Virtual Links
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... links of a
multihop, distributed VN. It describes how virtual links established
by IPsec tunnel mode can conflict with routing ...
... multiple network interfaces
together. Virtual links (also called tunnels, especially when
point-to-point ...
... VPN commonly consists of IPsec tunnel mode
virtual links, as required by the IPsec architecture when the
communicating peers are gateway ...
... Consider a VPN topology with virtual links established by IPsec
tunnel mode SAs, as would be required for compliance with [1 ...
... upstream of that virtual link.
There are two outgoing virtual links for this incoming traffic: out
link ...
... VPN or in the base network; it only adds IPsec
protection to secure virtual links.
The next sections will give a short overview of IPIP encapsulation ...
... topology information based on per-interface communication. Merging
different virtual links (tunnels) into a single SA interface ...