8
Neighbor state: Confirmed
Neighbor aged time: 11s
Interface Ten-GigabitEthernet1/0/2
DLDP port state: Bidirectional
Number of the port’s neighbors: 1
Neighbor MAC address: 0023-8956-3600
Neighbor port index: 2
Neighbor state: Confirmed
Neighbor aged time: 12s
The output shows that the DLDP port status of both Ten-GigabitEthernet 1/0/1 and Ten-
GigabitEthernet 1/0/2 is Bidirectional.
# Enable the monitoring of logs on the current terminal for Device A, and set the lowest level of the
logs that can be output to the monitor terminal to 6.
[DeviceA] quit
<DeviceA> terminal monitor
The current terminal is enabled to display logs.
<DeviceA> terminal logging level 6
As shown in
, the two pairs of fibers between Device A and Device B are cross-connected.
Figure 4 Cross-connected fibers
The following log information is displayed on Device A:
<DeviceA>%Jul 12 08:29:17:786 2014 DeviceA IFNET/3/PHY_UPDOWN: Ten-
GigabitEthernet1/0/1 link status is DOWN.
%Jul 12 08:29:17:787 2014 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface
Ten-GigabitEthernet1/0/1 is DOWN.
%Jul 12 08:29:17:800 2014 DeviceA IFNET/3/PHY_UPDOWN: Ten-GigabitEthernet1/0/2 link
status is DOWN.
%Jul 12 08:29:17:800 2014 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface
Ten-GigabitEthernet1/0/2 is DOWN.
%Jul 12 08:29:25:004 2014 DeviceA IFNET/3/PHY_UPDOWN: Ten-GigabitEthernet1/0/1 link
status is UP.
%Jul 12 08:29:25:005 2014 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface
Ten-GigabitEthernet1/0/1 is UP.
%Jul 12 08:29:25:893 2014 DeviceA IFNET/3/PHY_UPDOWN: Ten-GigabitEthernet1/0/2 link
status is UP.
%Jul 12 08:29:25:894 2014 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface
Ten-GigabitEthernet1/0/2 is UP.
The output shows that the physical status and link status of both Ten-GigabitEthernet 1/0/1 and
Ten-GigabitEthernet 1/0/2 are down and then up.
# Display information about interface Ten-GigabitEthernet 1/0/1 on Device A.
[DeviceA]display interface ten-gigabitethernet 1/0/1
Ten-GigabitEthernet1/0/1
Current state: UP