eine andere alternative wäre der draytek vigor 120 annex a
http://www.store.ctn-systeme.de/draytek ... modem.html
dann könnte sich der cisc mit pppoe einwählen:
viewtopic.php?f=20&t=53500&p=439726&#p439622
lg
zid
- du hast dich bei deiner verschleierungsaktion vertan, und es wird doch ein /30er netz durchgeroutet
sollte ein overlay vorliegen- und damit meine ich, daß das tg eine grundverbindung aufbaut, über die dann ein pptp-tunnel für den eigentlichen traffic gelegt wird, dann inode ersuchen, dieses unnötige konstrukt zu beseitigen und direkt zu routen.
im notfall könnt ich dir im austausch ein vorkonfiguriertes ding zukommen lassen
service internal
logging buffered 64000
interface Ethernet0
ip address 10.0.0.140 255.255.255.0
no crypto map VPNMAP
interface Loopback0
ip address <WAN-GW> 255.255.255.255 secondary
ip address <WAN-IP vom Eth0> 255.255.255.255
crypto map VPNMAP local-address Lo0
vpdn enable
!
vpdn-group pptp
request-dialin
protocol pptp
pool-member 1
initiate-to ip 10.0.0.138
!
interface Dialer0
no shutdown
ip address negotiated
encapsulation ppp
dialer pool 1
dialer string 1234
dialer vpdn
dialer-group 1
no cdp enable
ppp chap hostname <username>
ppp chap password <password>
crypto map VPNMAP
!
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip route 0.0.0.0 0.0.0.0 <WAN-GW>
do show running-config | append flash:conf.txt
do show ip int brie | append flash:shintbr.txt
do show vpdn | append flash:shvpdn.txt
do show crypto isa sa det | append flash:shcrypto.txt
do sh int | append flash:shint.txt
do sh logg | append flash:shlog.txt
#more flash:shvpdn.txt
%No active L2TP tunnels
%No active L2F tunnels
PPTP Tunnel and Session Information Total tunnels 1 sessions 1
LocID Remote Name State Remote Address Port Sessions VPDN Group
2 10.0.0.138 wt-cnnct 10.0.0.138 1723 1 pptp
LocID RemID TunID Intf Username State Last Chg Uniq ID
2 0 2 Vi1 wt-tun never n/a
a) in dem zip-paket mit der firmware ist meistens auch in pdf mit dem changelog und mit hinweisen fuers upgrade. vielleicht steht da was ueber moegliche fallen bei genau dieser version drinnen. sicher steht drinnen, welche bugs gefixt wurden.
Modifications in V3.61(JF.1)b1 | 03/17/2005
(...)
5. [BUG FIX]
Symptom: PPtP will drop when higher DSL-Speed as 768/128
!
service internal
!
...
! *** das war das prob! ***
ip cef
!
...
vpdn enable
!
vpdn-group ST
request-dialin
protocol pptp
pool-member 2
initiate-to ip 10.0.0.138
!
...
interface FastEthernet0/0.1
encapsulation dot1Q 1 native
ip address 192.168.1.2 255.255.255.0
ip nat inside
ip tcp adjust-mss 1440
no cdp enable
!
interface FastEthernet0/1.1
encapsulation dot1Q 1 native
ip address 10.0.0.1 255.255.255.0
no cdp enable
!
...
!
interface Dialer1
mtu 1460
ip address negotiated
no ip redirects
no ip unreachables
ip nat outside
ip virtual-reassembly in
encapsulation ppp
dialer pool 2
dialer string 1
dialer vpdn
dialer-group 1
ppp authentication chap callin
ppp chap hostname xxx
ppp chap password 0 xxx
no cdp enable
!
ip nat inside source list masquerade-ppp interface Dialer1 overload
ip route 0.0.0.0 0.0.0.0 Dialer1 5
!
...
ip access-list standard masquerade-ppp
permit 192.168.1.0 0.0.0.255
!
...
!
dialer-list 1 protocol ip permit
!
