( except for security defects ) . Because the SPAN feature effectively allows one to take a copy of any Fibre Channel frames being switched inside the switch , this may be considered a security risk given sensitive data that previously could not be snooped can now be captured . One can replicate and monitor traffic in any remote Cisco MDS 9000 Family switch or director , just as you would monitor traffic in a Cisco MDS source switch . Therefore , to integrate into a customer 's environment , Cisco has opened access to extensive amounts of information that can be retrieved from the Cisco MDS 9000 Family switches for use in these applications . Cisco offers a portfolio of Technical Support Services to help ensure that Cisco products operate efficiently , remain highly available , and benefit from the most up-to-date system software . No communication is possible between devices in different VSANs except where explicitly allowed through the use of Inter-VSAN Routing . Figuring out how to extend that impact has always been a central component of our mission . A critical ability of any director-class Fibre Channel switch is the ability to load and activate new software on the switch without disrupting traffic across the SAN . These resources could be physical in nature or a virtual representation as in the case of storage virtualization . The Link Layer OAM provides management and troubleshooting of a single link between two Ethernet interfaces , which may be interconnected through Ethernet or an emulated Ethernet connection such as Ethernet over SONET or Ethernet over MPLS . In general , the stock market produces returns on a quarter to quarter basis and that is 40 times faster than we are talking about here . This new product series represents the next generation in desktop switches , and features Cisco StackWise technology , a 32-Gbps stack interconnect that allows customers to build a unified , highly resilient switching system — one switch at a time . The services and support programs described in Table 6 are available as part of the Cisco Desktop Switching Service and Support solution and are available directly from Cisco and through resellers . Crossbars are also embedded in a redundant configuration . That means that over the next decade , younger workers will increasingly treat their involvement with a company as an investment . These processes can be manually restarted from the CLI or by the system ( in the event of a processing failure ) , avoiding any outage that might normally have been incurred by other processes in prior versions of IOS . In the unlikely event of a single unit failure , all other units continue to forward traffic and maintain operation . In a multicast deployment , the Rendezvous point ( RP ) plays a critical role in defining and building a path through the network over which multicast traffic can traverse . While these services can be addressed by implementing standalone appliances , the Catalyst 6500 offers the added advantage of integrated these services into the switch chassis . Each firm in our business experienced a round ( or two or four ) of cutbacks , downsizings and wrenching changes in atmosphere . These types of scenarios are described in the next section , along with recommendations .