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HP 6125XLG R2306-HP 6125XLG Blade Switch FCoE Configuration Guide - Page 94

Configuring uplink interfaces, Configuring downlink-to-uplink interface mappings

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Configuring uplink interfaces Uplink interfaces must be VFC interfaces in NP mode. To configure an uplink interface: Step 1. Enter system view. 2. Enter VFC interface view. 3. Configure the VFC interface to operate in NP mode. Command system-view interface vfc interface-number fc mode np Remarks N/A This interface is connected to the core switch. By default, a VFC interface on an NPV switch operates in F mode. Configuring downlink interfaces Downlink interfaces must be VFC interfaces in F mode. To configure a downlink interface: Step 1. Enter system view. 2. Enter VFC interface view. 3. Configure the VFC interface to operate in F mode. Command system-view interface vfc interface-number fc mode f Remarks N/A This interface is connected to a node. By default, a VFC interface on an NPV switch operates in F mode. Configuring downlink-to-uplink interface mappings CAUTION: If an uplink interface mapped by a downlink interface is not in the configured mappings, the switch initializes the downlink interface, resulting in traffic interruption. NPV switches automatically map downlink interfaces to uplink interfaces. When automatic mapping cannot meet requirements, for example, when a downlink interface must be connected to a fabric through a specified uplink interface, you can manually map the downlink interface to a specified uplink interface or a set of uplink interfaces. After you configure the mapping, the downlink interface can be mapped to only the configured uplink interfaces. If none of the configured uplink interfaces is operational, the downlink interface cannot be operational. A configured mapping selects the uplink interface with the minimum load from configured uplink interfaces and then maps the downlink interface to it. To configure uplink and downlink mapping: 88

