Nicholas Morrison - Networking Specialist

flokinet-014 - The BGP lab - overview

Tags:

Connecting

SSH to the netlab server:

$ ssh flokilab.nanocat.net

List the running containerlab devices:

$ list-devices

Connect to a device:

$ connect device-name

Diagram: Global

Supinet: global view

Diagram: Site

Supinet: site view

Diagram: Logical

Supinet: site view

Overall goal

  • All PCs can talk to each other, in all sites
  • MLAG is configured on the spine switches
  • MLAG is configured on leaf-02

Lab Checklist

ASN and Prefix allocation spreadsheet

MLAG on the spines

  • Configure MLAG
    • Configure an MLAG session between spine-01-a and spine-01-b
    • Configure an MLAG LACP interface on spine-01-a (po1) and spine-01-b (po1) for leaf-01-a
    • Configure an MLAG LACP interface on spine-01-a (po2) and spine-01-b (po2) for leaf-01-b
    • Configure an MLAG LACP interface on spine-01-a (po3) and spine-01-b (po3) for leaf-02-a
    • Configure an MLAG LACP interface on spine-01-a (po4) and spine-01-b (po4) for leaf-02-b
    • Configure an LACP interface on leaf-01-a (po23) -> spine-01-a / spine-01-b
    • Configure an LACP interface on leaf-01-b (po23) -> spine-01-a / spine-01-b
    • Configure an LACP interface on leaf-02-a (po23) -> spine-01-a / spine-01-b
    • Configure an LACP interface on leaf-02-b (po23) -> spine-01-a / spine-01-b

MLAG on leaf-02

  • Configure MLAG
    • Configure an MLAG session between leaf-02-a and leaf-02-b
    • Configure an MLAG LACP interface on leaf-02-a (po1) and leaf-02-b (po1) for r1
    • Configure an MLAG LACP interface on leaf-02-a (po2) and leaf-02-b (po2) for r2
    • Configure an LACP interface on r1 (po23) -> leaf-02-a / leaf-02-b
    • Configure an LACP interface on r2 (po23) -> leaf-02-a / leaf-02-b

VLANs

  • Configure VLANs
    • leaf-01-a and leaf-01-b:
      • Create your VLANs
      • Configure your VLAN access ports
      • Configure your VLAN trunk ports
    • leaf-02-a and leaf-02-b:
      • Create your VLANs
      • Configure your VLAN access ports
      • Configure your VLAN trunk ports
    • spine-01-a and spine-01-b:
      • Create your VLANs
      • Configure your VLAN trunk ports

Layer 3 interfaces

BGP

Bonus

  • Configure a new VLAN and /31 between r1 and r2
  • Create a new iBGP session between r1 and r2
  • Configure a new VLAN and /31 between r2 and cust-r1
  • Allocate a new subnet for cust-r1/cust-pc1 and configure
  • Configure an eBGP session between r2 and cust-r1
  • Traceroute between cust-pc1 and all other PCs