Rou18(config-if)#no shu
Rou18(config-if)#
.Aug 9 05:32:14.010: %LINK-3-UPDOWN: Interface Dialer1, changed state to up
.Aug 9 05:32:23.397: %LINK-3-UPDOWN: Interface Virtual-Access3, changed state to up
.Aug 9 05:32:23.397: %DIALER-6-BIND: Interface Vi3 bound to profile Di1
.Aug 9 05:32:23.397: Vi3 PPP: Sending cstate UP notification
.Aug 9 05:32:23.397: Vi3 PPP: Processing CstateUp message
.Aug 9 05:32:23.401: PPP: Alloc Context [66947BB8]
.Aug 9 05:32:23.401: ppp75 PPP: Phase is ESTABLISHING
.Aug 9 05:32:23.401: Vi3 PPP: Using dialer call direction
.Aug 9 05:32:23.401: Vi3 PPP: Treating connection as a callout
.Aug 9 05:32:23.401: Vi3 PPP: Session handle[4A000051] Session id[75]
.Aug 9 05:32:23.401: Vi3 LCP: Event[OPEN] State[Initial to Starting]
.Aug 9 05:32:23.401: Vi3 PPP: No remote authentication for call-out
.Aug 9 05:32:23.401: Vi3 LCP: O CONFREQ [Starting] id 1 len 14
.Aug 9 05:32:23.401: Vi3 LCP: MRU 1460 (0x010405B4)
.Aug 9 05:32:23.405: Vi3 LCP: MagicNumber 0x810D5DEC (0x0506810D5DEC)
.Aug 9 05:32:23.405: Vi3 LCP: Event[UP] State[Starting to REQsent]
.Aug 9 05:32:25.405: Vi3 LCP: O CONFREQ [REQsent] id 2 len 14
.Aug 9 05:32:25.405: Vi3 LCP: MRU 1460 (0x010405B4)
.Aug 9 05:32:25.405: Vi3 LCP: MagicNumber 0x810D5DEC (0x0506810D5DEC)
.Aug 9 05:32:25.405: Vi3 LCP: Event[Timeout+] State[REQsent to REQsent]
.Aug 9 05:32:25.425: Vi3 PPP: I pkt type 0xC021, datagramsize 22 link[ppp]
.Aug 9 05:32:25.425: Vi3 PPP: I pkt type 0xC021, datagramsize 18 link[ppp]
.Aug 9 05:32:25.425: Vi3 LCP: I CONFREQ [REQsent] id 1 len 18
.Aug 9 05:32:25.425: Vi3 LCP: MRU 1460 (0x010405B4)
.Aug 9 05:32:25.425: Vi3 LCP: AuthProto PAP (0x0304C023)
.Aug 9 05:32:25.425: Vi3 LCP: MagicNumber 0xF2AA724C (0x0506F2AA724C)
.Aug 9 05:32:25.429: Vi3 LCP: O CONFNAK [REQsent] id 1 len 9
.Aug 9 05:32:25.429: Vi3 LCP: AuthProto CHAP (0x0305C22305)
.Aug 9 05:32:25.429: Vi3 LCP: Event[Receive ConfReq-] State[REQsent to REQsent]
.Aug 9 05:32:25.429: Vi3 LCP: I CONFACK [REQsent] id 2 len 14
.Aug 9 05:32:25.429: Vi3 LCP: MRU 1460 (0x010405B4)
.Aug 9 05:32:25.429: Vi3 LCP: MagicNumber 0x810D5DEC (0x0506810D5DEC)
.Aug 9 05:32:25.429: Vi3 LCP: Event[Receive ConfAck] State[REQsent to ACKrcvd]
.Aug 9 05:32:25.449: Vi3 PPP: I pkt type 0xC021, datagramsize 23 link[ppp]
.Aug 9 05:32:25.449: Vi3 LCP: I CONFREQ [ACKrcvd] id 2 len 19
.Aug 9 05:32:25.449: Vi3 LCP: MRU 1460 (0x010405B4)
.Aug 9 05:32:25.449: Vi3 LCP: AuthProto CHAP (0x0305C22305)
.Aug 9 05:32:25.449: Vi3 LCP: MagicNumber 0xF2AA724C (0x0506F2AA724C)
.Aug 9 05:32:25.449: Vi3 LCP: O CONFACK [ACKrcvd] id 2 len 19
.Aug 9 05:32:25.449: Vi3 LCP: MRU 1460 (0x010405B4)
.Aug 9 05:32:25.449: Vi3 LCP: AuthProto CHAP (0x0305C22305)
.Aug 9 05:32:25.449: Vi3 LCP: MagicNumber 0xF2AA724C (0x0506F2AA724C)
.Aug 9 05:32:25.449: Vi3 LCP: Event[Receive ConfReq+] State[ACKrcvd to Open]
.Aug 9 05:32:25.469: Vi3 PPP: Phase is AUTHENTICATING, by the peer
.Aug 9 05:32:25.469: Vi3 LCP: State is Open
.Aug 9 05:32:25.469: Vi3 PPP: I pkt type 0xC223, datagramsize 41 link[ppp]
.Aug 9 05:32:25.469: Vi3 CHAP: I CHALLENGE id 1 len 37 from "c72-2.ix1.vie.at"
.Aug 9 05:32:25.473: Vi3 CHAP: Using hostname from interface CHAP
.Aug 9 05:32:25.473: Vi3 CHAP: Using password from interface CHAP
.Aug 9 05:32:25.473: Vi3 CHAP: O RESPONSE id 1 len 41 from "xxx"
.Aug 9 05:32:25.537: Vi3 PPP: I pkt type 0xC223, datagramsize 8 link[ppp]
