Multipoint Receive-Only Tunnels
A multipoint receive-only IP tunnel decapsulates packets from remote end-points and never forwards
packets on the tunnel. You can configure an additional level of security on a receive-only IP tunnel by
specifying a valid prefix or range of remote peers.
The operational status of a multipoint receive-only tunnel interface always remains up. Packets from the
remote addresses configured for a multipoint receive-only tunnel are decapsulated and are not marked
for neighbor resolution as for a standard tunnel’s destination address. Connected routes for the tunnel
interface’s IP subnet do not point towards the tunnel but towards the switch CPU for the receive-only
tunnel. The tunnel interface can function as an unnumbered interface with no IPv4/IPv6 address
assigned.
Tunneling
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