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| Title | Size | Download |
|---|---|---|
| 11-DPSH commands | 84.77 KB |
DPSH commands
display dpsh statistics
Use diplay dpsh statistics to display DPSH statistics.
Syntax
display dpsh statistics [ slot slot-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
slot slot-number: Specifies a device by its member ID, which is fixed at 1.
Examples
# Display DPSH statistics.
<Sysname> display dpsh statistics
------------------------MSG Statistics--------------------------
MSG Statistics:
UpgradeStat : 0 ReceivedStat : 4
SyncProcStat : 4 RefreshSyncStat : 0
ComQueMsgStat : 0 SyncPullStat : 2
Error Statistics :
WriteCommonQueErr : 0 AllocSyncMsgErr : 0
ActiveMixObjErr : 0 CreateUnicastErr : 0
UnicastAddEpollErr : 0 MbufLenErr : 0
MbufContinueErr : 0 NotEntirelyMsgErr : 0
TypeErr : 0 MsgSyncProcErr : 0
MsgSyncPullErr : 0 MsgSyncPullParamErr : 0
MsgSyncPullNoMem : 0
------------------------AGE Statistics--------------------------
AGE Statistics :
SmoothStartCount : 1 SmoothEndCount : 1
TimerProcCount : 0 AgeOverCount : 0
------------------------TOPO Statistics--------------------------
TOPO Statistics :
TotalNum : 0 AddTopoMsgCount : 0
DelTopoMsgCount : 0 AgeTopoNum : 0
Error Statistics :
AddErr : 0 AddNodeErr : 0
DelNodeErr : 0
------------------------Global CFG Statistics--------------------------
CFG Statistics :
ModeAddMsg : 1 ModeDelMsg : 0
AnyCastMacAdd : 1 AnyCastMacDel : 0
Error Statistics :
DecodeModeErr : 0 DecodeAnycastMacErr : 0
RefreshDrvModeErr : 0
CfgAllocReplyMsgErr : 0 CfgEncReplyMsgErr : 0
CfgSendReplyMsgErr : 0
------------------------DRV Statistics--------------------------
TOPO Statistics :
DrvTopoAdd : 0 DrvTopoDel : 0
DrvAnyCastMacAdd : 1 DrvAnyCastMacDel : 0
DrvRefreshTopo : 0
Error Statistics :
DrvTopoAddRetErr : 0 DrvTopoDelRetErr : 0
DrvAnyCastAddRetErr : 0 DrvAnyCastDelRetErr : 0
DrvRefreshTopoErr : 0 DrvAllocAvlErr : 0
DrvInsertAvlErr : 0
Table 1 Command output
|
Field |
Description |
|
MSG Statistics |
Message statistics data. |
|
UpgradeStat |
Number of backup-to-primary upgrade messages. |
|
ReceivedStat |
Number of received messages. |
|
SyncProcStat |
Number of sync processing messages. |
|
RefreshSyncStat |
Number of refresh sync messages. |
|
ComQueMsgStat |
Number of common queue messages. |
|
SyncPullStat |
Number of sync pull messages. |
|
Error Statistics |
Error data. |
|
WriteCommonQueErr |
Number of common queue write errors. |
|
AllocSyncMsgErr |
Number of sync message application errors. |
|
ActiveMixObjErr |
Number of mixed queue upgrade errors. |
|
CreateUnicastErr |
Number of global well-known port creation errors. |
|
UnicastAddEpollErr |
Number of errors for adding the global well-known ports to Epoll. |
|
MbufLenErr |
Number of memory buffer length errors. |
|
MbufContinueErr |
Number of memory buffer discontinuous message errors. |
|
NotEntirelyMsgErr |
Number of incomplete error messages. |
|
TypeErr |
Number of type errors. |
|
MsgSyncProcErr |
Number of message sync processing errors. |
|
MsgSyncPullErr |
Number of message sync pull errors. |
|
MsgSyncPullParamErr |
Number of message sync pull parameter errors. |
|
MsgSyncPullNoMem |
Number of no memory errors for message sync. |
|
AGE Statistics |
Entry age statistics data. |
|
SmoothStartCount |
Number of smooth starts. |
|
SmoothEndCount |
Number of smooth ends. |
|
TimerProcCount |
Number of aging timer expirations. |
|
AgeOverCount |
Number of aged network topology entries. |
|
TOPO Statistics |
Topology statistics data. |
|
TotalNum |
Total number of topology messages. |
|
AddTopoMsgCount |
Number of topology message additions. |
|
DelTopoMsgCount |
Number of topology message deletions. |
|
AgeTopoNum |
Number of topology message ageouts. |
|
AddErr |
Number of addition failures. |
|
AddNodeErr |
Number of node addition errors. |
|
DelNodeErr |
Number of node deletion errors. |
|
Global CFG Statistics |
Global configuration statistics data. |
|
CFG Statistics |
Configuration statistics data. |
|
ModeAddMsg |
Number of mode addition messages. |
|
ModeDelMsg |
Number of mode deletion messages. |
|
AnyCastMacAdd |
Number of anycast MAC address additions. |
|
AnyCastMacDel |
Number of anycast MAC address deletions. |
|
DecodeModeErr |
Number of mode decoding errors. |
|
DecodeAnycastMacErr |
Number of anycast MAC address decoding errors. |
|
RefreshDrvModeErr |
Number of driver mode refresh errors. |
|
CfgAllocReplyMsgErr |
Number of configuration application reply message errors. |
|
CfgEncReplyMsgErr |
Number of configuration encoding reply message errors. |
|
CfgSendReplyMsgErr |
Number of configuration sending reply message errors. |
|
DRV Statistics |
Driver statistics data. |
|
DrvTopoAdd |
Number of network topology entries issued to the driver. |
|
DrvTopoDel |
Number of deleted network topology entries issued to the driver. |
|
DrvAnycastMacAdd |
Number of anycast MAC addresses issued to the driver. |
|
DrvAnycastMacDel |
Number of deleted anycast MAC addresses issued to the driver. |
|
DrvRefreshTopo |
Number of network topology entries refreshed and issued to the driver. |
|
DrvTopoAddRetErr |
Number of failures to issue network topology entries added to the driver. |
|
DrvTopoDelRetErr |
Number of failures to delete network topology entries issued to the driver. |
|
DrvAnycastAddRetErr |
Number of failures to issue anycast MAC addresses to the driver. |
|
DrvAnycastDelRetErr |
Number of failures to delete anycast MAC addresses issued to the driver. |
|
DrvRefreshTopoErr |
Number of failures to refresh network topology entries and reissue them to the driver. |
|
DrvAllocAvlErr |
Number of AVL node application errors. |
|
DrvInsertAvlErr |
Number of AVL node insertion errors. |
display dpsh topology
Use diplay dpsh topology to display network topology entries generated by DPSH.
