In case of MPLS-TE segment routing uses source routing where the source knows about the complete path and while sending packet out it just embeds that path in the packet.Now, we can see that how nicely we have eliminated LDP and RSVP, Link state routing protocols and IPv6 is turning into a Swiss army knife for the networking world.SRv6 is further extended to another version SRv6+ where the extension headers are compressed because IPv6 headers were becoming huge.In IPv6 data-plane based SR or SRv6 it uses the fields in IPv6 itself to pass the same information.Segment routing uses capabilities of Link state routing protocols like TLVs in ISIS and Opaque LSA in OSPF to pass the label and other information in MPLS data-plane based SR.In comparison with the above two technologies, it brings so much on the table but most importantly with segment routing we don’t need a protocol to generate or distribute labels like LDP or RSVP.Segment routing is seen as an evolution of our old MPLS and MPLS-TE based label forwarding.Before getting into the configuration I really wanted to discuss few major points we should know about segment routing and how those are bringing change in the world on layer-2 forwarding. Now, lets get started with Segment routing.
#Router ios for gns3 how to
Please check my blog on how to configure GNS3 as a remote server here How to Run GNS3 in Client Server Mode This blog is very close to my heart because this is the first one where the lab is done on my recently built remote GNS3 server.
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