[Xorp-users] Help, BGP seems do not work.
wubaochuan
wubaochuan at seu.edu.cn
Tue Aug 24 17:27:05 PDT 2010
Hello Edwin,
Thank you for your help, I will try.
Yours
Chuan
xorp-users-request at xorp.org wrote:
> Send Xorp-users mailing list submissions to
> xorp-users at xorp.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/xorp-users
> or, via email, send a message with subject or body 'help' to
> xorp-users-request at xorp.org
>
> You can reach the person managing the list at
> xorp-users-owner at xorp.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Xorp-users digest..."
>
>
> Today's Topics:
>
> 1. Help, BGP seems do not work. (Edwin Schokkenbroek)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 24 Aug 2010 15:34:03 +0200
> From: Edwin Schokkenbroek <edwin at spacebugs.nl>
> Subject: [Xorp-users] Help, BGP seems do not work.
> To: xorp-users at xorp.org
> Message-ID: <4C73CA4B.80005 at spacebugs.nl>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hello Chuan,
>
> It seems you don't have specified which prefixes are allowed to be
> announced. Add network statements to your policy. See my earlier
> postings on this list.
> Hope this helps.
>
> With best regards,
>
> Edwin
>
>
>
> xorp-users-request at xorp.org schreef:
>
>> Dear everyone,
>> I installed XORP on fedora12, and I have turned off firewall of
>> fedora12. Now I have struggled with BGP for several days, but still I
>> don't solve the problem(It seems that BGP do not work), and I do not
>> know what is wrong. I hope someone can tell me where is the problem.
>> Thank you in advance.
>>
>> Figure 1 is the topology:
>> RA: router A. eth0 with IP address 10.0.1.2
>> eth1 with IP address 10.0.2.1
>> RB: router B. eth0 with IP address 10.0.2.2
>> eth1 with IP address 10.0.3.1
>> RA and RB are in the same AS with AS number 23456.
>>
>> RC: router C. eth0 with IP address 10.0.3.2
>> eth1 with IP address 10.0.4.1
>> RD: router D. eth0 with IP address 10.0.4.2
>> eth1 with IP address 10.0.5.2
>> RA and RB are in the same AS with AS number 23457.
>>
>> host1 and host2 are hosts, their IP addresses are 10.0.1.1 and
>> 10.0.5.1 respectively.
>>
>>
>> Inside each AS, OSPF is configured. And between RB and RC, BGP is
>> configured.
>>
>> But now, host1 and host2 can not reach each other.
>>
>>
>>
>> 10.0.2.1 10.0.2.2 10.0.3.1 10.0.3.2 10.0.4.1
>> 10.0.4.2
>> _________ _________
>> _________ _________
>> | | | |
>> | | eth0| |
>> | RA |eth1 | RB |eth1 eth0| RC
>> |________| RD |
>> | |_______| |__________|
>> |eth1 | |
>> | | eth0 | |
>> | | | |
>> | | | |
>> | | | |
>> |_________| |_________|
>> |_________| |_________|
>> | 10.0.1.2
>> 10.0.5.2|
>> | eth0
>> |eth1
>> |
>> |
>>
>> |
>> |
>>
>> |
>> |
>> _____|___ 10.0.1.1
>> 10.0.5.1 | eth0
>> | | eth0
>> ____|___
>> | host1 |
>> | |
>> | |
>> | host2 |
>> | |
>> | |
>> | |
>> | |
>> |_________|
>> | |
>>
>> |_________|
>>
>> figure 1: My topology. sorry for poor drawing.
