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Field Description
UP—The interface is both administratively and physically up.
Line protocol state
Data link layer state of the interface. The state is determined through
automatic parameter negotiation at the data link layer.
• UP—The data link layer protocol is up.
• UP (spoofing)—The data link layer protocol is up, but the link is
an on-demand link or does not exist. This attribute is typical of
null interfaces and loopback interfaces.
• DOWN—The data link layer protocol is down.
Description Description of the tunnel interface.
Bandwidth Expected bandwidth of the tunnel interface.
Maximum transmission unit MTU of the tunnel interface.
Internet protocol processing:
Disabled
The tunnel interface is not assigned an IP address and cannot
process IP packets.
Internet address
IP address of the tunnel interface. The
primary
attribute indicates
that the address is the primary IP address.
Tunnel source
Source address of the tunnel. If a source interface is specified for the
tunnel interface, this field also displays the source interface in
parentheses.
destination Destination address of the tunnel.
Tunnel TOS ToS of tunneled packets.
Tunnel TTL TTL of tunneled packets.
Tunnel protocol/transport
Tunnel mode and transport protocol:
• CR_LSP—MPLS TE tunnel mode.
• GRE/IP—GRE/IPv4 tunnel mode.
• GRE/IPv6—GRE/IPv6 tunnel mode.
• IP/IP—IPv4 over IPv4 tunnel mode.
• IPv6—IPv6 tunnel mode.
• IPv6/IP—IPv6 over IPv4 manual tunnel mode.
• IPv6/IP 6to4—IPv6 over IPv4 6to4 tunnel mode.
• IPv6/IP ISATAP—IPv6 over IPv4 ISATAP tunnel mode.
• UDP_VXLAN/IP—UDP-encapsulated IPv4 VXLAN tunnel
mode.
GRE key disabled No GRE tunnel interface key is configured.
Checksumming of GRE packets
disabled
The GRE packet checksum feature is disabled.
Last clearing of counters Last time when counters were cleared.
Last 300 seconds input rate: 0
bytes/sec, 0 bits/sec, 0 packets/sec
Average input rate in the last 300 seconds.
Last 300 seconds output rate: 0
bytes/sec, 0 bits/sec, 0 packets/sec
Average output rate in the last 300 seconds.
Input: 0 packets, 0 bytes, 0 drops
Total input packets, total input bytes, and total input packets
dropped.
Input packets are counted after they are de-encapsulated by
software.
Output: 0 packets, 0 bytes, 0 drops
Total output packets, total output bytes, and total output packets
dropped.
Output packets are counted before they are encapsulated by
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