.Aug 9 05:32:25.537: Vi3 PPP: I pkt type 0x8021, datagramsize 14 link[ip]
.Aug 9 05:32:25.537: Vi3 CHAP: I SUCCESS id 1 len 4
.Aug 9 05:32:25.537: Vi3 PPP: Phase is FORWARDING, Attempting Forward
.Aug 9 05:32:25.537: Vi3 PPP: Queue IPCP code[1] id[1]
.Aug 9 05:32:25.541: Vi3 PPP: Phase is ESTABLISHING, Finish LCP
.Aug 9 05:32:25.541: Vi3 PPP: Phase is UP
.Aug 9 05:32:25.541: Vi3 IPCP: Protocol configured, start CP. state[Initial]
.Aug 9 05:32:25.541: Vi3 IPCP: Event[OPEN] State[Initial to Starting]
.Aug 9 05:32:25.541: Vi3 IPCP: O CONFREQ [Starting] id 1 len 10
.Aug 9 05:32:25.541: Vi3 IPCP: Address 0.0.0.0 (0x030600000000)
.Aug 9 05:32:25.545: Vi3 IPCP: Event[UP] State[Starting to REQsent]
.Aug 9 05:32:25.545: Vi3 PPP: Process pending ncp packets
.Aug 9 05:32:25.545: Vi3 IPCP: Redirect packet to Vi3
.Aug 9 05:32:25.545: Vi3 IPCP: I CONFREQ [REQsent] id 1 len 10
.Aug 9 05:32:25.545: Vi3 IPCP: Address 77.220.110.79 (0x03064DDC6E4F)
.Aug 9 05:32:25.545: Vi3 IPCP: O CONFACK [REQsent] id 1 len 10
.Aug 9 05:32:25.545: Vi3 IPCP: Address 77.220.110.79 (0x03064DDC6E4F)
.Aug 9 05:32:25.545: Vi3 IPCP: Event[Receive ConfReq+] State[REQsent to ACKsent]
.Aug 9 05:32:25.545: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access3, changed state to up
.Aug 9 05:32:25.565: Vi3 PPP: I pkt type 0x8021, datagramsize 14 link[ip]
.Aug 9 05:32:25.565: Vi3 IPCP: I CONFNAK [ACKsent] id 1 len 10
.Aug 9 05:32:25.565: Vi3 IPCP: Address 195.x.x.217 (0x0306C310EED9)
.Aug 9 05:32:25.565: Vi3 IPCP: O CONFREQ [ACKsent] id 2 len 10
.Aug 9 05:32:25.569: Vi3 IPCP: Address 195.x.x.217 (0x0306C310EED9)
.Aug 9 05:32:25.569: Vi3 IPCP: Event[Receive ConfNak/Rej] State[ACKsent to ACKsent]
.Aug 9 05:32:25.589: Vi3 PPP: I pkt type 0x8021, datagramsize 14 link[ip]
.Aug 9 05:32:25.589: Vi3 IPCP: I CONFACK [ACKsent] id 2 len 10
.Aug 9 05:32:25.589: Vi3 IPCP: Address 195.16.238.217 (0x0306C310EED9)
.Aug 9 05:32:25.589: Vi3 IPCP: Event[Receive ConfAck] State[ACKsent to Open]
.Aug 9 05:32:25.597: Vi3 IPCP: State is Open
.Aug 9 05:32:25.597: Di1 IPCP: Install negotiated IP interface address 195.x.x.217
.Aug 9 05:32:25.601: Di1 Added to neighbor route AVL tree: topoid 0, address 77.220.110.79
.Aug 9 05:32:25.601: Di1 IPCP: Install route to 77.220.110.79
.Aug 9 05:32:25.605: Vi3 PPP: I pkt type 0x0021, datagramsize 80 link[ip]
.Aug 9 05:32:26.545: Vi3 PPP: I pkt type 0xC021, datagramsize 16 link[ppp]
.Aug 9 05:32:26.545: Vi3 LCP: I ECHOREQ [Open] id 1 len 12 magic 0xF2AA724C
.Aug 9 05:32:26.545: Vi3 LCP: O ECHOREP [Open] id 1 len 12 magic 0x810D5DEC
Rou18#ping 8.8.8.8
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/34/36 ms
Rou18#
root@sin:netu>ping -c 3 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 1999ms
root@sin:netu>
Rou18(config)#no ip cef
root@sin:netu>ping -c 3 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=51 time=34.9 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=51 time=34.2 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=51 time=34.3 ms
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 34.242/34.520/34.972/0.322 ms
root@sin:netu>
jetzt bin ich endlich auf die "glorreiche" idee gekommen, die packets zu tracen, und dazu muß man am cisc die beschleunigungsmechanismen deaktivieren, sodaß die packerl über die cpu gehen
=>systemlog show
...
