EVPN designs: IBGP full mesh

nathanbycroft · May 20, 2024 · 4ae42e3 · 4ae42e3
1 parent fdd7edc
commit 4ae42e3
Show file tree

Hide file tree

Showing 8 changed files with 793 additions and 0 deletions.
diff --git a/EVPN/ibgp-full-mesh/README.md b/EVPN/ibgp-full-mesh/README.md
@@ -0,0 +1,8 @@
+# EVPN Designs: IBGP Full Mesh
+
+This directory contains the lab topology described in the [EVPN Designs: IBGP Full Mesh Between Leaf Switches
+](https://blog.ipspace.net/2024/05/evpn-designs-ibgp-full-mesh.html) blog post.
+
+![](http://blog.ipspace.net/2024/04/evpn-design-fabric.png)
+
+![](http://blog.ipspace.net/2024/05/evpn-design-ibgp-full-mesh.png)
diff --git a/EVPN/ibgp-full-mesh/config/L1.cfg b/EVPN/ibgp-full-mesh/config/L1.cfg
@@ -0,0 +1,138 @@
+! Command: show running-config
+! device: L1 (cEOSLab, EOS-4.32.0F-36401836.4320F (engineering build))
+!
+no aaa root
+!
+username admin privilege 15 role network-admin secret sha512 $6$htxqtVqJgup0L4gB$e4SaXj2CitWp/yHFZrn65zF6EkNyZUo511CWfWb6hrsvFNoGAB./IUhYAHsRwdRJDgpjFmWfF4kHJjTG18LhB.
+!
+transceiver qsfp default-mode 4x10G
+!
+service routing protocols model multi-agent
+!
+logging monitor debugging
+!
+hostname L1
+ip host H1 172.16.0.7
+ip host H2 172.16.0.8
+ip host H3 172.16.1.9
+ip host H4 172.16.1.10
+ip host L2 10.0.0.2 10.1.0.9 10.1.0.13
+ip host L3 10.0.0.3 10.1.0.17 10.1.0.21
+ip host L4 10.0.0.4 10.1.0.25 10.1.0.29
+ip host S1 10.0.0.5 10.1.0.2 10.1.0.10 10.1.0.18 10.1.0.26
+ip host S2 10.0.0.6 10.1.0.6 10.1.0.14 10.1.0.22 10.1.0.30
+!
+spanning-tree mode mstp
+!
+system l1
+   unsupported speed action error
+   unsupported error-correction action error
+!
+vlan 1000
+   name orange
+!
+vrf instance management
+!
+management api http-commands
+   no shutdown
+   !
+   vrf management
+      no shutdown
+!
+management api gnmi
+   transport grpc default
+      vrf management
+!
+management api netconf
+   transport ssh default
+      vrf management
+!
+interface Ethernet1
+   description L1 -> S1
+   mac-address 52:dc:ca:fe:01:01
+   no switchport
+   ip address 10.1.0.1/30
+   ip ospf network point-to-point
+   ip ospf area 0.0.0.0
+!
+interface Ethernet2
+   description L1 -> S2
+   mac-address 52:dc:ca:fe:01:02
+   no switchport
+   ip address 10.1.0.5/30
+   ip ospf network point-to-point
+   ip ospf area 0.0.0.0
+!
+interface Ethernet3
+   mac-address 52:dc:ca:fe:01:03
+   switchport access vlan 1000
+!
+interface Loopback0
+   ip address 10.0.0.1/32
+   ip ospf area 0.0.0.0
+!
+interface Management0
+   vrf management
+   ip address 192.168.121.101/24
+   no lldp transmit
+   no lldp receive
+!
+interface Vlan1000
+   description VLAN orange (1000) -> [H1,H2,L3]
+!
+interface Vxlan1
+   vxlan source-interface Loopback0
+   vxlan udp-port 4789
+   vxlan vlan 1000 vni 101000
+!
+ip routing
+no ip routing vrf management
+!
+ip route vrf management 0.0.0.0/0 192.168.121.1
+!
+route-map next-hop-self-ipv4 permit 10
+   match route-type external
+   set ip next-hop peer-address
+!
+route-map next-hop-self-ipv4 permit 20
+!
+router bgp 65000
+   router-id 10.0.0.1
+   no bgp default ipv4-unicast
+   bgp advertise-inactive
+   neighbor 10.0.0.2 remote-as 65000
+   neighbor 10.0.0.2 update-source Loopback0
+   neighbor 10.0.0.2 description L2
+   neighbor 10.0.0.2 send-community standard extended large
+   neighbor 10.0.0.3 remote-as 65000
+   neighbor 10.0.0.3 update-source Loopback0
+   neighbor 10.0.0.3 description L3
+   neighbor 10.0.0.3 send-community standard extended large
+   neighbor 10.0.0.4 remote-as 65000
+   neighbor 10.0.0.4 update-source Loopback0
+   neighbor 10.0.0.4 description L4
+   neighbor 10.0.0.4 send-community standard extended large
+   !
+   vlan 1000
+      rd 10.0.0.1:1000
+      route-target import 65000:1000
+      route-target export 65000:1000
+      redistribute learned
+   !
+   address-family evpn
+      neighbor 10.0.0.2 activate
+      neighbor 10.0.0.3 activate
