Dell PowerEdge XL 5133-4 Dell PowerEdge FTOS Command Line Reference Guide for - Page 10

DCB Support, FCoE Connectivity, iSCSI Operation

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www.dell.com | support.dell.com • Fibre Channel over Ethernet (FCoE) connectivity • FCoE Initiation Protocol (FIP) snooping • Hybrid ports: Ports are administratively up and auto-configured to operate as hybrid ports to transmit tagged and untagged VLAN traffic. • iSCSI optimization • IGMP snooping • Jumbo frames: Ports are set to a maximum MTU of 12,000 bytes by default. • Link aggregation: All uplink ports are configured in a single LAG (LAG 128). • Link Layer Discovery Protocol (LLDP): Enabled on all ports. • Link tracking: Enables server-facing links to be brought up only if the uplink port-channel (LAG 128) is up. • Stacking: Stacking is supported only on the 40GbE ports on the base module. A single stack is limited to two Aggregators in the same chassis. Up to three stacks are supported in an M1000e chassis. To configure a switch stack, you must use the CLI. For more information, refer to Chapter 21, Stacking Commands. DCB Support DCB enhancements for data center networks are supported to eliminate packet loss and provision links with required bandwidth. The Aggregator provides zero-touch configuration for DCB. The Aggregator auto-configures DCBX port roles to match the DCBX configuration in the ToR switches to which it connects through its uplink ports. The Aggregator supports DCB only in standalone mode and not in the stacking mode. FCoE Connectivity Many data centers use Fibre Channel (FC) in storage area networks (SANs). Fibre Channel over Ethernet (FCoE) encapsulates Fibre Channel frames over Ethernet networks. On an Aggregator, the internal ports support FCoE connectivity and connect to the converged network adapter (CNA) in blade servers. FCoE allows Fibre Channel to use 10-Gigabit Ethernet networks while preserving the Fibre Channel protocol. The Aggregator also provides zero-touch configuration for FCoE configuration. The Aggregator auto-configures to match the FCoE settings used in the ToR switches to which it connects through its uplink ports. iSCSI Operation Support for iSCSI traffic is turned on by default when the Aggregator powers up. No configuration is required. When the Aggregator powers up, it monitors known TCP ports for iSCSI storage devices on all interfaces. When a session is detected, an entry is created and monitored as long as the session is active. 8 | Before You Start

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8
|
Before You Start
www.dell.com | support.dell.com
•
Fibre Channel over Ethernet (FCoE) connectivity
•
FCoE Initiation Protocol (FIP) snooping
•
Hybrid ports: Ports are administratively up and auto-configured to operate as hybrid ports to
transmit tagged and untagged VLAN traffic.
•
iSCSI optimization
•
IGMP snooping
•
Jumbo frames: Ports are set to a maximum MTU of 12,000 bytes by default.
•
Link aggregation: All uplink ports are configured in a single LAG (LAG 128).
•
Link Layer Discovery Protocol (LLDP): Enabled on all ports.
•
Link tracking: Enables server-facing links to be brought up only if the uplink port-channel (LAG
128) is up.
•
Stacking: Stacking is supported only on the 40GbE ports on the base module. A single stack is
limited to two Aggregators in the same chassis. Up to three stacks are supported in an M1000e
chassis. To configure a switch stack, you must use the CLI. For more information, refer to
Chapter 21, Stacking Commands
.
DCB Support
DCB enhancements for data center networks are supported to eliminate packet loss and provision links
with required bandwidth.
The Aggregator provides zero-touch configuration for DCB. The Aggregator auto-configures DCBX
port roles to match the DCBX configuration in the ToR switches to which it connects through its uplink
ports.
The Aggregator supports DCB only in standalone mode and not in the stacking mode.
FCoE Connectivity
Many data centers use Fibre Channel (FC) in storage area networks (SANs). Fibre Channel over
Ethernet (FCoE) encapsulates Fibre Channel frames over Ethernet networks.
On an Aggregator, the internal ports support FCoE connectivity and connect to the converged network
adapter (CNA) in blade servers. FCoE allows Fibre Channel to use 10-Gigabit Ethernet networks while
preserving the Fibre Channel protocol.
The Aggregator also provides zero-touch configuration for FCoE configuration. The Aggregator
auto-configures to match the FCoE settings used in the ToR switches to which it connects through its
uplink ports.
iSCSI Operation
Support for iSCSI traffic is turned on by default when the Aggregator powers up. No configuration is
required.
When the Aggregator powers up, it monitors known TCP ports for iSCSI storage devices on all
interfaces. When a session is detected, an entry is created and monitored as long as the session is
active.