Section	Page
Title Page	1
Contents	3
FCoE overview	7
Storage area network	7
FC SAN	7
FC protocol	8
Basic concepts	8
WWN	8
FC address	8
Port modes	9
Communication flow	9
VSAN	10
FC zone	10
FCoE	11
Basic concepts	11
VFC interface and VN interface	12
FIP protocol	12
FCoE frames	12
How FCoE works	13
Procedure for receiving and sending FC frames over Ethernet	13
How FIP works	13
FCoE modes	14
FCF mode	15
NPV mode	15
Protocols and standards	16
Configuring an FCoE mode	17
FCoE features supported in different FCoE modes	17
Configuration procedure	17
Configuring VFC interfaces and FIP	19
VFC interfaces and FIP configuration task list	19
Configuring a VFC interface	19
Enabling FCoE for a VLAN and mapping a VSAN to the VLAN	20
Configuration restrictions and guidelines	20
Configuration procedure	20
Configuring the FC-MAP value	21
Configuring the FKA advertisement period value	21
Configuring the FCF priority	22
Configuring the system FCF priority	22
Configuring the VFC interface FCF priority	22
Displaying and maintaining VFC interfaces and FIP	22
VFC interfaces and FIP configuration example	23
Network requirements	23
Configuration procedure	23
Setting up a fabric	27
Overview	27
Principal switch selection	27
Domain ID assignment	28
FC address assignment	29
Fabric setup configuration task list	29
Building a fabric statically	29
Building a fabric dynamically	30
Enabling or disabling the fabric configuration function	30
Setting a fabric name	31
Setting the switch priority	31
Configuring the allowed domain ID list	32
Configuring a domain ID for a switch	32
Configuring the mapping between the N_Port WWN and the FC address	33
Configuring the fabric timers	33
Configuring the fabric timers in system view	34
Configuring the fabric timers in VSAN view	34
Configuring the fabric reconfiguration	34
Configuring the auto fabric reconfiguration function	35
Manually initiating the fabric reconfiguration	35
Configuring a VFC interface to reject incoming RCF requests	35
Configuring and obtaining FC4 information of nodes	36
Enabling auto discovery of SCSI-FCP information	36
Configuring the default FC4 information for a node	37
Displaying and maintaining a fabric	37
Static fabric building configuration example	38
Network requirements	38
Configuration procedure	38
Verifying the configurations	42
Dynamic fabric building configuration example	43
Network requirements	43
Configuration procedure	44
Verifying the configurations	51
Configuring VSAN	53
VSAN fundamentals	53
Trunk VSAN in an FC network	53
Trunk VSAN in an FCoE network	53
Creating a VSAN	54
Configuring a trunk VSAN	54
Displaying and maintaining VSAN	54
VSAN configuration example	54
Network requirements	54
Configuration considerations	55
Configuration procedure	55
Verifying the configurations	58
Configuring FC routing and forwarding	60
Overview	60
Routing table and FIB table	60
Routing table contents	60
FIB table contents	61
Direct routes	61
Static routes	62
FSPF routes	62
Basic concepts	62
FSPF packet types	63
How FSPF works	63
Configuring static routes for FC	63
Configuration restrictions and guidelines	63
Configuration procedure	64
Configuring FSPF	64
FSPF configuration task list	64
Enabling FSPF	64
Configuring the shortest SPF calculation interval	65
Configuring the minimum LSR receiving interval	65
Configuring the minimum LSR refresh interval	65
Configuring the FSPF cost for an interface	66
Configuring the hello interval for an interface	66
Configuring the dead interval for an interface	66
Configuring the LSR retransmission interval for interfaces	67
Disabling FSPF for an interface	67
Configuring FSPF GR	68
Configuring the GR restarter	68
Configuring the GR helper	68
Displaying and maintaining FC routing and forwarding	68
Static FC routing configuration example	69
Network requirements	69
Configuration procedure	69
Verifying the configurations	72
FSPF configuration example	73
Network requirements	73
Configuration procedure	73
Verifying the configurations	75
Configuring FC zones	77
Overview	77
Zone database	77
Zone database structure	77
Active zone set	78
Default zone	79
Distributing zones	79
Methods of triggering a distribution	79
Zone distribution process	79
Zone merge	81
Zone merge process	81
Zone merge rules	83
Access control	83
FC zone configuration task list	83
Configuring zone aliases	84
Configuring zones	84
Configuring zone sets	85
Configuring the default zone policy	85
Configuring zone distribution and merge types	85
Activating a zone set and distributing it to the entire fabric	86
Triggering a complete distribution	86
Renaming zone aliases, zones, and zone sets	87
Copying zone aliases, zones, and zone sets	87
Deleting the zone database	88
Displaying and maintaining FC zones	88
FC zone configuration example	88
Network requirements	88
Configuration considerations	89
Configuration procedure	89
Verifying the configurations	90
Configuring NPV	92
Overview	92
Downlink interface and downlink	92
Uplink interface and uplink	92
Downlink-to-uplink interface mappings	93
Disruptive load balancing	93
NPV configuration task list	93
Configuring uplink interfaces and downlink interfaces	93
Configuring uplink interfaces	94
Configuring downlink interfaces	94
Configuring downlink-to-uplink interface mappings	94
Initiating a disruptive load-balancing process	95
Displaying and maintaining NPV	95
NPV configuration example	95
Network requirements	95
Configuration procedure	96
Configuring Switch A	96
Configuring Switch B	99
Verifying the configurations	99
Configuring FC ping	101
Overview	101
Configuration procedure	101
FC ping configuration example	101
Network requirements	101
Configuration procedure	102
Verifying the configurations	103
Configuring FC tracert	105
Overview	105
Configuration procedure	106
FC tracert configuration example	106
Network requirements	106
Configuration procedure	106
Appendixes	111
Appendix A Fabric address assignment	111
Appendix B Well-known fabric addresses	111
Support and other resources	113
Contacting HP	113
Subscription service	113
Related information	113
Documents	113
Websites	113
Conventions	114
Command conventions	114
GUI conventions	114
Symbols	114
Network topology icons	115
Port numbering in examples	115