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分类: 系统运维

2006-07-26 11:54:37

1,Interface is administratively down; line protocol is down
  a,The interface has been placed in shutdown via a configration command
  b,Duplicate IP addresses are not allowed, and one of the two interfaces with the same IP address will be shut down
 
2,Interface is down; line protocol is down
  a,Improper cabling
  b,No carrier signal from local provider
  c,Hardware failure
  d,Clocking
 
3,Interface is up; line protocol is down
  a,Misconfigured interface, local or remote
  b,Local provider problem
  c,Keepalive sequencing not incrementing
  d,Hardware failures
  e,Noisy line
  f,Timing mismatches
  g,L2 issues such as LMI
 
4,Interface is up; line protocol is up(looped)
The circuit is in loopback somewhere
 
5,Incrementing carrier transition counter
  a,Unstable signaling coming from the local provider
  b,Faulty cabling
  c,Failing hardware(for example, interface or CSU/DSU)
6,Incrementing interface resets
  a,Faulty cabling, causing the loss of the CD signal
  b,Hardware failure
  c,Line congestion
7,Input drops, errors, CRC, and framing errors
  a,Line speed oversubscribes the router interface capacity
  b,Local provider problem
  c,Noisy line
  d,Faulty cabling
  e,Improper cabling
  f,Failing hardware
 
8,Output drops
The interface is capable of transmitting at higher than line speed

 
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