+      neighbor 10.0.0.4 activate
+   !
+   address-family ipv4
+      network 10.0.0.1/32
+!
+router ospf 1
+   router-id 10.0.0.1
+   interface unnumbered hello mask tx 0.0.0.0
+   max-lsa 12000
+   timers spf delay initial 100 200 500
+   timers lsa rx min interval 100
+   timers lsa tx delay initial 100 200 500
+!
+end
diff --git a/EVPN/ibgp-full-mesh/config/L2.cfg b/EVPN/ibgp-full-mesh/config/L2.cfg
@@ -0,0 +1,138 @@
+! Command: show running-config
+! device: L2 (cEOSLab, EOS-4.32.0F-36401836.4320F (engineering build))
+!
+no aaa root
+!
+username admin privilege 15 role network-admin secret sha512 $6$8PgllOUVxgeQsFIR$Uiv4.rM08pAzaa5aGvKmC5/rkiSqJKj8XP4xLLGXigYEQzJVDf1Z4xE2qEaoqUfe9kiIEd5tEDFppFMENrJPF0
+!
+transceiver qsfp default-mode 4x10G
+!
+service routing protocols model multi-agent
+!
+logging monitor debugging
+!
+hostname L2
+ip host H1 172.16.0.7
+ip host H2 172.16.0.8
+ip host H3 172.16.1.9
+ip host H4 172.16.1.10
+ip host L1 10.0.0.1 10.1.0.1 10.1.0.5
+ip host L3 10.0.0.3 10.1.0.17 10.1.0.21
+ip host L4 10.0.0.4 10.1.0.25 10.1.0.29
+ip host S1 10.0.0.5 10.1.0.2 10.1.0.10 10.1.0.18 10.1.0.26
+ip host S2 10.0.0.6 10.1.0.6 10.1.0.14 10.1.0.22 10.1.0.30
+!
+spanning-tree mode mstp
+!
+system l1
+   unsupported speed action error
+   unsupported error-correction action error
+!
+vlan 1001
+   name blue
+!
+vrf instance management
+!
+management api http-commands
+   no shutdown
+   !
+   vrf management
+      no shutdown
+!
+management api gnmi
+   transport grpc default
+      vrf management
+!
+management api netconf
+   transport ssh default
+      vrf management
+!
+interface Ethernet1
+   description L2 -> S1
+   mac-address 52:dc:ca:fe:02:01
+   no switchport
+   ip address 10.1.0.9/30
+   ip ospf network point-to-point
+   ip ospf area 0.0.0.0
+!
+interface Ethernet2
+   description L2 -> S2
+   mac-address 52:dc:ca:fe:02:02
+   no switchport
+   ip address 10.1.0.13/30
+   ip ospf network point-to-point
+   ip ospf area 0.0.0.0
+!
+interface Ethernet3
+   mac-address 52:dc:ca:fe:02:03
+   switchport access vlan 1001
+!
+interface Loopback0
+   ip address 10.0.0.2/32
+   ip ospf area 0.0.0.0
+!
+interface Management0
+   vrf management
+   ip address 192.168.121.102/24
+   no lldp transmit
+   no lldp receive
+!
+interface Vlan1001
+   description VLAN blue (1001) -> [H3,H4,L4]
+!
+interface Vxlan1
+   vxlan source-interface Loopback0
+   vxlan udp-port 4789
+   vxlan vlan 1001 vni 101001
+!
+ip routing
+no ip routing vrf management
+!
+ip route vrf management 0.0.0.0/0 192.168.121.1
+!
+route-map next-hop-self-ipv4 permit 10
+   match route-type external
+   set ip next-hop peer-address
+!
+route-map next-hop-self-ipv4 permit 20
+!
+router bgp 65000
+   router-id 10.0.0.2
+   no bgp default ipv4-unicast
+   bgp advertise-inactive
+   neighbor 10.0.0.1 remote-as 65000
+   neighbor 10.0.0.1 update-source Loopback0
+   neighbor 10.0.0.1 description L1
+   neighbor 10.0.0.1 send-community standard extended large
+   neighbor 10.0.0.3 remote-as 65000
+   neighbor 10.0.0.3 update-source Loopback0
+   neighbor 10.0.0.3 description L3
+   neighbor 10.0.0.3 send-community standard extended large
+   neighbor 10.0.0.4 remote-as 65000
+   neighbor 10.0.0.4 update-source Loopback0
+   neighbor 10.0.0.4 description L4
+   neighbor 10.0.0.4 send-community standard extended large
+   !
+   vlan 1001
+      rd 10.0.0.2:1001
+      route-target import 65000:1001
+      route-target export 65000:1001
+      redistribute learned
+   !
+   address-family evpn
+      neighbor 10.0.0.1 activate
+      neighbor 10.0.0.3 activate
+      neighbor 10.0.0.4 activate
+   !
+   address-family ipv4
+      network 10.0.0.2/32
+!
+router ospf 1
+   router-id 10.0.0.2
+   interface unnumbered hello mask tx 0.0.0.0
+   max-lsa 12000
+   timers spf delay initial 100 200 500
+   timers lsa rx min interval 100
+   timers lsa tx delay initial 100 200 500
+!
+end