diff --git a/collections/pm.metrictypes/Interface/Errors/CRC_In_Delta.json b/collections/pm.metrictypes/Interface/Errors/CRC_Delta.json
similarity index 86%
rename from collections/pm.metrictypes/Interface/Errors/CRC_In_Delta.json
rename to collections/pm.metrictypes/Interface/Errors/CRC_Delta.json
index f760e18120e8466ad2a62b7f4198c365a2116edc..0fe4abff8c462b95c28bc6ae05ba1347fcb7a0a8 100644
--- a/collections/pm.metrictypes/Interface/Errors/CRC_In_Delta.json
+++ b/collections/pm.metrictypes/Interface/Errors/CRC_Delta.json
@@ -1,5 +1,5 @@
 {
-    "name": "Interface | Errors | CRC | In | Delta",
+    "name": "Interface | Errors | CRC | Delta",
     "$collection": "pm.metrictypes",
     "uuid": "b2df0f15-229a-4981-ade2-b820e761f2ef",
     "scope__name": "Interface",
diff --git a/collections/pm.metrictypes/Interface/Errors/Frame_In_Delta.json b/collections/pm.metrictypes/Interface/Errors/Frame_Delta.json
similarity index 86%
rename from collections/pm.metrictypes/Interface/Errors/Frame_In_Delta.json
rename to collections/pm.metrictypes/Interface/Errors/Frame_Delta.json
index 073e65a55a0b158b0186e3d3211fab5bad8a170d..5ab50d79c296521f124eee05735d069454a20c13 100644
--- a/collections/pm.metrictypes/Interface/Errors/Frame_In_Delta.json
+++ b/collections/pm.metrictypes/Interface/Errors/Frame_Delta.json
@@ -1,5 +1,5 @@
 {
-    "name": "Interface | Errors | Frame | In | Delta",
+    "name": "Interface | Errors | Frame | Delta",
     "$collection": "pm.metrictypes",
     "uuid": "73daa660-0ddf-40d3-ac34-4bd259146694",
     "scope__name": "Interface",
diff --git a/collections/pm.metrictypes/Memory/Total.json b/collections/pm.metrictypes/Memory/Total.json
new file mode 100644
index 0000000000000000000000000000000000000000..18a8a03a29e2a579da78688ab47650dd894e89da
--- /dev/null
+++ b/collections/pm.metrictypes/Memory/Total.json
@@ -0,0 +1,12 @@
+{
+    "name": "Memory | Total",
+    "$collection": "pm.metrictypes",
+    "uuid": "2425fd6e-009b-4078-980e-aff3017d279e",
+    "scope__name": "Memory",
+    "field_name": "total",
+    "field_type": "UInt64",
+    "description": "Memory total in bytes",
+    "measure": "bytes",
+    "units__code": "byte",
+    "scale__code": "1"
+}
diff --git a/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_collision_delta.json b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_collision_delta.json
new file mode 100644
index 0000000000000000000000000000000000000000..87de0991114fbee718c1b39399d93b2edcec6075
--- /dev/null
+++ b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_collision_delta.json
@@ -0,0 +1,6 @@
+{
+  "$metric": "Interface | Errors | Collision | Delta",
+  "$type": "ifindex",
+  "oid": "1.3.6.1.4.1.9.2.2.1.1.25.{{ ifIndex }}",
+  "type": "delta"
+}
diff --git a/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_collision_rate.json b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_collision_rate.json
new file mode 100644
index 0000000000000000000000000000000000000000..dfe18ba6c90769c22c55ceef027e043640de079b
--- /dev/null
+++ b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_collision_rate.json
@@ -0,0 +1,6 @@
+{
+  "$metric": "Interface | Errors | Collision | Rate",
+  "$type": "ifindex",
+  "oid": "1.3.6.1.4.1.9.2.2.1.1.25.{{ ifIndex }}",
+  "type": "counter"
+}
