[146991] in North American Network Operators' Group
PPPOE dialer issue on Cisco C2811
daemon@ATHENA.MIT.EDU (Meftah Tayeb)
Wed Nov 30 11:00:52 2011
From: "Meftah Tayeb" <tayeb.meftah@gmail.com>
To: <nanog@nanog.org>
Date: Tue, 29 Nov 2011 16:23:06 +0200
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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Hey folks
please can someone see this issue
i'm veery stuck on that:
i have a C2811 with ADSL line
created a dialer interface
assigned to a fast ethernet (fe0/0)
connected sucsessfully
nated my lan network (172.28.0.0/24)
the dialer is outside and my fe0/1 is inside
but i can access (ONLY) google services!
i guess is that a MTU issue?
if yes what should i use ?
tried 1492
1480
1500 and 1504
same hell at all.
here's my config:
Meftah Tayeb
IT Consulting
http://www.tmvoip.com/=20
phone: +21321656139
Mobile: +213660347746
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Content-Type: application/octet-stream;
name="c2800-confg"
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filename="c2800-confg"
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname C2800
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
enable secret XXX
!
no aaa new-model
!
dot11 syslog
ip source-route
!
!
ip cef
!
!
ip name-server 8.8.8.8
ip name-server 8.8.4.4
ip name-server 141.1.1.1
!
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
mpls discovery vpn next-hop
mpls ldp neighbor 172.16.0.2 targeted ldp
mpls label protocol ldp
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
voice-card 0
!
!
!
!
!
username tayeb secret XXX
archive
log config
hidekeys
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 10.10.10.2 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.252
ip rip send version 2
ip rip receive version 2
duplex auto
speed auto
pppoe enable group global
pppoe-client dial-pool-number 1
!
interface FastEthernet0/1
mtu 1420
ip address 172.16.0.1 255.255.255.252
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/1.1
description Multicast Vlan
mtu 1420
encapsulation dot1Q 100
!
interface Dialer1
mtu 1492
ip address negotiated
no ip redirects
no ip unreachables
ip nat outside
ip virtual-reassembly
encapsulation ppp
dialer pool 1
dialer idle-timeout 0
dialer persistent
dialer-group 1
ppp authentication chap callin
ppp chap hostname 021656139@djaweb.dz
ppp chap password 0 XXX
!
router bgp 10000
bgp log-neighbor-changes
neighbor 172.16.0.2 remote-as 10000
neighbor 172.16.0.2 description Mikrotik RB493G Peer
!
address-family ipv4
neighbor 172.16.0.2 activate
neighbor 172.16.0.2 soft-reconfiguration inbound
no auto-summary
no synchronization
exit-address-family
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Dialer1
no ip http server
no ip http secure-server
!
!
ip nat pool private 172.28.0.0 172.28.0.255 prefix-length 24
ip nat pool routers 172.16.0.0 172.16.0.255 prefix-length 24
ip nat source list 1 pool routers
ip nat inside source list 1 interface Dialer1 overload
ip nat inside source static tcp 172.28.0.100 113 interface Dialer1 113
ip nat outside source list 1 pool private
!
access-list 1 permit 172.28.0.0 0.0.0.255
access-list 1 permit 172.16.0.0 0.0.0.255
!
!
!
!
!
mpls ldp router-id Loopback0
!
control-plane
!
!
!
!
mgcp fax t38 ecm
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
login local
line aux 0
login local
line vty 0 1
login local
line vty 2 4
login
!
scheduler allocate 20000 1000
end
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