We are excited to announce the release of NFA 24.04, which introduces significant...
BGP/MPLS Layer 3 VPNs Practical Configuration
In our previous blog article we’ve discussed the benefits and the fundamental principles of BGP/MPLS L3 VPNs. We have...
BGP / MPLS Layer 3 VPNs
What is VPN? Virtual Private Networks (VPN) are designed to provide users with the private networks capabilities over...
Lesser-known BGP path attributes
The past few weeks we've discussed the main BGP path attributes: the next hop, the AS path, the MED. We also covered...
The BGP Multi Exit Discriminator (MED) attribute and tie-breaking
When BGP needs to choose which route to reach a certain destination is best, it first looks at the local preference...
Understanding the AS path and AS path prepending
In earlier articles, we discussed the next hop and local preference attributes. Today we'll be looking at the AS_PATH...
IPv4 BGP vs IPv6 BGP
BGP is older than IPv6. Even BGP-4, the version we still use today, predates IPv6: the first BGP-4 RFC (RFC 1654) was...