diff --git a/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_crc_in_delta.json b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_crc_in_delta.json
new file mode 100644
index 0000000000000000000000000000000000000000..d443cfa69817208ab3a12529b652817945df2e5a
--- /dev/null
+++ b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_crc_in_delta.json
@@ -0,0 +1,6 @@
+{
+  "$metric": "Interface | Errors | CRC | Delta",
+  "$type": "ifindex",
+  "oid": "1.3.6.1.4.1.9.2.2.1.1.12.{{ ifIndex }}",
+  "type": "delta"
+}
diff --git a/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_frame_in_delta.json b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_frame_in_delta.json
new file mode 100644
index 0000000000000000000000000000000000000000..a89f4192582dbf439e2e8f9372d80734f187ecda
--- /dev/null
+++ b/sa/profiles/Cisco/IOS/snmp_metrics/interface_errors_frame_in_delta.json
@@ -0,0 +1,6 @@
+{
+  "$metric": "Interface | Errors | Frame | Delta",
+  "$type": "ifindex",
+  "oid": "1.3.6.1.4.1.9.2.2.1.1.13.{{ ifIndex }}",
+  "type": "delta"
+}
diff --git a/sa/profiles/Cisco/IOS/snmp_metrics/memory_total.json b/sa/profiles/Cisco/IOS/snmp_metrics/memory_total.json
new file mode 100644
index 0000000000000000000000000000000000000000..a16834015e29ec9402e96cf35a8acbacca3915c5
--- /dev/null
+++ b/sa/profiles/Cisco/IOS/snmp_metrics/memory_total.json
@@ -0,0 +1,10 @@
+{
+    "$metric": "Memory | Total",
+    "$type": "oid",
+    "oid": [
+      "1.3.6.1.4.1.9.9.48.1.1.1.6.1",
+      "1.3.6.1.4.1.9.9.48.1.1.1.5.1"
+    ],
+    "scale": "sum",
+    "units": "byte"
+}
\ No newline at end of file
diff --git a/sa/profiles/Generic/snmp_metrics/interface_multicast_packets_in_delta.json b/sa/profiles/Generic/snmp_metrics/interface_multicast_packets_in_delta.json
new file mode 100644
index 0000000000000000000000000000000000000000..981cbcbd641341a965ecc14f13d231675d875aba
--- /dev/null
+++ b/sa/profiles/Generic/snmp_metrics/interface_multicast_packets_in_delta.json
@@ -0,0 +1,16 @@
+{
+  "$metric": "Interface | Multicast | In | Delta",
+  "$type": "hires",
+  "hires": {
+    "$type": "ifindex",
+    "oid": "IF-MIB::ifHCInMulticastPkts.{{ ifIndex }}",
+    "type": "delta",
+    "units": "pkt"
+  },
+  "normal": {
+    "$type": "ifindex",
+    "oid": "IF-MIB::ifInMulticastPkts.{{ ifIndex }}",
+    "type": "delta",
+    "units": "pkt"
+  }
+}
diff --git a/sa/profiles/Generic/snmp_metrics/network_stp_topology_changes_rate.json b/sa/profiles/Generic/snmp_metrics/network_stp_topology_changes_rate.json
new file mode 100644
index 0000000000000000000000000000000000000000..b2b05c77db5acfbe3f6b8c557c1c770e630db710
--- /dev/null
+++ b/sa/profiles/Generic/snmp_metrics/network_stp_topology_changes_rate.json
@@ -0,0 +1,11 @@
+{
+  "$metric": "Network | STP | Topology Changes | Rate",
+  "$type": "caps",
+  "oids": [[
+    "Network | STP", {
+      "$type": "oid",
+      "oid": "1.3.6.1.2.1.17.2.4.0",
+      "type": "counter"
+    }
+  ]]
+}
diff --git a/sa/profiles/Juniper/JUNOS/snmp_metrics/memory_total.json b/sa/profiles/Juniper/JUNOS/snmp_metrics/memory_total.json
new file mode 100644
index 0000000000000000000000000000000000000000..31b560e2bcc6c6428dc3e92e5fae1f9eb4473d8c
--- /dev/null
+++ b/sa/profiles/Juniper/JUNOS/snmp_metrics/memory_total.json
@@ -0,0 +1,6 @@
+{
+    "$metric": "Memory | Total",
+    "$type": "slot",
+    "oid": "1.3.6.1.4.1.2636.3.1.13.1.10.{{ hwSlotIndex }}",
+    "units": "byte"
+}