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I am using a 2600 with priority queuing (LLQ) out a channelised E1 serial interface.I have a 320Kbps PVC. I'm generating 200 byte packets and measuring jitter. I'm also sending low priority traffic (1500 byte packets) that is being fragmented. The fr...
Hi there,Does anyone know what causes overflow cell discards on a con in a BPX? No random guess replies, please.When I display on a BPX a connection's statistics, using dspchstats <con>, I am seeing on occasion a non-zero (and incrementing) count for...
Hi sorry. The FRTS was enabled (I left it out of the original post).With regard to the Bc problem, firstly if Tc = 17ms I would expect my jitter results to be 17ms, not 11ms as found.Secondly, if the line rate of the serial controller is 320Kbps, the...
Good question! I can't help you with ARP, but I find powering down and powering up a 2600 sometimes makes sense of really stupid situations - like ethernet-to-ethernet transfers introducing 30ms of jitter (back to zero after a reboot).Other times I f...
A telco should, in general, guarantee you SCR (sustained cell rate). If you transmit above the SCR the telco generally has the right to discard any of your traffic until your average rate is SCR. If the telco is nice they'll let you transmit up to PC...
Mixing T1s and E1s. Fun.Anyway, I presume that LMI is standing on each access circuit? Is this correct? When you "show frame-relay pvc [dlci]" do you get something sensible?When you do "show interface" (on the serial interfaces) are you seeing unknow...
Maybe I'm way off base again, but are you trying to do a back-to-back solution? Anyway, that's what I've tried and on one of the routers I did this: interface Serial0/0 bandwidth 500 no ip address encapsulation frame-relay IETF clockrate 500000 ...
