[asterisk-users] Correct latency values in "sip show peers"

Rolz kyoorius at techfreakz.org
Thu Mar 29 22:41:35 MST 2007


I was wondering if anyone knows how accurate the values are when you do a
"sip show peers" from the CLI.

My configuration is:

Asterisk box (192.168.1.102) -> gigabit switch <- PC running x-lite 
(192.168.1.100)

the CLI reports 101 ms delay
however, ping is showing <1ms delay
Where is the extra 100ms coming from? The softphone response?

Here is a dump of some data:

CLI> sip show peers
Name/username              Host            Dyn Nat ACL Port     Status
2006/2006                  192.168.1.110    D          5060     OK (10 ms)
2005/2005                  192.168.1.110    D          5060     OK (10 ms)
2004/2004                  192.168.1.100    D          29786    OK (101 ms)
2003/2003                  192.168.1.106    D   N      12700    OK (219 ms)
2001                       (Unspecified)    D   N      0        UNKNOWN
5 sip peers [Monitored: 4 online, 1 offline Unmonitored: 1 online, 0 
offline]

# traceroute 192.168.1.100
traceroute to 192.168.1.100 (192.168.1.100), 30 hops max, 40 byte packets
 1  rolan6 (192.168.1.100)  0.069 ms   0.069 ms   0.074 ms

# ping 192.168.1.100
PING 192.168.1.100 (192.168.1.100) 56(84) bytes of data.
64 bytes from 192.168.1.100: icmp_seq=1 ttl=128 time=0.086 ms
64 bytes from 192.168.1.100: icmp_seq=2 ttl=128 time=0.111 ms
64 bytes from 192.168.1.100: icmp_seq=3 ttl=128 time=0.246 ms
64 bytes from 192.168.1.100: icmp_seq=4 ttl=128 time=0.319 ms
64 bytes from 192.168.1.100: icmp_seq=5 ttl=128 time=0.106 ms
64 bytes from 192.168.1.100: icmp_seq=6 ttl=128 time=0.215 ms

--- 192.168.1.100 ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 4999ms
rtt min/avg/max/mdev = 0.086/0.180/0.319/0.086 ms








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