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Copyright © 2010, Juniper Networks, Inc.
sweep-sizes—Enables you to vary the sizes of the echo packets being sent. This
capability is useful for determining the minimum sizes of the MTUs configured on
the nodes along the path to the destination address. Determining the minimum size
reduces packet fragmentation, which contributes to performance problems. The
default is not to sweep (all packets are the same size).
timeout—Sets the number of seconds to wait for an ICMP echo reply packet before
the connection attempt times out.
ttl—Sets the time-to-live hop count in the range 1–255; the default is 32.
The following characters can appear in the display after issuing the ping command:
!—Reply received
.—Timed out while waiting for a reply
?—Unknown packet type
A—Address mask request message
a—Address mask reply message
D—Router discovery advertisement message
d—Router discovery request message
H—Host unreachable
I—Information request message
i—Information reply message
L—TTL expired message
M—Could not fragment, DF bit set
m—Parameter problem message
N—Network unreachable
P—Protocol unreachable
Q—Source quench
r—Redirect message
T—Timestamp request message
t —Timestamp reply message
U—Destination unreachable
Example
host1(config)#interface serial 5/2:1/1
host1(config-if)#ip address 172.16.1.1 255.255.255.0
Chapter 1: Configuring IP
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