cisco3745 encapsulation failed
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12-03-2003 02:38 AM - edited 03-02-2019 12:06 PM
Hi,
I have a Cisco3745 running IOS 12.2(15)T9
There are E1 interfaces and MICA modems inserted.
It doesn't work if I try to dial in. I always get this debug output:
*Mar 1 02:03:58: IP: s=10.38.255.11 (Async87), d=192.1.1.2 (FastEthernet0/0), g=192.1.1.2, len 60, forward
*Mar 1 02:03:58: IP: s=192.1.1.2 (FastEthernet0/0), d=10.38.255.11 (Async87), g=10.38.255.11, len 52, forward
*Mar 1 02:03:58: IP: s=192.1.1.2 (FastEthernet0/0), d=10.38.255.11 (Async87), len 52, encapsulation failed
Here is the configuration of the router:
isdn switch-type primary-net5
!
modemcap entry v90-fa:MSC=&F&D2s0=0
call-history-mib retain-timer 500
!
!
controller E1 1/0
pri-group timeslots 1-31
description *** VN 043 / XXX XX XX ***
!
controller E1 1/1
shutdown
pri-group timeslots 1-31
!
!
interface Loopback0
ip address 10.38.255.68 255.255.255.255
!
interface FastEthernet0/0
description *** Connection to Server ***
ip address 192.1.1.64 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
ip accounting output-packets
ip nat outside
no ip route-cache
no ip mroute-cache
speed 100
full-duplex
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial1/0:15
no ip address
ip nat inside
encapsulation ppp
dialer rotary-group 1
dialer-group 1
isdn switch-type primary-net5
isdn timer t321 0
isdn caller 004940539318xxx
isdn caller 00423xxxxxxx
isdn caller 091xxxxxxx
isdn caller 081xxxxxxx
isdn caller 071xxxxxxx
isdn caller 062xxxxxxx
isdn caller 061xxxxxxx
isdn caller 058xxxxxxx
isdn caller 056xxxxxxx
isdn caller 055xxxxxxx
isdn caller 052xxxxxxx
isdn caller 051xxxxxxx
isdn caller 044xxxxxxx
isdn caller 043xxxxxxx
isdn caller 041xxxxxxx
isdn caller 034xxxxxxx
isdn caller 033xxxxxxx
isdn caller 032xxxxxxx
isdn caller 031xxxxxxx
isdn caller 027xxxxxxx
isdn caller 026xxxxxxx
isdn caller 024xxxxxxx
isdn caller 022xxxxxxx
isdn caller 021xxxxxxx
isdn caller 01xxxxxxx
isdn caller 076xxxxxxx
isdn caller 078xxxxxxx
isdn caller 079xxxxxxx
isdn caller 00411xxxxxxx
isdn caller 0041xxxxxxxxx
isdn caller 004940539318xx
isdn incoming-voice modem
no keepalive
no cdp enable
!
interface Serial1/1:15
no ip address
isdn switch-type primary-net5
no cdp enable
!
interface Group-Async1
description *** Bind Modem-lines ***
ip unnumbered Loopback0
ip nat inside
encapsulation ppp
no ip route-cache cef
no ip mroute-cache
no logging event link-status
dialer in-band
dialer idle-timeout 600
dialer mult-map-same-name
dialer-group 1
async mode dedicated
peer default ip address pool ep2urdorf
no keepalive
pulse-time 2
no fair-queue
ppp ipcp ignore-map
ppp ipcp username unique
group-range 65 94
!
interface Dialer1
description *** ISDN Terminals ***
ip unnumbered Loopback0
ip nat inside
encapsulation ppp
no ip route-cache cef
dialer in-band
dialer idle-timeout 1200
dialer mult-map-same-name
peer default ip address pool ep2urdorf
no keepalive
ppp ipcp ignore-map
!
interface Dialer2
description *** analoge Terminals ***
ip unnumbered Loopback0
ip accounting output-packets
ip nat inside
encapsulation ppp
no ip route-cache cef
no ip mroute-cache
dialer pool 2
snmp ifindex persist
peer default ip address pool ep2urdorf
no keepalive
no fair-queue
no cdp enable
ppp ipcp ignore-map
!
ip local pool ep2urdorf 10.38.255.1 10.38.255.62
ip nat translation max-entries 2147483647
ip nat outside source static 192.1.1.91 153.46.226.7
no ip http server
ip classless
ip route 153.46.226.7 255.255.255.255 FastEthernet0/0
ip route 193.192.234.1 255.255.255.255 FastEthernet0/0
!
dialer-list 1 protocol ip permit
line 65 94
no exec-banner
exec-timeout 0 0
flush-at-activation
modem answer-timeout 0
modem Dialin
modem autoconfigure type v90-fa
no editing
transport preferred none
transport output none
escape-character NONE
autoselect ppp
line 97 126
flush-at-activation
line aux 0
exec-timeout 5 0
password 7 <removed>
I'll really appreciate when someone could help me.
Peter
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12-04-2003 02:09 AM
Hi Peter
I haven't checked every command in your config, but is nat necessary, and is it necessary the way you do it (fa0/0 is outside, dialer is inside).
If you *need* nat, then try to exclusively put the ip nat inside command on the dialer (not on the serial and the group-async).
Use these debugs:
deb isdn q931
deb dialer
deb ip nat (and maybe some options)
deb aaa negotiation
deb aaa authentication
Hope that helps.
Cheers
Toni
