Chapter 6
Meters, queues and IPQoS
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The table below shows the delay a packet can experience depending on the MTU and
link speed.
The higher the MTU the higher the delay will be. Also the lower the bandwidth the
higher the delay.
EF stats command The ef stats command is used to display the statistics of the ef meter.
The output of this command will look like this :
EF list command The ef list command displays all the ef meters configured.
The output of this command will look like this:
MTU
64
Bytes
128
Bytes
256
Bytes
512
Bytes
1024
Bytes
1500
Bytes
56
kb/s 9ms 18ms 36ms 72ms 144ms 214ms
64
kb/s 8ms 16ms 32ms 64ms 128ms 187ms
128
kb/s 4ms 8ms 16ms 32ms 64ms 93ms
256
kb/s 2ms 4ms 8ms 16ms 32ms 48ms
512
kb/s 1ms 2ms 4ms 8ms 16ms 23ms
768
kbps
640µse
c1.2ms 2.6ms 5ms 10ms 15ms
Line Speed{Administrator}=>:ipqos ef stats
Interface State Remain
(ms)
loop disabled 0
Internet disabled 0
lan1 disabled 0
{Administrator}=>:ipqos ef list
Interface State Timeout MTU
(ms) (bytes)
loop disabled 1000 65535
Internet disabled 1000 1500
lan1 disabled 1000 1500