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Posted by on May 7, 2008, 9:18 am
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> On 6 mei, 18:24, Bo...@hotmail.co.uk wrote:
>
>
>
>
>
> > On 6 May, 15:19, j.k...@solcon.nl wrote:
>
> > > Hello,
>
> > > I'm having a problem with the configuration of a Cisco 878.
> > > What i'm trying to do is configure 2 PVC's.
>
> > > One is a PPPoA connection, and the other a RFC 1483 connection, in
> > > full bridge.
> > > The thing that i can't get to work is using the 2 connections
> > > similtaniously.
>
> > > I'm using the following config:
>
> > > !
> > > version 12.4
> > > no service pad
> > > service timestamps debug uptime
> > > service timestamps log uptime
> > > service password-encryption
> > > !
> > > hostname <hostname>
> > > !
> > > boot-start-marker
> > > boot-end-marker
> > > !
> > > enable secret bonbon
> > > !
> > > no aaa new-model
> > > !
> > > resource policy
> > > !
> > > clock timezone GMT 1
> > > ip cef
> > > !
> > > !
> > > !
> > > !
> > > no ip domain lookup
> > > !
> > > !
> > > !
> > > username <username> password <password>
> > > !
> > > !
> > > controller DSL 0
> > > =A0mode atm
> > > =A0line-term cpe
> > > =A0line-mode 2-wire line-zero
> > > =A0dsl-mode shdsl symmetric annex B
> > > =A0line-rate auto
> > > !
> > > !
> > > !
> > > !
> > > !
> > > interface BRI0
> > > =A0no ip address
> > > =A0encapsulation hdlc
> > > =A0shutdown
> > > !
> > > interface ATM0
> > > =A0no ip address
> > > =A0no atm ilmi-keepalive
> > > =A0pvc internet 0/36
> > > =A0 encapsulation aal5mux ppp dialer
> > > =A0 dialer pool-member 1
> > > =A0!
> > > =A0pvc 0 0/37
> > > =A0 encapsulation aal5snap
> > > =A0!
> > > =A0bridge-group 1
> > > !
> > > interface FastEthernet0
> > > =A0switchport access vlan 250
> > > !
> > > interface FastEthernet1
> > > =A0switchport access vlan 250
> > > !
> > > interface FastEthernet2
> > > =A0switchport access vlan 250
> > > !
> > > interface FastEthernet3
> > > !
> > > interface Vlan1
> > > =A0no ip address
> > > =A0bridge-group 1
> > > =A0hold-queue 100 out
> > > !
> > > interface Vlan250
> > > =A0ip address 192.168.2.1 255.255.255.0
> > > =A0ip nat inside
> > > =A0ip virtual-reassembly
> > > =A0no autostate
> > > !
> > > interface Dialer0
> > > =A0mtu 1492
> > > =A0ip address negotiated
> > > =A0ip nat outside
> > > =A0ip virtual-reassembly
> > > =A0encapsulation ppp
> > > =A0dialer pool 1
> > > =A0dialer-group 1
> > > =A0no peer default ip address
> > > =A0ppp authentication pap callin
> > > =A0ppp pap sent-username <username> password <password>
> > > !
> > > ip route 0.0.0.0 0.0.0.0 Dialer0
> > > !
> > > !
> > > no ip http server
> > > no ip http secure-server
> > > ip nat inside source list 101 interface Dialer0 overload
> > > !
> > > access-list 101 permit ip 192.168.2.0 0.0.0.255 any
> > > dialer-list 1 protocol ip permit
> > > !
> > > !
> > > !
> > > !
> > > control-plane
> > > !
> > > bridge 1 protocol ieee
> > > !
> > > line con 0
> > > =A0login local
> > > =A0no modem enable
> > > =A0transport output telnet
> > > line aux 0
> > > =A0login local
> > > =A0transport output telnet
> > > line vty 0 4
> > > =A0privilege level 15
> > > =A0login local
> > > =A0transport input telnet ssh
> > > !
> > > scheduler max-task-time 5000
> > > ntp clock-period 17177560
> > > ntp server 212.45.32.36
> > > end
>
> > > ----------------------------------------------------
>
> > > There are 2 VLAN's. VLAN 1 i'm using for the RFC 1483 connection, and
> > > VLAN 250 for the PPPoA connection.
> > > With this config, the PPPoA connection works. When i go into global
> > > configuration mode, and enter the command 'no ip routing', the RFC
> > > 1483 connection works.
> > > The gateway of last resort disappears, and the routing table is shut
> > > down.
> > > After this, when i enter 'ip routing' in Global config mode, and 'ip
> > > route 0.0.0.0 0.0.0.0 Dialer0', the PPPoA connection works.
>
> > > Does anyone have a solution that fixes my problem?
>
> > > Thanks in advance.
>
> > > Greetings,
>
> > > Jan Kost
>
> > If I recall correctly - and it has been a while - the
> > router will NOT bridge IP packets when
> > routing is enabled???
>
> > Unless you configure CRB/IRB?
>
> > Here is a successful config with rfc1483
> > that has an IP address on the router.
> > This mayy not be what you want but maybe
> > will point in some useful direction.
>
> > ip cef
>
> > !
> > bridge irb =A0 ! ###
> > !
> > interface FastEthernet0/0
> > =A0description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-FE 0$
> > =A0ip address 10.1.2.1 255.255.255.0
>
> > !
> > interface ATM0/1/0
> > =A0no ip address
> > =A0no atm ilmi-keepalive
> > =A0dsl operating-mode auto
> > =A0bridge-group 1
> > =A0pvc 0/35
> > =A0 encapsulation aal5snap
> > !
> > !
> > interface BVI1
> > =A0bandwidth 8000
> > =A0ip address 6.23.17.15 255.255.255.0
> > =A0ip nat outside
> > =A0ip virtual-reassembly
> > =A0load-interval 30
> > =A0crypto map pipe
> > !
> > ip route 0.0.0.0 0.0.0.0 6.23.17.1
> > !
> > bridge 1 protocol ieee =A0 ! ###
> > bridge 1 route ip =A0 =A0 =A0 =A0! ###
> > !
>
> Thank you. I have a working config with RFC 1483, so that's not the
> problem.
> It's true that the cisco will not bridge IP packets with routing
> enabled. When i disable it, it works fine. The problem is the
> combination of both.
>
> Thanks.- Hide quoted text -
The config fragment that I sent IS bridging over the
ATM and routing to the inside.
It is doing IRB.
=46rom memory - very flaky - I suspect that you may need CRB.
I think that this is routing IP on some interfaces and
bridging on others.
Read about CRB and IRB.
I forget it all now.
Did you notice the "! ###" s in my previous post?
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