Hi Everyone,
I am having a bit of trouble understanding the following behavior, i hope
you can help.
I have a physical frame-relay interface. On it, i have applied a map-class
to a DLCI.
The only thing that is in the map-class to begin with is:
map-class frame-relay R1-R2
frame-relay cir 128000
The output of the: show traffic-shape
R1#sh traffic-shape
Interface Se0/0
Access Target Byte Sustain Excess Interval Increment Adapt
VC List Rate Limit bits/int bits/int (ms) (bytes)
Active
102 128000 2000 128000 0 125 2000 -
According to all the documentation i have been able to find, the
interpretation of the fields in this command is:
Byte-Limit = Bc+Be
Sustain = Bc
Excess = Be
Interval = Refill rate.
But if that should be the interpretation, then i would assume the sustain
should be: 16000, be = 0, and refill = 2000.
If you should believe the above sustain, then you would send out 1024000
(128000 * 8 (since Tc is .125)) each second.
If i alter my map-class:
map-class frame-relay R1-R2
frame-relay cir 128000
frame-relay bc 16000
it shows:
R1(config-map-class)#do sh traffic-shape
Interface Se0/0
Access Target Byte Sustain Excess Interval Increment Adapt
VC List Rate Limit bits/int bits/int (ms) (bytes)
Active
102 128000 2000 16000 0 125 2000 -
which is correct.
Whats up with this?
Thanks!
Kim Pedersen
--
// Freedom Matters
// Follow my progress on http://kpjungle.wordpress.com
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit
www.ipexpert.com
