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= Fortigate SD-WAN debug and verification commands cheat sheet
Yuri Slobodyanyuk <admin@yurisk.info>
v1.0, 2021-02-18
:homepage: https://yurisk.info
Author: Yuri Slobodyanyuk, admin@yurisk.info
== SD-WAN verification and debug
[cols=2, options="header"]
|===
|Command
|Description
|*diagnose sys sdwan health-check* (6.4 and newer)
*diagnose sys virtual-link health-check* (5.6 up to 6.4)
| Show state of all the health checks/probes. Successful probes are marked `alive`, failed probes are marked `dead`. Also displays `packet-loss, latency, jitter` for each probe.
|*diagnose sys sdwan member* (6.4 and newer)
*diagnose sys virtual-wan-link member*
|Show list of SD-WAN zone/interface members. Also gives each interface gateway IP (if was set, 0.0.0.0 if not), `priority`, and `weight` both by default equal `0`, used with some SLA Types.
|*diagnose sys sdwan service* (6.4 and newer)
*diagnose sys virtual-wan-link service*
|List configured SD-WAN rules (aka `services`), except the Implied one which is always present and cannot be disabled, but is editable for the default load balancing method used. Shows member interfaces and their status `alive` or `dead` for this rule.
|*diag sys sdwan intf-sla-log <interface name>* (6.4 and newer)
*diag sys virtual-wan-link intf-sla-log <interface name>*
|Print log of <interface name> usage for the last 10 minutes. The statistics shown in bps: `inbandwidth`, `outbandwidth`, `bibandwidth`, `tx bytes`, `rx bytes`.
|*diag netlink interface clear <interface name>*
|Clear traffic statistics on the interface, this resets statistics of the SD-WAN traffic passing over this interface. Needed, if, for example, you changed SD-WAN rules, but not sure if it's already active. E.g. `diag netlink interface clear port1`.
|*diagnose firewall proute list*
|List ALL Policy Based Routes (PBR). SD-WAN in Fortigate, after all, is implemented as a variation of PBR. This command lists manual (classic) PBR rules, along with SD-WAN created via SD-WAN rules. *Important*: Manually created PBR rules (via `Network -> Policy Routes` or on CLI `config route policy` always have preference over the SD-WAN rules, and this command will show them higher up.
|===

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