For testing, I send a huge message via SMTP. This traffic has 128k reserved in the policy map.
Meanwhile, I send a huge message via webmail over the DSL so the uplink gets full. I don't reserve banwidth for that. When this starts, the other traffic slow down the speed to 40kbps aprox (so reservation does not work) and I see how the ATM interface reports output drops.
When I query the state of the policy map applied to the interface (show policy-map interface dialer 1) I see matches over the class map but no matches over the queue (pkts matched/bytes matched).
If I query the Dialer queue (show queue dialer 1) I see it's always empty but if I query the ATM queue I can see the wfq queue with both conversations.
If you try similar confs you'll see the same.
Could be probably a bug or an error configuration? Which conf would work correctly?
Re: Sample conf about 837 that does not work correctly
First of all, thanks for replying.
The info you requested is attached.
This router is connected to a ISP so can't negotiate the LFI feature, but I think this would be independent of the CBWFQ.
I've noticed too that the queueing mechanism in the Dialer interface (weighted fair) is not cloned to the Virtual-Access. I've tried to upgrade the IOS too to the latest 11.3T version but still not working.
Instead, I've tried it with a Virtual Template and it works, but I have problems with the negotiated IP address and the NAT feature.
I've found the following technote, where you can read: ...the DSL interfaces do not support service policies that apply fancy queueing since these interfaces do not implement the "back-pressure algorithm" necessary to signal that excess packets should be queued by the Layer 3 (L3) queueing system.
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