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884 CHAPTER 68: TUNNELING CONFIGURATION COMMANDS
ND reachable time is 30000 milliseconds
ND retransmit interval is 1000 milliseconds
Hosts use stateless autoconfig for addresses
encapsulation-limit
Syntax encapsulation-limit [ number ]
undo encapsulation-limit
View Tunnel interface view
Parameter number: Number of nested encapsulations in a tunnel, in the range of 1 to 10.
The default value is 4.
Description Use the
encapsulation-limit command to configure the maximum number of
nested encapsulations of a packet.
Use the
undo encapsulation-limit command to remove the encapsulation
limit.
The encapsulation limit is only applicable to the IPv6 over IPv6 tunnel.
Example # Configure the maximum number of nested encapsulations in a tunnel to 3.
<Sysname> system-view
[Sysname] interface tunnel 2
[Sysname-Tunnel2] tunnel-protocol ipv6-ipv6
[Sysname-Tunnel2] encapsulation-limit 3
interface tunnel
Syntax interface tunnel number
Table 190 Description on fields of the display interface tunnel command
Field Description
Tunnel0 current state: UP The physical layer of the tunnel interface is reachable.
Line protocol current state: UP The link layer of the tunnel interface is reachable.
IPv6 is enabled Enables IPv6 on a tunnel interface
link-local address Link-local address of a tunnel interface
Global unicast address(es) Aggregatable global unicast address of a tunnel interface.
Joined group address(es) Multicast address of a tunnel interface.
MTU is 1500 bytes Size of the MTU in a tunnel. The MTU in this example is
1,500 bytes.
ND reachable time Neighbor reachable time
ND retransmit interval Interval for retransmitting a neighbor discovery message.
Hosts use stateless autoconfig for
addresses
Hosts use the stateless auto-configuration mode to
acquire IPv6 addresses.