Provides CLI commands and sample output for checking DRE optimization status, auto-bypass, statistics, decryption, peer synchronization, and cache operations.
Use the following CLI commands and sample output to check DRE optimization status, statistics, decryption, peer synchronization, and cache behavior.
DRE optimization status
The following is a sample output of the show sdwan appqoe dreopt status command:
Device# show sdwan appqoe dreopt status
DRE ID : 52:54:dd:d0:e2:8d-0176814f0f66-93e0830d
DRE uptime : 18:27:43
Health status : GREEN
Health status change reason : None
Last health status change time : 18:25:29
Last health status notification sent time : 1 second
DRE cache status : Active
Disk cache usage : 91%
Disk latency : 16 ms
Active alarms:
None
Configuration:
Profile type : Default
Maximum connections : 750
Maximum fanout : 35
Disk size : 400 GB
Memory size : 4096 MB
CPU cores : 1
Disk encryption : ON To view the status in more detail, use the show sdwan appqoe dreopt statistics detail command.
Device# show sdwan appqoe dreopt statistics detail
Total connections : 325071
Max concurrent connections : 704
Current active connections : 0
Total connection resets : 297319
Total original bytes : 6280 GB
Total optimized bytes : 2831 GB
Overall reduction ratio : 54%
Disk size used : 93%
Cache details:
Cache status : Active
Cache Size : 406573 MB
Cache used : 93%
Oldest data in cache : 17:13:53:40
Replaced(last hour): size : 0 MB
Cache created at : 27:14:13:43
Evicted cache in loading cache : 149610430464
Connection reset reasons:
Socket write failures : 0
Socket read failures : 0
DRE decode failures : 0
DRE encode failures : 0
Connection init failures : 0
WAN unexpected close : 297319
Buffer allocation or manipulation failed : 0
Peer received reset from end host : 0
DRE connection state out of sync : 0
Memory allocation failed for buffer heads : 0
Other reasons : 0
Connection Statistics:
Alloc : 325071
Free : 325071
Overall EBP stats:
Data EBP received : 1921181978
Data EBP freed : 1921181978
Data EBP allocated : 218881701
Data EBP sent : 218881701
Data EBP send failed : 0
Data EBP no flow context : 0
Data EBP requested more than max size : 46714730 DRE auto-bypass status
The following example shows the auto-bypass status of DRE optimization.
To view the DRE auto-bypass status, use the show sdwan appqoe dreopt auto-bypass command.
Device# show sdwan appqoe dreopt auto-bypass
Server IP Port State DRE LAN BYTES DRE WAN BYTES DRE COMP Last Update Entry Age
----------------------------------------------------------------------------------------------------------
10.0.0.1 9088 Monitor 48887002724 49401300299 0.000000 13:41:51 03:08:53 DRE optimization statistics
The following example shows DRE optimization statistics.
To view DRE optimization statistics, use the show sdwan appqoe dreopt statistics command.
Device# show sdwan appqoe dreopt statistics
Total connections : 3714
Max concurrent connections : 552
Current active connections : 0
Total connection resets : 1081
Total original bytes : 360 GB
Total optimized bytes : 164 GB
Overall reduction ratio : 54%
Disk size used : 91%
Cache details:
Cache status : Active
Cache Size : 407098 MB
Cache used : 91%
Oldest data in cache : 03:02:07:55
Replaced(last hour): size : 0 MB The following example shows DRE optimization statistics for a peer device.
To view DRE optimization statistics for a peer device, use the show sdwan appqoe dreopt statistics peer command.
Device# show sdwan appqoe dreopt statistics peer
Peer No. System IP Hostname Active connections Cummulative connections
----------------------------------------------------------------------------------------
0 209.165.201.1 dreopt 0 3714 DRE decryption status
The following example shows how to send a decryption request to DRE and verify if the request was successfully received.
To view DRE decryption status, use the show sdwan appqoe dreopt crypt command.
Device# show sdwan appqoe dreopt crypt
Status: Success
Atempts: 1
1611503718:312238 DECRYPT REQ SENT
1611503718:318198 CRYPT SUCCESS
ENCRYPTION:
---------------------------------------------------
BLK NAME : No of Oper | Success | Failure
---------------------------------------------------
SIGNATURE BLOCK | 210404 210404 0
SEGMENT BLOCK | 789411 789411 0
SECTION BLOCKS | 49363 49363 0
---------------------------------------------------
DECRYPTION:
---------------------------------------------------
BLK NAME : No of Oper | Success | Failure
---------------------------------------------------
SIGNATURE BLOCK | 188616 188616 0
SEGMENT BLOCK | 1 1 0
SECTION BLOCKS | 366342 366342 0
--------------------------------------------------- DRE troubleshooting
The following sample output displays the statistics for the auto discovery of peer devices. When connections are not optimized by DRE, run this command and share the output with Cisco Technical Support.
To view auto-discovery statistics, run the show sdwan appqoe ad-statistics command.
Device# show sdwan appqoe ad-statistics
==========================================================
Auto-Discovery Statistics
==========================================================
Auto-Discovery Option Length Mismatch : 0
Auto-Discovery Option Version Mismatch : 0
Tcp Option Length Mismatch : 6
AD Role set to NONE : 0
[Edge] AD Negotiation Start : 96771
[Edge] AD Negotiation Done : 93711
[Edge] Rcvd SYN-ACK w/o AD options : 0
[Edge] AOIM sync Needed : 99
[Core] AD Negotiation Start : 10375
[Core] AD Negotiation Done : 10329
[Core] Rcvd ACK w/o AD options : 0
[Core] AOIM sync Needed : 0 The following sample output displays the statistics for one time exchange of information between peer devices.
To view AOIM statistics, use the show sdwan appqoe aoim-statistics command.
Device# show sdwan appqoe aoim-statistics
==========================================================
AOIM Statistics
==========================================================
Total Number Of Peer Syncs : 1
Current Number Of Peer Syncs in Progress : 0
Number Of Peer Re-Syncs Needed : 1
Total Passthrough Connections Due to Peer Version Mismatch : 0
AOIM DB Size (Bytes): 4194304
LOCAL AO Statistics
----------------------------------------
Number Of AOs : 2
AO Version Registered
SSL 1.2 Y
DRE 0.23 Y
PEER Statistics
----------------------------------------
Number Of Peers : 1
Peer ID: 203.203.203.11
Peer Num AOs : 2
AO Version InCompatible
SSL 1.2 N
DRE 0.23 N The following example shows how to clear DRE cache. Clearing cache restarts the DRE service.
To clear the DRE cache, use the clear sdwan appqoe dreopt cache command.
Device# clear sdwan appqoe dreopt cache
DRE cache successfully cleared