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Cisco MDS 9000 Family Configuration Guide, Release 2.x
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New and Changed Information
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Index
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Preface
- Part 1 - Getting Started
- Part 2 - Cisco MDS SAN-OS Installation and Switch Management
- Part 3 - Switch Configuration
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Part 4 - Fabric Configuration
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Configuring and Managing VSANs
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Creating Dynamic VSANs
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Configuring Inter-VSAN Routing
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Configuring Zones
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Distributing Device Alias Services
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Configuring Fibre Channel Routing Services and Protocols
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Managing FLOGI, Name Server, FDMI, and RSCN Databases
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Discovering SCSI Targets
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Configuring FICON
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Advanced Features and Concepts
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- Part 5 - Security
- Part 6 - IP Services
- Part 7 - Intelligent Storage Services
- Part 8 - Network and Switch Monitoring
- Part 9 - Traffic Management
- Part 10 - Troubleshooting
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Feedback
Table Of Contents
New and Changed Information
This chapter provides release-specific information for each new and changed feature in the Cisco MDS SAN-OS Release 2.x software. The Cisco MDS 9000 Family Configuration Guide is updated to address each new and changed feature in the Cisco MDS SAN-OS Release 2.x software. The latest version of this document is available at the following Cisco Systems website:
http://www.cisco.com/en/US/products/hw/ps4159/ps4358/prod_configuration_guides_list.html
Tip
The configuration guides created for previous releases are also listed in the website mentioned above. Each guide addresses the features introduced in or available in those releases. Select and view the configuration guide pertinent to the software installed in your switch.
To check for additional information about Cisco MDS SAN-OS Release 2.x, refer to the Cisco MDS 9000 Family Release Notes available at the following Cisco Systems website:
http://www.cisco.com/en/US/products/hw/ps4159/ps4358/prod_release_notes_list.htmlTable 1 summarizes the new and changed features for the Cisco MDS 9000 Family Configuration Guide, and tells you where they are documented. The table includes a brief description of each new feature and the release in which the change occurred.
Table 1 New and Changed Features for Release 2.x
Nondisruptive Storage Services Module (SSM) image upgrade
Allows no disruption of Fibre Channel switching traffic when upgrading the SSI boot image on an SSM using the install ssi command.
2.1(2)
New default initial state for SSMs
SSMs initially come up in Fibre Channel switching mode by default.
2.1(2)
Advanced Services Modules (ASMs) not supported
ASMs are not supported in Cisco MDS SAN-OS software.
2.1(2)
VERITAS Storage Foundation for Networks (VSFN) not supported
VSFN is not supported.
2.1(2)
Persistent FC IDs for IVR
Allows persistent FC IDs in an IVR configuration.
2.1(2)
SCSI flow services support for interfaces
Allows the configuration of SCSI flow services on groups of four interfaces as well as the entire module.
2.1(2)
Special characters in TACACS+ global secret keys
Allows the use of the dollar sign ($) and the percent sign (%) in TACACS+ secret global keys.
2.1(2)
Control for SNMP notifications for linkUp/linkDown traps
Allows the user to configure which linkUp/linkDown trap notifications to enable for interfaces.
2.1(2)
NASB storage array controller support
Allows the user to enable NASB for storage array controller devices.
2.1(2)
NASB target rediscovery
Allows NASB to rediscover a target device.
2.1(2)
Multiple LUNs for NASB
Allows up to 10 target LUNs for NASB.
2.1(2)
iSCSI duplicate WWN check
Allows users to check for potential WWN conflicts in the current configuration
2.1(2)
Inter-VSAN Routing (IVR) Network Address Translation (NAT)
Allows non-unique domain IDs in an IVR topology. This feature simplifies the deployment of IVR in an existing fabric.
2.1(1a)
IVR VSAN topology auto mode
Uses CFS configuration distribution in auto mode to learn the topology of the IVR-enabled switches in the network.
2.1(1a)
IVR service groups
Reduces the amount of traffic to non-IVR-enabled switches by restricting IVR-related traffic to the IVR-enabled switches.
2.1(1a)
Multiple autonomous fabric IDs (AF IDs) for IVR
Allows more that one VSAN in the network with the same VSAN ID.
2.1(1a)
IVR LUN zoning
Allows IVR to directly support LUN zoning.
2.1(1a)
IVZ QoS
Allows IVZ QoS to be configured separately from other zone attributes.
2.1(1a)
SANTap
Allows third-party data storage applications, such as long distance replication and continuous backup, to be integrated into the SAN.
2.1(1a)
Network-Accelerated Storage Backup (NSAB)
Supports server-free backups in the SAN.
2.1(1a)
Distributed configuration copy
Instructs the other switches in the fabric to save their configurations to their local NVRAM.
2.1(1a)
Enhanced IP compression auto mode
Allows auto mode option to use a combination of compression modes to effectively utilize the WAN bandwidth.
2.1(1a)
Zone, zone set, fcalias, and zone attribute set cloning
Allows cloning of a new zone, zone set, fcalias, or zone attribute set can be cloned from an existing zone, zone set, fcalias, or zone attribute set.
2.1(1a)
VSFN support on the SSM
Provides support for VSFN on the SSM.
2.1(1a)
File system support for log:
Allows the file system commands to support a new file system called log: for system message log files.
2.1(1a)
iSCSI enhancements
Includes the following iSCSI features:
•
•
•
2.1(1a)
Disable interface bit error rate thresholds
Allows the user to disable bit error rate threshold for a Fibre Channel interface.
2.1(1a)
Storage Services Module (SSM)
Provides 32 Fibre Channel ports for distributed Intelligent Storage Services and Fibre Channel switching.
