Merge pull request #80 from JulioPDX/mlag-fix

Leveraging same subnet for mlag
aristanetworks · Mar 14, 2024 · bbf2e4e · bbf2e4e
2 parents b2c77f5 + c87d18a
commit bbf2e4e
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Showing 2 changed files with 16 additions and 6 deletions.
diff --git a/sites/site_1/group_vars/SITE1_FABRIC.yml b/sites/site_1/group_vars/SITE1_FABRIC.yml
@@ -5,15 +5,20 @@ fabric_name: SITE1_FABRIC
 design:
   type: l2ls
 
+# Repeat MLAG addressing between pairs
+fabric_ip_addressing:
+  mlag:
+    algorithm: same_subnet
+
 # Spine Switches
 l3spine:
   defaults:
     platform: cEOS
     spanning_tree_mode: mstp
     spanning_tree_priority: 4096
     loopback_ipv4_pool: 10.1.252.0/24
-    mlag_peer_ipv4_pool: 10.1.253.0/24
-    mlag_peer_l3_ipv4_pool: 10.1.254.0/24
+    mlag_peer_ipv4_pool: 10.1.253.0/31
+    mlag_peer_l3_ipv4_pool: 10.1.253.2/31
     virtual_router_mac_address: 00:1c:73:00:dc:01
     mlag_interfaces: [ Ethernet1, Ethernet6 ]
   node_groups:
@@ -30,7 +35,7 @@ l3spine:
 leaf:
   defaults:
     platform: cEOS
-    mlag_peer_ipv4_pool: 10.1.253.0/24
+    mlag_peer_ipv4_pool: 10.1.253.0/31
     spanning_tree_mode: mstp
     spanning_tree_priority: 16384
     uplink_switches: [ s1-spine1, s1-spine2 ]

diff --git a/sites/site_2/group_vars/SITE2_FABRIC.yml b/sites/site_2/group_vars/SITE2_FABRIC.yml
@@ -5,15 +5,20 @@ fabric_name: SITE2_FABRIC
 design:
   type: l2ls
 
+# Repeat MLAG addressing between pairs
+fabric_ip_addressing:
+  mlag:
+    algorithm: same_subnet
+
 # Spine Switches
 l3spine:
   defaults:
     platform: cEOS
     spanning_tree_mode: mstp
     spanning_tree_priority: 4096
     loopback_ipv4_pool: 10.2.252.0/24
-    mlag_peer_ipv4_pool: 10.2.253.0/24
-    mlag_peer_l3_ipv4_pool: 10.2.254.0/24
+    mlag_peer_ipv4_pool: 10.2.253.0/31
+    mlag_peer_l3_ipv4_pool: 10.2.253.2/31
     virtual_router_mac_address: 00:1c:73:00:dc:01
     mlag_interfaces: [ Ethernet1, Ethernet6 ]
   node_groups:
@@ -30,7 +35,7 @@ l3spine:
 leaf:
   defaults:
     platform: cEOS
-    mlag_peer_ipv4_pool: 10.2.253.0/24
+    mlag_peer_ipv4_pool: 10.2.253.0/31
     spanning_tree_mode: mstp
     spanning_tree_priority: 16384
     uplink_switches: [ s2-spine1, s2-spine2 ]