856 | Intermediate System to Intermediate System (IS-IS)
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Parameters
 
Command Modes
EXEC
EXEC Privilege
Example
Figure 28-7.  Command Example: show isis interface (Partial) 
show isis neighbors
e
Display information about neighboring (adjacent) routers.
Syntax
show isis neighbors [level-1 | level-2] [detail] [interface]
Parameters
 
interface
(OPTIONAL) Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword 
GigabitEthernet followed 
by the slot/port information. 
• For Loopback interface, enter the keyword
 loopback followed by a number from 
zero (0) to 16383.
• For a Port Channel interface, enter the keyword 
port-channel followed by a 
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 512 for 
ExaScale. 
• For a SONET interface, enter the keyword 
sonet followed by the slot/port 
information. 
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet 
followed by the slot/port information. 
• For a VLAN, enter the keyword 
vlan followed by a number from 1 to 4094.
FTOS>show isis int
GigabitEthernet 0/7 is up, line protocol is up
  MTU 1497, Encapsulation SAP
  Routing Protocol: IS-IS
    Circuit Type: Level-1-2
    Interface Index 37847070, Local circuit ID 1
    Level-1 Metric: 10, Priority: 64, Circuit ID: systest-3.01
            Hello Interval: 10, Hello Multiplier: 3, CSNP Interval: 10
    Number of active level-1 adjacencies: 1
    Level-2 Metric: 10, Priority: 64, Circuit ID: systest-3.01
            Hello Interval: 10, Hello Multiplier: 3, CSNP Interval: 10
    Number of active level-2 adjacencies: 1
    Next IS-IS LAN Level-1 Hello in 2 seconds
    Next IS-IS LAN Level-2 Hello in 1 seconds
    LSP Interval: 33
GigabitEthernet 0/8 is up, line protocol is up
  MTU 1497, Encapsulation SAP
  Routing Protocol: IS-IS
    Circuit Type: Level-1-2
    Interface Index 38371358, Local circuit ID 2
    Level-1 Metric: 10, Priority: 64, Circuit ID: systest-3.02
            Hello Interval: 10, Hello Multiplier: 3, CSNP Interval: 10
    Number of active level-1 adjacencies: 1
    Level-2 Metric: 10, Priority: 64, Circuit ID: systest-3.02
            Hello Interval: 10, Hello Multiplier: 3, CSNP Interval: 10
--More--
level-1
(OPTIONAL) Displays information about Level 1 IS-IS neighbors.
level-2
(OPTIONAL) Displays information about Level 2 IS-IS neighbors.