<132> Aug 11 00:48:45 PPTP tunnel (PVC_DATA) down
<132> Aug 11 00:48:56 PPTP tunnel (PVC_DATA) up
<132> Aug 11 02:00:04 PPTP tunnel (PVC_DATA) down
<132> Aug 11 02:00:05 PPTP tunnel (PVC_DATA) up
<132> Aug 11 03:07:44 PPTP tunnel (PVC_DATA) down
<132> Aug 11 03:07:48 PPTP tunnel (PVC_DATA) up
<132> Aug 11 04:10:20 PPTP tunnel (PVC_DATA) down
<132> Aug 11 04:10:40 PPTP tunnel (PVC_DATA) up
<132> Aug 11 05:40:05 PPTP tunnel (PVC_DATA) down
<132> Aug 11 05:40:25 PPTP tunnel (PVC_DATA) up
<132> Aug 11 06:54:28 PPTP tunnel (PVC_DATA) down
<132> Aug 11 06:54:41 PPTP tunnel (PVC_DATA) up
<132> Aug 11 08:24:33 PPTP tunnel (PVC_DATA) down
<132> Aug 11 08:24:39 PPTP tunnel (PVC_DATA) up
<132> Aug 11 09:38:45 PPTP tunnel (PVC_DATA) down
<132> Aug 11 09:38:56 PPTP tunnel (PVC_DATA) up
<132> Aug 11 10:39:45 PPTP tunnel (PVC_DATA) down
<132> Aug 11 10:40:03 PPTP tunnel (PVC_DATA) up
...
! *** vor dem tunnelabbau das letzte, erfolgreiche lcp echorq/echorp, id 144
Aug 10 14:02:09.044: Vi1 LCP: O ECHOREQ [Open] id 144 len 12 magic 0x2573D04C
Aug 10 14:02:09.060: Vi1 PPP: I pkt type 0xC021, datagramsize 16 link[ppp]
Aug 10 14:02:09.060: Vi1 LCP: I ECHOREP [Open] id 144 len 12 magic 0xF942DCE1
Aug 10 14:02:09.060: Vi1 LCP: Received id 144, sent id 144, line up
! *** das ist diese seltsame meldung vor dem tunnelabbau.
Aug 10 14:02:12.628: Vi1 PPP DISC: Authentication configuration changed
Aug 10 14:02:12.628: PPP: NET STOP send to AAA.
Aug 10 14:02:12.628: %DIALER-6-UNBIND: Interface Vi1 unbound from profile Di1
Aug 10 14:02:12.628: Vi1 PPP: Block vaccess from being freed [0x10]
.Aug 10 14:02:12.632: Di1 Deleted neighbor route from AVL tree: topoid 0, address 77.220.110.79
.Aug 10 14:02:12.632: Di1 IPCP: Remove route to 77.220.110.79
.Aug 10 14:02:12.640: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to down
.Aug 10 14:02:12.640: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to down
! *** der pppd kriegt nicht mit, daß das intf Vi1 down ist. er macht munter
! *** mit den echorqs weiter (ids 145 und 146 passen) und zählt nur hoch -> echo_cnt 2
.Aug 10 14:02:19.059: Vi1 LCP: O ECHOREQ [Open] id 145 len 12 magic 0x2573D04C
.Aug 10 14:02:29.074: Vi1 LCP: O ECHOREQ [Open] id 146 len 12 magic 0x2573D04C
.Aug 10 14:02:29.074: Vi1 LCP: echo_cnt 2, sent id 146, line up
.Aug 10 14:02:38.646: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up
.Aug 10 14:02:38.646: %DIALER-6-BIND: Interface Vi1 bound to profile Di1
.Aug 10 14:02:38.650: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up
! *** das Vi1 ist up, und die echorq wird von der gegenstelle beantwortet.
! *** da das lcp-echo-failure nicht erreicht wurde, war der ppp-link für den
! *** pppd nie tot. es gibt keine neue einwahl.
.Aug 10 14:02:39.090: Vi1 LCP: O ECHOREQ [Open] id 147 len 12 magic 0x2573D04C
.Aug 10 14:02:39.090: Vi1 LCP: echo_cnt 3, sent id 147, line up
.Aug 10 14:02:39.106: Vi1 PPP: I pkt type 0xC021, datagramsize 16 link[ppp]
.Aug 10 14:02:39.110: Vi1 LCP: I ECHOREP [Open] id 147 len 12 magic 0xF942DCE1
.Aug 10 14:02:39.110: Vi1 LCP: Received id 147, sent id 147, line up
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