I got several packet loss when I try to ping a loopback interface (both external & internal loopback) with repeat count = 10000 & packet size = 100. Could anyone tell me why?
Router model: cisco 12410
IOS version: 12.0(26)S5
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XXXXXXXXXX# ping ip
Target IP address: xx.xx.xx.xx
Repeat count [5]: 10000
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: xx.xx.xx.xx
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 10000, 100-byte ICMP Echos to xx.xx.xx.xx, timeout is 2 seconds:
~~~
Success rate is 99 percent (9991/10000), round-trip min/avg/max = 1/1/216 ms
========================
interface POSx/x
ip address xx.xx.xx.xx xx.xx.xx.xx
no ip redirects
no ip directed-broadcast
no ip proxy-arp
ip ospf cost 9999
load-interval 30
tag-switching ip
crc 32
pos framing sdh
pos flag s1s0 2
no cdp enable
end
