Intermec 6400 User Manual page 103

SECTION 3
Condition Message and Interpretation
Cannot reach
"
host (continued)
"
"
Packet not If the IP router could not forward a packet
forwarded and returned an ICMP message, you may get
the following message:
Ping failed: Network unreachable.
The message indicates that the destination
address is nonexistent or that a network link
between your 6400 computer and the
destination is not available.
TTL = 0 If the IP time to live field in a datagram
reaches zero before the datagram reaches the
final destination, you may get the following
message:
Ping failed: got ICMP error: Time
to Live exceeded.
This condition can occur if the TTL value is
less than 64.
Troubleshooting Network Connections
Table 3 1 (Continued)
Ping Messages
Your default router does not have a router
table entry for your target IP host.
Your default router has a router table
entry for your target IP host, but deter
mines that it cannot find the optimal path
way for accessing your target IP host; your
router sends your packet to the destination
anyway. Your router also sends an ICMP
redirect message back to the source node
(the 6400 computer) that suggests the
optimal routing path.
NOTE: This does not signal that an error has
occurred, but indicates that you could more
efficiently transmit your packets by using a
different router.
6400 Computer TCP/IP Client User's Guide 3-13