H3c-technologies H3C Intelligent Management Center User Manual Page 37
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Table 5 shows the DCBX parameters required on FCoE switches and application of these parameters on
the CNAs.
Table 5 DCBX parameters
DCBX
p
arameters on switches A
pp
lication of these
p
arameters on the CNAs
Enable LLDP.
Enable LLDP both globally and on an interface, and
enable the interface to advertise DCBX TLVs.
The switch distributes APP, ETS, and PFC parameter
values to attached servers and storage devices.
APP parameters.
The switch resets the 802.1p priority of received FCoE
and FIP frames to its expected value.
After successful negotiation, the server and storage
device include the 802.1p priority expected by the
switch in outgoing FCoE and FIP frames.
ETS parameters.
The switch maps the 802.1p priority of FCoE and FIP
frames to a local precedence value. Then, it assigns
the two types of frames received on the interface to a
WRR queue based on the local precedence value. The
WRR queue is subject to the configured minimum
guaranteed bandwidth.
After successful negotiation, the server and storage
device send FCoE and FIP frames at a rate no more
than the committed bandwidth of the interface. This
prevents packet loss due to congestion.
PFC parameters.
The switch enables PFC for a specific 802.1p priority
of FCoE and FIP frames on the interface connecting to
a server. The switch can thus notify the server to slow
down transmission when congestion occurs.
After successful negotiation, the server and storage
device enable PFC for the same 802.1p priority.
VFM automatically configure some of the DCBX parameters, so operators need to configure only the
following parameters:
• ACLs for matching FCoE and FIP frames and for resetting the 802.1p priority of these frames, class
name, behavior name, and QoS policy name.
• 802.1p priority expected by the switch.
• Local precedence mapped by the 802.1p priority.
• Guaranteed bandwidth for ETS.
• WRR queuing type.
By default, default DCBX parameters are used on all FCoE switches in VFM and their interfaces.
To configure default DCBX parameters:
1. Click the Service tab.
2. From the navigation tree, select VAN Fabric Manager > SAN Configuration > Default DCBX
Params.
3. Click the Advanced Configuration link to configure the following parameters:
{ 802.1p Priority—Enter the 802.1p priority reset for FCoE and FIP frames.
{ Local Precedence—Enter the local precedence to which the 802.1p priority is mapped. A local
precedence value corresponds to a WRR queue number.
{ Guaranteed Bandwidth for ETS—Select a percentage of the interface bandwidth consumed by
FCoE and FIP frames. The greater the percentage value, the greater scheduling weight the
WRR queue has.
- Preface 3
- Obtaining documentation 5
- Technical support 5
- Documentation feedback 5
- Contents 6
- 1 VFM overview 10
- DC Management 11
- SAN Configuration 11
- LAN Configuration 11
- Statistics 11
- Managing an SAN 12
- Managing a TRILL network 13
- Managing an SPBN 13
- Managing an EVI network 14
- Navigation menu 15
- Common operations 16
- Selecting devices 18
- Viewing the SAN device view 21
- Viewing the Fabric view 21
- Viewing the LAN topology 22
- 5 Managing DCs 26
- Viewing devices in a DC 27
- Adding a DC 27
- Modifying a DC 27
- Deleting a DC 27
- Locating a VM by MAC address 27
- Managing network devices 29
- Importing a network device 30
- Deleting a network device 30
- Managing servers 31
- Importing a server 32
- Deleting a server 32
- Managing storage devices 33
- Importing a storage device 34
- Deleting a storage device 35
- 6 Managing SANs 36
- VSAN auto discovery 38
- Fabric management 38
- Managing fabrics 39
- Viewing the fabric list 40
