[c-nsp] PPPoE multilink question

[Leto Tokarev]

Dear members!

Test scenario:

3640 (server) connected to a 1721 (client) with two cross-cable, running
PPPoE.

I'd like to bundle this two.

PPPoE + the multilink itself seems good:

1720#sh ppp multilink

Virtual-Access3, bundle name is 3600
  Bundle up for 00:03:29, 1/255 load
  Receive buffer limit 24384 bytes, frag timeout 1741 ms
  Dialer interface is Dialer1
    0/0 fragments/bytes in reassembly list
    0 lost fragments, 0 reordered
    0/0 discarded fragments/bytes, 0 lost received
    0x0 received sequence, 0x35 sent sequence
  Member links: 2 (max not set, min not set)
    Vi1, since 00:03:29
    Vi2, since 00:03:27


Unfortunately the bundle has got no IP address. Seems 1720 can't hear the
IPCP traffic 

What have I missed? 
TIA;;


Leto
--



3640 (server) config:


username b1 password 0 b1
!
multilink virtual-template 1
vpdn enable
!
vpdn-group dsl
 accept-dialin
  protocol pppoe
  virtual-template 1
!
interface Ethernet0/0
 pppoe enable
!         
interface Ethernet1/0
 pppoe enable
!         
interface Virtual-Template1
 ip unnumbered Loopback0
 ip mtu 1492
 peer default ip address pool dsl-pool
 ppp authentication pap
 ppp multilink
!         
ip local pool dsl-pool 192.168.99.1 192.168.99.100

=======================================

1720 (client) config:


vpdn enable
!         
vpdn-group dsl
 request-dialin
  protocol pppoe
!         
interface Ethernet0
 pppoe enable
 pppoe-client dial-pool-number 1
!         
interface Ethernet1
 pppoe enable
 pppoe-client dial-pool-number 1
!         
interface Dialer1
 mtu 1492 
 ip address negotiated
 encapsulation ppp
 ip tcp adjust-mss 1452
 dialer pool 1
 dialer persistent
 dialer-group 1
 ppp pap sent-username b1 password 0 b1
 ppp multilink
!         

=====================================================


3640 deb ppp nego:

00:33:16: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up
00:33:16: Vi1 MLP: Added first link Vi2 to bundle b1
00:33:16: Vi1 MLP: Added link Vi3 to bundle b1
00:33:16: Vi1 PPP: Phase is UP
00:33:16: Vi1 IPCP: O CONFREQ [Closed] id 1 len 10
00:33:16: Vi1 IPCP:    Address 10.10.10.1 (0x03060A0A0A01)
00:33:16: Vi1 PPP: Pending ncpQ size is 2
00:33:16: Vi2 IPCP: Redirect packet to Vi2
00:33:16: Vi1 IPCP: I CONFREQ [REQsent] id 1 len 10
00:33:16: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
00:33:16: Vi1 AAA/AUTHOR/IPCP: Start.  Her address 0.0.0.0, we want
0.0.0.0
00:33:16: Vi1 AAA/AUTHOR/IPCP: Done.  Her address 0.0.0.0, we want 0.0.0.0
00:33:16: Vi1 IPCP: Pool returned 192.168.99.1
00:33:16: Vi1 IPCP: O CONFNAK [REQsent] id 1 len 10
00:33:16: Vi1 IPCP:    Address 192.168.99.1 (0x0306C0A86301)
00:33:18: Vi1 IPCP: I CONFREQ [REQsent] id 2 len 10
00:33:18: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
00:33:18: Vi1 IPCP: O CONFNAK [REQsent] id 2 len 10
00:33:18: Vi1 IPCP:    Address 192.168.99.1 (0x0306C0A86301)
00:33:18: Vi1 IPCP: TIMEout: State REQsent
00:33:18: Vi1 IPCP: O CONFREQ [REQsent] id 2 len 10
00:33:18: Vi1 IPCP:    Address 10.10.10.1 (0x03060A0A0A01)
00:33:20: Vi1 IPCP: I CONFREQ [REQsent] id 3 len 10
00:33:20: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
00:33:20: Vi1 IPCP: O CONFNAK [REQsent] id 3 len 10
00:33:20: Vi1 IPCP:    Address 192.168.99.1 (0x0306C0A86301)
00:33:20: Vi1 IPCP: TIMEout: State REQsent
00:33:20: Vi1 IPCP: O CONFREQ [REQsent] id 3 len 10
00:33:20: Vi1 IPCP:    Address 10.10.10.1 (0x03060A0A0A01)
00:33:22: Vi1 IPCP: I CONFREQ [REQsent] id 4 len 10
00:33:22: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
00:33:22: Vi1 IPCP: O CONFNAK [REQsent] id 4 len 10
00:33:22: Vi1 IPCP:    Address 192.168.99.1 (0x0306C0A86301)
00:33:22: Vi1 IPCP: TIMEout: State REQsent
00:33:22: Vi1 IPCP: O CONFREQ [REQsent] id 4 len 10
00:33:22: Vi1 IPCP:    Address 10.10.10.1 (0x03060A0A0A01)
00:33:24: Vi1 IPCP: I CONFREQ [REQsent] id 5 len 10
00:33:24: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
00:33:24: Vi1 IPCP: O CONFNAK [REQsent] id 5 len 10
00:33:24: Vi1 IPCP:    Address 192.168.99.1 (0x0306C0A86301)
00:33:24: Vi1 IPCP: TIMEout: State REQsent
00:33:24: Vi1 IPCP: O CONFREQ [REQsent] id 5 len 10
00:33:24: Vi1 IPCP:    Address 10.10.10.1 (0x03060A0A0A01)
00:33:26: Vi1 IPCP: I CONFREQ [REQsent] id 6 len 10
00:33:26: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
00:33:26: Vi1 IPCP: O CONFREJ [REQsent] id 6 len 10
00:33:26: Vi1 IPCP:    Address 0.0.0.0 (0x030600000000)
...


1720:

*Mar  1 00:23:51.039: Vi3 MLP: Added first link Vi1 to bundle 3600
*Mar  1 00:23:53.027: Vi3 MLP: Added link Vi2 to bundle 3600
*Mar  1 00:23:53.031: Vi2 PPP: Process pending ncp packets
*Mar  1 00:23:53.043: Vi3 IPCP: TIMEout: State REQsent
*Mar  1 00:23:53.043: Vi3 IPCP: O CONFREQ [REQsent] id 2 len 10
*Mar  1 00:23:53.043: Vi3 IPCP:    Address 0.0.0.0 (0x030600000000)
*Mar  1 00:23:55.059: Vi3 IPCP: TIMEout: State REQsent
*Mar  1 00:23:55.059: Vi3 IPCP: O CONFREQ [REQsent] id 3 len 10
*Mar  1 00:23:55.059: Vi3 IPCP:    Address 0.0.0.0 (0x030600000000)
*Mar  1 00:23:57.075: Vi3 IPCP: TIMEout: State REQsent
*Mar  1 00:23:57.075: Vi3 IPCP: O CONFREQ [REQsent] id 4 len 10
*Mar  1 00:23:57.075: Vi3 IPCP:    Address 0.0.0.0 (0x030600000000)
...