Copy advanced connectivity from Trellis-docs
Change-Id: I428eb80a4312570cc548a9804b3c0b17930a1cf7
diff --git a/advanced/connectivity.rst b/advanced/connectivity.rst
index 1221313..c9d1f01 100644
--- a/advanced/connectivity.rst
+++ b/advanced/connectivity.rst
@@ -1,2 +1,13 @@
Advanced Connectivity
=====================
+
+SD-Fabric supports DHCP relay, dual homing and external connectivity.
+
+.. toctree::
+ :maxdepth: 2
+ :hidden:
+ :glob:
+
+ connectivity/dhcp-relay
+ connectivity/external-connectivity
+ connectivity/dual-homing