[VLAN] PPPoE over vlan interface problem

Brian Lu lyt0112 at creek.com.tw
Wed May 23 00:04:03 PDT 2007


Hi~

I created 2 vlan interface on my pc:eth2.2 & eth2.3
I also created 2 vlan tag(2 & 3) on vlan switch...
I have 2 ISP links:Tag2=A_Net & Tag3=B_Net connected on switch;My OS is Fedora 5
Topology:PC=>Switch=>ISP's Modem

When I use dhcp client software to get eth2.2 and eth2.3's IP,I can get them correctly.
But If I ask ISP to change the links become PPPoE...I always get error message...


Debug Message: 
--------------------------------------------- 
* The following section shows the pppd command we will invoke 
pppd invocation 
/usr/sbin/pppd pty '/usr/sbin/pppoe -p /var/run/pppoe.conf3-pppoe.pid.pppoe -I eth2.3 -T 120 -U -m 1412 ' noipdefault persist noauth default-asyncmap defaultroute hide-password nodetach mtu 1492 mru 1492 noaccomp nodeflate nopcomp novj novjccomp user ac01119424 lcp-echo-interval 30 lcp-echo-failure 4 debug 
--------------------------------------------- 
using channel 4 
Using interface ppp2 
Connect: ppp2 <--> /dev/pts/4 
Warning - secret file /etc/ppp/pap-secrets has world and/or group access 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0xc7104a84>] 
LCP: timeout sending Config-Requests 
Connection terminated. 
using channel 5 
Using interface ppp2 
Connect: ppp2 <--> /dev/pts/5 
Waiting for 2 child processes... 
script /usr/sbin/pppoe -p /var/run/pppoe.conf3-pppoe.pid.pppoe -I eth2.3 -T 120 -U -m 1412 -D /tmp/pppoe-debug-11189/pppoe-debug.txt-0, pid 11524 
script /usr/sbin/pppoe -p /var/run/pppoe.conf3-pppoe.pid.pppoe -I eth2.3 -T 120 -U -m 1412 -D /tmp/pppoe-debug-11189/pppoe-debug.txt-0, pid 11254 
Warning - secret file /etc/ppp/pap-secrets has world and/or group access 
sent [LCP ConfReq id=0x2 <mru 1492> <magic 0xd6886e5c>] 
pppoe: Timeout waiting for PADO packets 
Script /usr/sbin/pppoe -p /var/run/pppoe.conf3-pppoe.pid.pppoe -I eth2.3 -T 120 -U -m 1412 -D /tmp/pppoe-debug-11189/pppoe-debug.txt-0 finished (pid 11254), status = 0x1 
sent [LCP ConfReq id=0x2 <mru 1492> <magic 0xd6886e5c>] 
sending SIGTERM to process 11524 
tcflush failed: Bad file descriptor 
--------------------------------------------- 
* The following section is a dump of the packets 
* sent and received by rp-pppoe. If you don't see 
* any output, it's an Ethernet driver problem. If you only 
* see three PADI packets and nothing else, check your cables 
* and modem. Make sure the modem lights flash when you try 
* to connect. Check that your Ethernet card is in 
* half-duplex, 10Mb/s mode. If all else fails, 
* try using pppoe-sniff. 
rp-pppoe debugging dump 
rp-pppoe-3.8 
02:51:47.213 SENT PPPoE Discovery (8863) PADI sess-id 0 length 12 
SourceAddr 00:14:b7:00:08:73 DestAddr ff:ff:ff:ff:ff:ff 
01 01 00 00 01 03 00 04 04 2d 00 00 .........-..

Who can help me??? 

thank you very much...



Best regards, 
Brian Lu
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