Re: IPb6 BGP between two birds

4 Mar 2011

      Hello,

to make it simpler to trace, i disabled all other bgp instances that
try to connect to the affected systems.

System 1:

exacom-kap-gw01:/etc/bird # ifconfig 
eth0      Link encap:Ethernet  Hardware Adresse 00:50:56:A6:45:EC  
          inet Adresse:194.41.0.9  Bcast:194.41.0.15  Maske:255.255.255.240
          inet6 Adresse: 2001:67c:39c:8000::8000:9/64 Gültigkeitsbereich:Global
          inet6 Adresse: 2a01:198:3b0::9/64 Gültigkeitsbereich:Global
          inet6 Adresse: fe80::250:56ff:fea6:45ec/64 Gültigkeitsbereich:Verbindung
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10606253 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7796764 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000 
          RX bytes:2511921376 (2395.5 Mb)  TX bytes:1082787220 (1032.6 Mb)
          Interrupt:18 Basisadresse:0x1424 

eth1      Link encap:Ethernet  Hardware Adresse 00:50:56:A6:31:CA  
          inet Adresse:194.41.0.21  Bcast:194.41.0.23  Maske:255.255.255.248
          inet6 Adresse: 2001:67c:39c:8001::8000:9/64 Gültigkeitsbereich:Global
          inet6 Adresse: 2a01:198:3b0:1::15/64 Gültigkeitsbereich:Global
          inet6 Adresse: fe80::250:56ff:fea6:31ca/64 Gültigkeitsbereich:Verbindung
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5170119 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6830923 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000 
          RX bytes:1850214886 (1764.5 Mb)  TX bytes:1021661242 (974.3 Mb)
          Interrupt:19 Basisadresse:0x14a4 

eth2      Link encap:Ethernet  Hardware Adresse 00:50:56:A6:22:DB  
          inet Adresse:192.168.0.2  Bcast:192.168.0.255  Maske:255.255.255.0
          inet6 Adresse: fd17:fdbd:a9e6:8000::8000:2/64 Gültigkeitsbereich:Global
          inet6 Adresse: fe80::250:56ff:fea6:22db/64 Gültigkeitsbereich:Verbindung
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7 errors:0 dropped:0 overruns:0 frame:0
          TX packets:204 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000 
          RX bytes:420 (420.0 b)  TX bytes:9348 (9.1 Kb)
          Interrupt:16 Basisadresse:0x1824 

lo        Link encap:Lokale Schleife  
          inet Adresse:127.0.0.1  Maske:255.0.0.0
          inet6 Adresse: ::1/128 Gültigkeitsbereich:Maschine
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:375185 errors:0 dropped:0 overruns:0 frame:0
          TX packets:375185 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:0 
          RX bytes:36180652 (34.5 Mb)  TX bytes:36180652 (34.5 Mb)

exacom-kap-gw01:/etc/bird # bird6 -d
04-03-2011 11:49:35 <TRACE> direct1: Initializing
04-03-2011 11:49:35 <TRACE> kernel1: Initializing
04-03-2011 11:49:35 <TRACE> device1: Initializing
04-03-2011 11:49:35 <TRACE> bgp1: Initializing
04-03-2011 11:49:35 <TRACE> direct1: Starting
04-03-2011 11:49:35 <TRACE> direct1: State changed to feed
04-03-2011 11:49:35 <TRACE> kernel1: Starting
04-03-2011 11:49:35 <TRACE> kernel1: State changed to feed
04-03-2011 11:49:35 <TRACE> device1: Starting
04-03-2011 11:49:35 <TRACE> device1: Scanning interfaces
04-03-2011 11:49:35 <TRACE> direct1 < primary address ::1/128 on interface lo added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8000::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2001:67c:39c:8000::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2a01:198:3b0::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8001::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2001:67c:39c:8001::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0:1::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2a01:198:3b0:1::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address fd17:fdbd:a9e6:8000::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] fd17:fdbd:a9e6:8000::/64 dev eth2
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> device1: State changed to feed
04-03-2011 11:49:35 <TRACE> bgp1: Starting
04-03-2011 11:49:35 <INFO> Started
04-03-2011 11:49:35 <TRACE> direct1 < primary address ::1/128 on interface lo added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8000::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2001:67c:39c:8000::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2a01:198:3b0::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8001::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2001:67c:39c:8001::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0:1::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2a01:198:3b0:1::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address fd17:fdbd:a9e6:8000::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored fd17:fdbd:a9e6:8000::/64 dev eth2
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> direct1: State changed to up
04-03-2011 11:49:35 <TRACE> kernel1: Connected to table master
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2001:67c:39c:8001::/64 dev eth1
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2001:67c:39c:8000::/64 dev eth0
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2a01:198:3b0::/64 dev eth0
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2a01:198:3b0:1::/64 dev eth1
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol fd17:fdbd:a9e6:8000::/64 dev eth2
04-03-2011 11:49:35 <TRACE> kernel1: State changed to up
04-03-2011 11:49:35 <TRACE> device1: State changed to up
04-03-2011 11:49:35 <TRACE> bgp1: Started
04-03-2011 11:49:35 <TRACE> bgp1: Connect delayed by 5 seconds
04-03-2011 11:49:35 <TRACE> kernel1: Scanning routing table
04-03-2011 11:49:35 <TRACE> kernel1: Pruning table master
04-03-2011 11:49:39 <TRACE> bgp1: Connecting to 2001:67c:39c:8001::8000:a from local address 2001:67c:39c:8001::8000:9
04-03-2011 11:49:39 <TRACE> bgp1: Connected
04-03-2011 11:49:39 <TRACE> bgp1: Sending OPEN(ver=4,as=65534,hold=240,id=c2290009)
04-03-2011 11:49:39 <TRACE> bgp1: Incoming connection from 2001:67c:39c:8001::8000:a (port 56387) accepted
04-03-2011 11:49:39 <TRACE> bgp1: Sending OPEN(ver=4,as=65534,hold=240,id=c2290009)
04-03-2011 11:49:45 <TRACE> device1: Scanning interfaces
04-03-2011 11:49:55 <TRACE> device1: Scanning interfaces
04-03-2011 11:49:55 <TRACE> kernel1: Scanning routing table
04-03-2011 11:49:55 <TRACE> kernel1: Pruning table master
04-03-2011 11:50:05 <TRACE> device1: Scanning interfaces
04-03-2011 11:50:15 <TRACE> device1: Scanning interfaces
04-03-2011 11:50:15 <TRACE> kernel1: Scanning routing table
04-03-2011 11:50:15 <TRACE> kernel1: Pruning table master
04-03-2011 11:50:25 <TRACE> device1: Scanning interfaces
^C
exacom-kap-gw01:/etc/bird # 

