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• Multipath over more than one VLAN interfaces will not be working for packets routed over the tunnel
interface. This is inherited from the current implementation and this is not applicable for the receive-
only tunnels functionality discussed above.
• IP tunnel interfaces are supported over ECMP paths to the next hop. ECMP paths over IP tunnel
interfaces are supported. ARP and neighbor resolution for the IP tunnel next hop are supported.
Multipoint Receive-Only Type and IP Unnumbered
Interfaces for 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.
928
Tunneling