2.0(2b)
"Configuring SCSI Flow Services and Statistics"
"Configuring Fibre Channel Write Acceleration"
Fibre Channel write acceleration
Provides support for Fibre Channel write acceleration on the Storage Services Module (SSM), which minimizes application latency or reduces transactions per second over long distances.
2.0(2b)
SCSI flow statistics
Collects statistics for SCSI flows.
FICON enhancements
Provides support for FICON on MPS-14/2 modules.
2.0(2b)
ELP enhancement
Provides FELP compliance with FC-SW-3.
2.0(2b)
14/2-port Multiprotocol Services (MPS-14/2) module
Provides 14 Fibre Channel ports and two Gigabit Ethernet ports, which allow the use of FCIP and iSCSI features.
2.0(1b)
Cisco MDS 9216i Switch
Provides one fixed integrated supervisor module with 14 Fibre Channel ports, 2 IP ports, and an expansion slot that supports up to 32 additional ports.
Cisco MDS 9216A Switch
Provides one fixed integrated supervisor module with 16 Fibre Channel ports and an expansion slot that supports up to 32 additional ports.
File system enhancements
Allows you to use the Tab key to complete schemes, servers, and file names available in the file system
2.0(1b)
Extended ping command
Provides additional options to verify the connectivity of a remote host or server.
Initial setup changes
Enhances the questions in the initial set up routine and the order in which they appear is enhanced to reflect the various changes in the Cisco SAN-OS Release 2.0(1b) software.
2.0(1b)
show inventory command
Displays information on the field replaceable units (FRUs) in the switch, including product IDs, serial numbers, and version IDs.
2.0(1b)
Cisco Fabric Services Infrastructure
Enables efficient database distribution and fosters device flexibility
2.0(1b)
Dynamic VSANs
Allows you to dynamically assign VSAN membership to ports based on the device WWN.
2.0(1b)
Graceful shutdown
Allows the Cisco SAN-OS software to implicitly perform a graceful shutdown if you shut down an interface operating in the E port mode or if a Cisco SAN-OS software application executes a port shutdown as part of its function.
2.0(1b)
Extended BB_credits
Allows you to configure up to 3,500 receive BB_credits on a Fibre Channel port to facilitate BB_credits for long haul links.
2.0(1b)
Small form-factor pluggable (SFP)
Replaces the term FCOT (Fibre Channel optical transmitter) with the term SFP in the Cisco SAN-OS software and in the documentation.
2.0(1b)
PortChannel
Includes a new mode (ACTIVE) and a new protocol (autocreation).
2.0(1b)
Zone-based QoS
Provides an additional segregation mechanism to configure the Quality of Service (QoS) priority as a zone attribute.
2.0(1b)
"Configuring and Managing Zones"
Enhanced zoning
Provides compliance with FC-GS-4 and FC-SW-3. Both standards support basic zoning and enhanced zoning functionalities.
Distributed Device Alias Services
Allows you to distribute device alias names on a fabric-wide basis.
2.0(1b)
Security
Network operator default.
2.0(1b)
"Configuring Users and Common Roles"
"Configuring RADIUS and TACACS+"
"Configuring IP Access Control Lists"
"Configuring IPsec Network Security"
"Configuring FC-SP and DHCHAP"
Administrator password must be configured.
Multiple roles support.
Advanced Encryption Standard usage.
Unified users and passwords.
The error-enabled command.
The snmp-server enable traps fcdomain command
Allows you to enable a specific SNMP trap (for example, fcdomain traps) notification.
2.0(1b)
RMON configuration
Allows CLI configuration of RMON alarms and events.
2.0(1b)
Multicast compliance
Allows interoperability with other vendor switches. The Cisco SAN-OS software uses the lowest domain switch as the root to compute the multicast tree in interop mode.
2.0(1b)
IP-ACL changes
Allows you to apply IP-ACLs to Gigabit Ethernet interfaces (IPS modules) and Ethernet PortChannel interfaces.
2.0(1b)
IP storage
Tape acceleration.
2.0(1b)
iSNS server.
Mutual CHAP authentication.
FCIP compression enhancements.
Other changes (defaults).
AAA accounting log
Deprecates the aaa accounting logsize command. The default size of the accounting log is increased to 250,000 bytes and cannot be changed.
2.0(1b)
IP Security (IPsec)
Provides security services at the IP layer, including protecting one or more data flows between a pair of hosts, between a pair of security gateways, or between a security gateway and a host.
2.0(1b)
Internet Key Exchange (IKE)
Allows IPsec to use the IKE protocol to handle protocol and algorithm negotiation and to generate the encryption and authentication keys to be used by IPsec.
Call Home enhancements
Provides message throttling capabilities, periodic inventory messages, port syslog messages, and RMON alert messages.
2.0(1b)
Port tracking
Uses information about the operational state of the link to initiate a failure in the link that connects edge device. This feature is unique to the Cisco MDS 9000 Family.
2.0(1b)
SAN extension (SET) tuner
Helps you optimize FCIP performance by generating SCSI I/O commands and directing such traffic to a specific virtual target. This feature is unique to the Cisco MDS 9000 Family.
2.0(1b)
Command Scheduler
Helps you schedule configuration and maintenance jobs in any switch in the Cisco MDS 9000 Family.
2.0(1b)
WWN changes
Uses WWNs during link initialization by the Exchange Link Protocol (ELP) and the Exchange Fabric Protocol (EFP).
2.0(1b)
FC ID changes
Conserves the number of FC IDs used with a special FC ID allocation scheme used by Cisco MDS 9000 Family switches.
Enables the persistent Fibre Channel ID (FC ID) feature is enabled by default.
"Configuring Domain Parameters"
Storing the last core to flash
Saves the last core dump (service core) automatically to the Flash memory in the /mnt/pss/ partition before the switchover or reboot occurs.
2.0(1b)
