come da titolo, ho un cisco 1841 con 2 wic adsl.
ho bisogno di configurare i due wic in modo da ottenere connessione adsl (ogni wic è collegato ad una linea differente)
ed ovviamente aggiungere il nat.
questo mi serve per avere un minimo di ridondanza.
Se una linea fallisce, vorrei che ci fosse la seconda a restare attiva.
tutto ok quando configuro la prima linea adsl su ATM0/0/0 con NAT overload.
la fa0/0 va sulla mia LAN, quindi con nat inside.
quando provo a configurare la seconda linead adsl su ATM0/1/0, non ottengo nessuna connessione...
avrei anche bisogno di un aiuto con la configurazione del NAT, visto che nat overload sembra lo possa applicare su una sola interfaccia.
questa è la mia configurazione:
Codice: Seleziona tutto
sis-router2#show run
Building configuration...
Current configuration : 3188 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname sis-router2
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$o51Q$MotePLBmQQmLRQOZ6fHXO0
!
no aaa new-model
ip cef
!
!
!
!
ip domain name sislocal
multilink bundle-name authenticated
vpdn enable
!
vpdn-group pppoe
request-dialin
protocol pppoe
l2tp tunnel receive-window 1024
!
!
!
archive
log config
hidekeys
!
!
!
!
!
interface FastEthernet0/0
description Interface connected to RED interface on ENDIAN
ip address 192.168.1.11 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
glbp 1 ip 192.168.1.1
!
interface FastEthernet0/1
description Interface for QSI severs lisead lines
ip address 192.168.0.99 255.255.255.0
duplex auto
speed auto
!
interface ATM0/0/0
description Phone line number XXXXXX
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
pvc 8/35
pppoe-client dial-pool-number 1
!
!
interface ATM0/1/0
description Phone line number XXXXXX
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
pvc 8/35
pppoe-client dial-pool-number 2
!
!
interface Dialer0
ip address negotiated
ip mtu 1492
ip nat outside
ip virtual-reassembly
encapsulation ppp
dialer pool 1
ppp authentication chap callin
ppp chap hostname SISADSL2
ppp chap password 7 XXXXXXXXXXXXX
!
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
ip virtual-reassembly
encapsulation ppp
dialer pool 2
ppp authentication chap callin
ppp chap hostname SISADSLI
ppp chap password 7 XXXXXXXXXXX
!
router rip
network 192.168.0.0
network 192.168.1.0
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Dialer0
ip route 0.0.0.0 0.0.0.0 Dialer1
ip route XXX.XXX.XXX.XXX 255.255.255.240 192.168.0.1
ip route XXX.XXX.XXX.XXX 255.255.255.248 192.168.0.1
ip route XXX.XXX.XXX.XXX 255.255.255.248 192.168.0.1
ip route XXX.XXX.XXX.XXX 255.255.255.192 192.168.0.1
!
!
ip http server
ip nat inside source list 1 interface Dialer0 overload
!
access-list 1 permit 192.168.1.0 0.0.0.255
!
!
control-plane
!
banner motd ^C
_
.::::::::::. -(_)====u .::::::::::.
.::::''''''::::. .::::''''''::::.
.:::' `::::.... ....::::' `:::.
.::' `:::::::| |:::::::' `::.
.::| |::::::|_ ___ __|::::::| |::.
`--' |::::::|_()__()_|::::::| `--'
::: |::-o::| |::o-::| :::
`::. .|::::::| |::::::|. .::'
`:::. .::\-----' `-----/::. .:::'
`::::......::::' `::::......::::'
`::::::::::' `::::::::::'
This is the Sanaa International School router
You are supposed to be here only if Authorized,
if you are not, please go away, all not authorized
accesses are logged and will be pursued by law.
^C
!
line con 0
password 7 XXXXXXXXXXXX
login
line aux 0
line vty 0 4
password 7 XXXXXXXXXXXX
login
line vty 5 30
password 7 XXXXXXXXXXXX
login
!
scheduler allocate 20000 1000
end
Codice: Seleziona tutto
sis-router2#show ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 192.168.1.11 YES NVRAM up up
FastEthernet0/1 192.168.0.99 YES NVRAM up up
ATM0/0/0 unassigned YES NVRAM up up
ATM0/1/0 unassigned YES manual up up
NVI0 192.168.1.11 YES unset up up
Virtual-Access1 unassigned YES unset up up
Dialer0 XX.XXX.XX.XX YES IPCP up up
Dialer1 unassigned YES manual up up