- Querying fabrics 41
- Viewing fabric details 41
- Adding a fabric 41
- Managing FCoE switches 42
- Querying FCoE switches 43
- Viewing FCoE switch details 44
- Importing FCoE switches 45
- Synchronizing FCoE switches 45
- Deleting FCoE switches 46
- Viewing CEE interfaces 47
- Querying CEE interfaces 48
- Synchronizing CEE interfaces 48
- Viewing VFC interfaces 50
- Querying VFC interfaces 51
- Adding a VFC interface 52
- Modifying a VFC interface 53
- Deleting VFC interfaces 53
- Synchronizing VFC interfaces 53
- Viewing PWWN information 56
- Viewing the storage list 59
- Querying storage devices 59
- Managing VSANs 60
- Querying VSANs 61
- Viewing VSAN details 61
- Adding a VSAN 61
- Deleting VSANs 62
- Synchronizing VSANs 62
- Adding VFC interfaces 64
- Zone database 65
- Active zone set 67
- To view zone sets: 70
- To query zone sets: 70
- To add a zone set: 70
- To activate a zone set: 70
- To modify a zone set: 71
- To copy a zone set: 71
- To delete zone sets: 71
- To add zones to a zone set: 72
- To view the active zone set: 73
- To view zones: 73
- To delete zone members: 75
- To view zone members: 77
- To query zone members: 78
- Managing FC ping tasks 79
- Querying FC ping tasks 80
- Viewing FC ping task results 80
- Adding an FC ping task 81
- Modifying an FC ping task 81
- Managing FC tracert tasks 82
- Querying FC tracert tasks 83
- Viewing FC tracert results 83
- Setting FC ping thresholds 84
- SAN fast configuration 85
- { Global Configuration 86
- { Zone list contents 86
- { Device list contents 86
- { Interface list contents 86
- 7 Managing TRILL 88
- Managing RBs 89
- Querying RBs 90
- Importing RBs 90
- Synchronizing RBs 91
- Deleting RBs 91
- 8 Managing SPB 95
- Managing SPB devices 97
- Viewing SPBM configuration 99
- Importing devices 100
- Removing devices 101
- Managing interfaces 102
- Querying interfaces 103
- Viewing interface details 103
- Creating a B-VLAN plan 104
- Viewing the B-VLAN plan 105
- { B-VLAN ID—B-VLAN ID 107
- Managing SPB services 108
- Querying SPB services 109
- Adding SPB services 110
- Modifying an SPB service 113
- Deleting SPB services 114
- Deploying SPB services 114
- Undeploying SPB services 114
- Auditing SPB services 115
- Performing ECT migration 116
- Monitoring ACs 117
- Viewing AC details 118
- Changing customer site names 119
- 9 Managing EVI 120
- Deployment procedure summary 121
- Maintenance task summary 121
- Managing EVI edge devices 122
- Querying devices 123
- Viewing device details 123
- Querying EVI settings 127
- ENDS Optional N/A 128
- ENDC Required Optional 128
- Viewing remote MAC addresses 129
- Viewing EVI IS-IS settings 130
- Monitoring traffic size 131
- Modifying the site ID 131
- Managing EVI services 132
- Querying EVI services 134
- Adding an EVI service 134
- Configuring DCs 135
- Configuring edge devices 135
- Modifying an EVI service 136
- Deleting EVI services 137
- Deploying EVI services 137
- Undeploying EVI services 138
- Auditing EVI services 138
- Managing EVI links 139
- Querying EVI links 140
- Viewing EVI link delay 140
- Managing LAN topologies 141
- Managing an EVI topology 142
- Expanding/Collapsing a DC 143
- Viewing DC details 143
- Adding a link 143
- Removing a link 143
- Managing an SPB topology 144
- Managing a TRILL topology 145
- Managing a SAN topology 146
- Managing a VSAN view 147
- Managing a zone view 147
- Adding a zone set 148
- Modifying a zone set 148
- Copying a zone set 148
- Deleting a zone set 148
- Managing a zone 149
- Adding a zone alias 150
- Modifying a zone alias 150
- Copying a zone alias 150
- Deleting a zone alias 151
- 11 Monitoring and auditing 152
- Replaying a migration 154
- 12 Acronyms and terms 156
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