Merge pull request #78180 from cherylmc/patch-3

Update vpn-gateway-about-vpn-devices.md

Author: PRMerger16

articles/vpn-gateway/vpn-gateway-about-vpn-devices.md

@@ -6,7 +6,7 @@ author: yushwang
 
 ms.service: vpn-gateway
 ms.topic: article
-ms.date: 05/24/2019
+ms.date: 05/29/2019
 ms.author: yushwang
 
 ---
@@ -61,9 +61,10 @@ To help configure your VPN device, refer to the links that correspond to the app
 | ShareTech | Next Generation UTM (NU series) | 9.0.1.3 | Not compatible | [Configuration guide](http://www.sharetech.com.tw/images/file/Solution/NU_UTM/S2S_VPN_with_Azure_Route_Based_en.pdf) |
 | SonicWall |TZ Series, NSA Series<br>SuperMassive Series<br>E-Class NSA Series |SonicOS 5.8.x<br>SonicOS 5.9.x<br>SonicOS 6.x |Not compatible |[Configuration guide](https://www.sonicwall.com/support/knowledge-base/170505320011694) |
 | Sophos | XG Next Gen Firewall | XG v17 | | [Configuration guide](https://community.sophos.com/kb/127546)<br><br>[Configuration guide - Multiple SAs](https://community.sophos.com/kb/en-us/133154) |
-| Synology | MR2200ac/RT2600ac/RT1900ac | SRM1.1.5/VpnPlusServer-1.2.0 |  | [Configuration Guide](https://www.synology.com/en-global/knowledgebase/SRM/tutorial/VPN/How_to_set_up_Site_to_Site_VPN_between_Synology_Router_and_MS_Azure) |
+| Synology | MR2200ac <br>RT2600ac <br>RT1900ac | SRM1.1.5/VpnPlusServer-1.2.0 |  | [Configuration Guide](https://www.synology.com/en-global/knowledgebase/SRM/tutorial/VPN/How_to_set_up_Site_to_Site_VPN_between_Synology_Router_and_MS_Azure) |
 | Ubiquiti | EdgeRouter | EdgeOS v1.10 |  | [BGP over IKEv2/IPsec](https://help.ubnt.com/hc/en-us/articles/115012374708)<br><br>[VTI over IKEv2/IPsec](https://help.ubnt.com/hc/en-us/articles/115012305347)
 | WatchGuard |All |Fireware XTM<br> PolicyBased: v11.11.x<br>RouteBased: v11.12.x |[Configuration guide](http://watchguardsupport.force.com/publicKB?type=KBArticle&SFDCID=kA2F00000000LI7KAM&lang=en_US) |[Configuration guide](http://watchguardsupport.force.com/publicKB?type=KBArticle&SFDCID=kA22A000000XZogSAG&lang=en_US)|
+| Zyxel |ZyWALL USG series<br>ZyWALL ATP series<br>ZyWALL VPN series | ZLD v4.32+ | | [VTI over IKEv2/IPsec](https://businessforum.zyxel.com/discussion/2648/)<br>[BGP over IKEv2/IPsec](https://businessforum.zyxel.com/discussion/2650/)|
 
 > [!NOTE]
 >