Syntax
display dpsh topology [ interface interface-type interface-number | issued | refreshed ] [ slot slot-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies network topology entries of an interface.
issued: Specifies network topology entries that have been issued to the driver.
refreshed: Specifies network topology entries that failed to be issued, which must be refreshed and then issued to the driver again.
slot slot-number: Specifies a device by its ID, which is fixed at 1.
Usage guidelines
After you enable DPSH, the device collects network topology information and generates network topology entries to plan packet forwarding paths.
If network topology entries fail to be issued due to insufficient hardware resources, you can refresh the entries and then issue them to the driver again.
Examples
# Display the network topology entries generated by DPSH.
<Sysname> display dpsh topology
Flag: I–Issued R-Refreshed
Local role: leaf Flag: R
Local interface Remote MAC address Remote role Flag
HGE1/1/1 1-1-1 spine I
HGE1/1/2 2-2-2 spine R
Table 2 Command output
|
Field |
Description |
|
Local role |
Local device role. |
|
Local interface |
Name of the local interface connecting the local device to the remote device. |
|
Remote MAC address |
MAC address of the remote interface on the remote device connected to the local device. |
|
Remote role |
Remote device role. |
|
Flag |
Network topology entry type: · I—Issued. The network topology entry has been issued. · R—Refreshed. The network topology entry must be refreshed and issued again. |
dpsh anycast-mac
Use dpsh anycast-mac to configure the anycast MAC address.
Use undo dpsh anycast-mac to remove the configuration.
Syntax
dpsh anycast-mac mac-address
undo dpsh anycast-mac
Default
No anycast MAC address is configured for the device.
Views
System view
Predefined user roles
network-admin
Parameters
mac-address: Specifies an anycast MAC address in the H-H-H format.
Usage guidelines
Application scenarios
To implement link backup and ensure data forwarding continuity and reliability, all spine and leaf devices share a single anycast MAC address. When a forwarding link between spine and leaf devices fails, packets will be redirected to another spine or leaf device that uses the same anycast MAC address. This prevents data forwarding interruption upon link failures, enhancing network robustness and service continuity.
Restrictions and guidelines
The anycast MAC address cannot be the MAC address of any device in the spine-leaf network.
Examples
# Configure an anycast MAC address.
<Sysname> system-view
[Sysname] dpsh anycast-mac 1-1-1
dpsh enable
Use dpsh enable to enable DPSH.
Use undo dpsh enable to disable DPSH.
Syntax
dpsh enable { common | ecmp }
undo dpsh enable
Default
DPSH is disabled.
Views
System view
Predefined user roles
network-admin
Parameters
common: Specifies the common DPSH mode.
ecmp: Specifies the ECMP DPSH mode.
Usage guidelines
Application scenarios
When a link fault occurs, the traditional method relies on the dynamic routing protocol on the control plane to implement fault convergence and recompute forwarding paths. This process typically takes milliseconds, which cannot meet the stringent high availability requirements of AI computing or high-performance storage services.
Operating mechanism
DPSH implements rapid fault detection, transmission, and processing through the data plane, which enhances fault convergence performance to sub-millisecond levels and ensures network reliability and stability.
DPSH supports the following modes:
· Common mode—When a device detects that the link with a neighbor device fails, if a backup link exists, the device can immediately switch traffic to the associated path and forward it to the destination through another neighbor device, which avoids high latency issues. The common mode is suitable for networking architectures where the backup and faulty interfaces are connected to different neighbor devices.
· ECMP mode—When multiple ECMP links exist between the local and neighbor devices, if one link fails, traffic can immediately switch over to another link, which ensures data transmission recovery within a very short period of time. The ECMP mode is suitable for networking architectures where the backup and faulty interfaces are connected to the same neighbor device.
Restrictions and guidelines
In the current software version, DPSH is applicable only to the standard spine-leaf networking of a VCF fabric. For more information about VCF fabric, see VCF fabric configuration in Network Management and Monitoring Configuration Guide.
Examples
# Enable common-mode DPSH.
<Sysname> system-view
[Sysname] dpsh enable common