I am setting up a two T1 multilink on leased lines. SInce the site has VoIP I want to set up the Multiclass. I have applied the following configurations:
! interface Multilink1 ip address 172.23.0.17 255.255.255.252 ppp multilink ppp multilink interleave ppp multilink group 1 ppp multilink fragment delay 20 ppp multilink multiclass ! interface Serial2/0 no ip address encapsulation ppp fair-queue serial restart-delay 0 ppp multilink ppp multilink group 1 ppp multilink multiclass ! interface Serial2/2 no ip address encapsulation ppp fair-queue serial restart-delay 0 ppp multilink ppp multilink group 1 ppp multilink multiclass !
The documentation I have been able to find says to set up 'ppp multilink interleave'. However when I do the 'show ppp multilink' it shows that interleaving is disabled. I am trying to understand this behavior. Is this indicating that standard interleaving is disabled because the Multiclass has control of the interleave or is there an error in my configuration?
I have also found contradicting documentation on the 'fair-queue' configuration. One document says to disable it and another says to enable it. Does anyone have experience with this?
FYI...I am labbing this on GNS3 initially, so if anyone knows of an odd behavior between Dynamips and Mulitclass Multilink PPP I'd appreciate the heads up.
Crt01#sh ppp multilink
Multilink1 Bundle name: Remote1Ert01 Remote Endpoint Discriminator:  Remote1Ert01 Local Endpoint Discriminator:  Crt01 Bundle up for 00:01:50, total bandwidth 3088, load 1/255, 2 receive classes, 2 transmit classes Receive buffer limit 24000 bytes per class, frag timeout 1000 ms Interleaving disabled Receive Class 0: 0/0 fragments/bytes in reassembly list 0 lost fragments, 1 reordered 0/0 discarded fragments/bytes, 0 lost received 0x2B received sequence Receive Class 1: 0/0 fragments/bytes in reassembly list 0 lost fragments, 0 reordered 0/0 discarded fragments/bytes, 0 lost received 0x0 received sequence Transmit Class 0: 0x2B sent sequence Transmit Class 1: 0x0 sent sequence Member links: 2 active, 0 inactive (max not set, min not set) Se2/0, since 00:01:52, 3860 weight, 1496 frag size Se2/2, since 00:01:52, 3860 weight, 1496 frag size No inactive multilink interfaces
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