MPLS VPN on the Provider Edge
I have this example config on setting up the MPLS L3 VPN, but when configuring the VPN neighbor in the PE router, I don`t understand that why the neighbor command is required in th...
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I have this example config on setting up the MPLS L3 VPN, but when configuring the VPN neighbor in the PE router, I don`t understand that why the neighbor command is required in th...
In a previous blog post, I described the ARP issues you’ll encounter when using centralized routing (on a spine switch) between two EVPN MAC-VRF instances (a fancy name for a VLAN...
Doug Madory wrote an interesting article (published on APNIC blog) arguing that we shouldn’t worry about ephemeral BGP leaks that can be observed only during the BGP path hunting p...
A few weeks ago, I described the changes in the online BGP labs that allow you to use most of the common network operating systems as “external” routers1. However, while we keep im...
Network connectivity issues have a significant impact on enterprise activities and customer satisfaction, particularly for organizations relying on a single Internet Service Provid...
<p><em>netlab</em> release 26.05 is out. Here are the highlights:</p> Support for <a href="https://netlab.tools/module/srv6/#module-srv6-services&q...
FRRouting release 10.6 promised “BGP IPv6 VTEP support,” claiming “it enables EVPN deployments using IPv6 tunnel endpoints while maintaining full backward compatibility with IPv4 V...
Adding IRB to a EVPN MAC-VRFs (the fancy way of saying stretched VLANs) seems like a no-brainer: Add IP addresses to VLAN interfaces Optionally add a shared anycast gateway Declar...
netlab release 26.04 is out. Here are the highlights: Extreme Networks EXOS is supported as a Vagrant box or containerlab node with OSPF, VLAN, and VRRP configuration (by Seb d’Ar...
Naveen Kumar Devaraj was reading my Integrated Routing and Bridging (IRB) with EVPN MAC-VRF Instances lab exercise and spotted this detail: Arista EOS originates MAC-IP routes wit...
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