>>
>>
>>
>> configure file of RA:
>> interfaces {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.1.2 {
>> prefix-length: 24
>> }
>> }
>> }
>> interface eth1 {
>> vif eth1 {
>> address 10.0.2.1 {
>> prefix-length: 24
>> }
>> }
>> }
>> }
>>
>>
>>
>>
>> fea {
>> unicast-forwarding4 {
>> disable: false
>> }
>> }
>>
>>
>>
>> protocols {
>> ospf4 {
>> router-id: 10.0.2.1
>> area 0.0.0.0 {
>> interface eth1 {
>> vif eth1 {
>> address 10.0.2.1 {
>> }
>> }
>> }
>> }
>>
>> area 0.0.0.0 {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.1.2 {
>> }
>> }
>> }
>> }
>> }
>> }
>> ============================================================================
>>
>> configure file of RB:
>> interfaces {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.2.2 {
>> prefix-length: 24
>> }
>> }
>> }
>> interface eth1 {
>> vif eth1 {
>> address 10.0.3.1 {
>> prefix-length: 24
>> }
>> }
>> }
>> }
>>
>> fea {
>> unicast-forwarding4 {
>> disable: false
>> }
>> }
>>
>> policy{
>>
>> policy-statement connectedroute{
>> term connectedexport{
>> from{
>> protocol:"connected"
>> }
>> }
>> }
>>
>> policy-statement ospf2bgp{
>> term ospf2bgp{
>> from{
>> protocol:"ospf4"
>> }
>> }
>> }
>> policy-statement bgp2ospf{
>> term ospf2bgp{
>> from{
>> protocol:"bgp"
>> }
>> }
>> }
>>
>> }
>> protocols {
>> ospf4 {
>> router-id: 10.0.2.2
>>
>> export:"connectedroute"
>> export:"bgp2ospf"
>> area 0.0.0.0 {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.2.2 {
>> }
>> }
>> }
>> }
>> }
>> bgp {
>> bgp-id: 10.0.2.2
>> local-as: 23456
>> export:"connectedroute"
>> export:"ospf2bgp"
>> peer 10.0.3.2 {
>> local-ip: 10.0.3.1
>> as: 23457
>> next-hop: 10.0.3.1
>> }
>> }
>> }
>>
>> ===============================================================================
>> configure file of RC:
>>
>> interfaces {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.3.2 {
>> prefix-length: 24
>> }
>> }
>> }
>> interface eth1 {
>> vif eth1 {
>> address 10.0.4.1 {
>> prefix-length: 24
>> }
>> }
>> }
>> interface eth2 {
>> vif eth2 {
>> address 10.0.6.1 {
>> prefix-length: 24
>> }
>> }
>> }
>> }
>>
>>
>>
>>
>> fea {
>> unicast-forwarding4 {
>> disable: false /*enable ipv4 forwarding*/
>> }
>> }
>>
>> policy{
>> policy-statement connectedroute{
>> term connectedexport{
>> from{
>> protocol:"connected"
>> }
>> }
>> }
>>
>> policy-statement ospf2bgp{
>> term ospf2bgp{
>> from{
>> protocol:"ospf4"
>> }
>> }
>> }
>> policy-statement bgp2ospf{
>> term ospf2bgp{
>> from{
>> protocol:"bgp"
>> }
>> }
>> }
>> }
>>
>> protocols {
>> ospf4 {
>> router-id: 10.0.4.1
>> export:"connectedroute"
>> export:"bgp2ospf"
>> area 0.0.0.0 {
>> interface eth1 {
>> vif eth1 {
>> address 10.0.4.1 {
>> }
>> }
>> }
>> }
>> area 0.0.0.0 {
>> interface eth2 {
>> vif eth2 {
>> address 10.0.6.1 {
>> }
>> }
>> }
>> }
>> }
>> bgp {
>> bgp-id: 10.0.3.2
>> local-as: 23457
>> /*export: "export-connected"*/
>> export:"connectedroute"
>> export:"ospf2bgp"
>> peer 10.0.3.1 {
>> local-ip: 10.0.3.2
>> as: 23456
>> next-hop: 10.0.3.2
>> }
>> }
>> }
>>
>>
>> ==================================================================
>> configure file of RD:
>>
>> interfaces {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.4.2 {
>> prefix-length: 24
>> }
>> }
>> }
>> interface eth1 {
>> vif eth1 {
>> address 10.0.5.2 {
>> prefix-length: 24
>> }
>> }
>> }
>> }
>>
>> fea {
>> unicast-forwarding4 {
>> disable: false
>> }
>> }
>>
>> protocols {
>> ospf4 {
>> router-id: 10.0.4.2
>> area 0.0.0.0 {
>> interface eth0 {
>> vif eth0 {
>> address 10.0.4.2 {
>> }
>> }
>> }
>> }
>>
>> area 0.0.0.0 {
>> interface eth1 {
>> vif eth1 {
>> address 10.0.5.2 {
>> }
>> }
>> }
>> }
>> }
>> }
>>
>> =================================================================
>>
>> Yours
>> Chuan
>>
>>
>>
>>
>>
>
>
>
> ------------------------------
>
> _______________________________________________
> Xorp-users mailing list
> Xorp-users at xorp.org
> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/xorp-users
>
>
> End of Xorp-users Digest, Vol 53, Issue 24
> ******************************************
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ICSI.Berkeley.EDU/pipermail/xorp-users/attachments/20100825/4c004f63/attachment.html
More information about the Xorp-users
mailing list