ACI: Multi-POD Design con 2 e 3 POD e policy costruction

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ACI: Multi-POD Design con 2 e 3 POD e policy costruction

01.09 2023 | by massimiliano

Costruzione rete ACI Multi-POD Design con 2 e 3 POD e policy costruction DESIGN con 2 POD DESIGN con 3 […]


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Costruzione rete ACI Multi-POD Design con 2 e 3 POD e policy costruction

DESIGN con 2 POD

2pod

DESIGN con 3 POD

3pod

STEP di Configurazione IPN

1: VRF instance

2: OSPF process

3: Multicast (BiDir Phantom RP)

4: IPN interface

5: DHCP Relay Enabled

6: IPN interface for dhcp relay

Excel di Costruzione Policies ACI Multi-POD

Construct-IPN-MultiPod_web.xlsx

Best-Practices di costruzione rete Multipod ACI

sezione IPN

LINK IDSiteSpeedRole
From Spine “A”POD-IDS/N Spine “A”Router ID “A”Interface “A”MTU “A”IPv4 Address “A”
To IPN “B”S/N IPN “B”Interface IPN “B”Router ID IPN “B”MTU IPN “B”IPv4 Address IPN “B”
OSPF processTypeCostArea

Esempio

sezione L3-OUT

prima parte:

PODSiteVLAN-POOLVLAN RANGEL3-DOMAINAAEPPOLICY GROUPType (Spine)Access Port SelectorNODENamePort Blocks
1DC1Multi_Pod-Vlan-Pool4Multi-Pod-L3-DomMulti-Pod-AEPMulti-Pod-PolGrpinfraSpAccPortGrpPod1-Spine-Ints1051DC1-SP-01eth1/36
eth2/26
1052DC1-SP-02eth1/36
           eth2/26
2DC2Multi_Pod-Vlan-Pool4Multi-Pod-L3-DomMulti-Pod-AEPMulti-Pod-PolGrpinfraSpAccPortGrpPod2-Spine-Ints2051DC2-SP-01eth1/36
eth2/26
2052DC2-SP-02eth1/36
           eth2/26

seconda parte:

NODENamePort BlocksDeployed Ext-EPG TENANTL3-OUTLogical Node ProfilesLogical Interface Profiles
1051DC1-SP-01eth1/36l3extinsPName<stringa>inframultipodbSpineinterface-1051-1-36-profile
eth2/26l3extinsPName<stringa>inframultipodbSpineinterface-1051-2-26-profile
1052DC1-SP-02eth1/36l3extinsPName<stringa>inframultipodbSpineinterface-1052-1-36-profile
  eth2/26l3extinsPName<stringa>inframultipodbSpineinterface-1052-2-26-profile
2051DC2-SP-01eth1/36l3extinsPName<stringa>inframultipodbSpineinterface-2051-1-36-profile
eth2/26l3extinsPName<stringa>inframultipodbSpineinterface-2051-2-26-profile
2052DC2-SP-02eth1/36l3extinsPName<stringa>inframultipodbSpineinterface-2052-1-36-profile
  eth2/26l3extinsPName<stringa>inframultipodbSpineinterface-2052-2-26-profile

terza parte:

ProfileConfigures NodesOSPFAreaInterface IDIP AddressVRF
OSPFpod-1/node-10510.0.0.1eth1/36.7410.17.25.129/31overlay-1
OSPFeth2/36.3610.17.25.135/31overlay-1
OSPFpod-1/node-10520.0.0.1eth1/36.7210.17.25.133/31overlay-1
OSPF  eth2/36.3610.17.25.131/31overlay-1
OSPFpod-2/node-20510.0.0.1eth1/36.7410.18.25.129/31overlay-1
OSPFeth2/36.3610.18.25.135/31overlay-1
OSPFpod-2/node-20520.0.0.1eth1/36.7210.18.25.133/31overlay-1
OSPF  eth2/36.3610.18.25.131/31overlay-1

sezione TEP Pool

POD IDSite NameSite IDExternal TEPTEP PoolSPINE-IDO-UTEPO-MTEPEVPN RIDL3-outInterface ProfileBGP ASBGP peering type
1DC1111110.17.5.0/2410.17.0.0/1710.17.5.210.17.253.254/32multipodOSPF<as>full-mesh
2DC2222210.18.1.0/2410.18.0.0/1710.18.1.210.18.253.254/32multipodOSPF<as>full-mesh

sezione Multicast

POD IDNode IPNPhantom RP addressInterface SSM rangegroup-listPIM
1DC1-IPN-0110.10.253.33/30Loopback 1232.0.0.0/8225.0.0.0/8 bidirsparse-mode
1DC1-IPN-01239.255.255.240/28 bidirsparse-mode
2DC2-IPN-0110.10.253.33/29Loopback 1232.0.0.0/8225.0.0.0/8 bidirsparse-mode
2DC2-IPN-01239.255.255.240/28 bidirsparse-mode

sezione DHCP Relay

POD IDNodeInterface IP DHCP relay addressServiceIP DHCP Relay
1111DC1-IPN-01eth1/31.4dhcpenabled
1111DC1-IPN-01eth1/32.4dhcpenabled
1111DC1-IPN-02eth1/31.4dhcpenabled
1111DC1-IPN-02eth1/32.4dhcpenabled
2222DC2-IPN-01eth1/31.4dhcpenabled
2222DC2-IPN-01eth1/32.4dhcpenabled
2222DC2-IPN-02eth1/31.4dhcpenabled
2222DC2-IPN-02eth1/32.4dhcpenabled

sezione OOB and INB

PODSubnet OOBSubnet INBNode FabricS/NIP address OOBIP address INB
       

NOTA: tutti gli indirizzi IP indicati sono inventati ed hanno il solo scopo dimostrativo

Esempio di una architettura multipod con tre POD

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