bird6.conf:

log syslog { debug, trace, info, remote, warning, error, auth, fatal, bug };
log stderr all;

debug protocols all;

router id 194.41.0.9;

listen bgp v6only;

protocol direct {
}                                                                                                                                      

protocol kernel {
        persist;                # Don't remove routes on bird shutdown
        scan time 20;           # Scan kernel routing table every 20 seconds
        export all;             # Default is export none
}                                                                                                                                      

protocol device {
        scan time 10;           # Scan interfaces every 10 seconds
}                                                                                                                                      

protocol bgp {
        local as 65534;
        neighbor 2001:67c:39c:8001::8000:a as 65534;
}                                                       

System 2:

exacom-kap-gw02:/etc/bird # ifconfig 
eth0      Link encap:Ethernet  Hardware Adresse 00:50:56:A6:01:EE  
          inet Adresse:194.41.0.10  Bcast:194.41.0.15  Maske:255.255.255.240
          inet6 Adresse: 2001:67c:39c:8000::8000:a/64 Gültigkeitsbereich:Global
          inet6 Adresse: fe80::250:56ff:fea6:1ee/64 Gültigkeitsbereich:Verbindung
          inet6 Adresse: 2a01:198:3b0::a/64 Gültigkeitsbereich:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8738537 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6870942 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000 
          RX bytes:2451502513 (2337.9 Mb)  TX bytes:1011280035 (964.4 Mb)
          Interrupt:18 Basisadresse:0x1424 

eth1      Link encap:Ethernet  Hardware Adresse 00:50:56:A6:66:E9  
          inet Adresse:194.41.0.22  Bcast:194.41.0.23  Maske:255.255.255.248
          inet6 Adresse: 2001:67c:39c:8001::8000:a/64 Gültigkeitsbereich:Global
          inet6 Adresse: 2a01:198:3b0:1::a/64 Gültigkeitsbereich:Global
          inet6 Adresse: fe80::250:56ff:fea6:66e9/64 Gültigkeitsbereich:Verbindung
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:6296877 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6303823 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000 
          RX bytes:2077973197 (1981.7 Mb)  TX bytes:959049512 (914.6 Mb)
          Interrupt:19 Basisadresse:0x14a4 

eth2      Link encap:Ethernet  Hardware Adresse 00:50:56:A6:7F:66  
          inet Adresse:192.168.0.3  Bcast:192.168.0.255  Maske:255.255.255.0
          inet6 Adresse: fe80::250:56ff:fea6:7f66/64 Gültigkeitsbereich:Verbindung
          inet6 Adresse: fd17:fdbd:a9e6:8000::8000:3/64 Gültigkeitsbereich:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5036 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000 
          RX bytes:317550 (310.1 Kb)  TX bytes:636 (636.0 b)
          Interrupt:16 Basisadresse:0x1824 

lo        Link encap:Lokale Schleife  
          inet Adresse:127.0.0.1  Maske:255.0.0.0
          inet6 Adresse: ::1/128 Gültigkeitsbereich:Maschine
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:188469 errors:0 dropped:0 overruns:0 frame:0
          TX packets:188469 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:0 
          RX bytes:10742089 (10.2 Mb)  TX bytes:10742089 (10.2 Mb)

exacom-kap-gw02:/etc/bird # bird6 -d
04-03-2011 11:49:35 <TRACE> direct1: Initializing
04-03-2011 11:49:35 <TRACE> kernel1: Initializing
04-03-2011 11:49:35 <TRACE> device1: Initializing
04-03-2011 11:49:35 <TRACE> bgp1: Initializing
04-03-2011 11:49:35 <TRACE> direct1: Starting
04-03-2011 11:49:35 <TRACE> direct1: State changed to feed
04-03-2011 11:49:35 <TRACE> kernel1: Starting
04-03-2011 11:49:35 <TRACE> kernel1: State changed to feed
04-03-2011 11:49:35 <TRACE> device1: Starting
04-03-2011 11:49:35 <TRACE> device1: Scanning interfaces
04-03-2011 11:49:35 <TRACE> direct1 < primary address ::1/128 on interface lo added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8000::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2001:67c:39c:8000::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2a01:198:3b0::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8001::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2001:67c:39c:8001::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0:1::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] 2a01:198:3b0:1::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address fd17:fdbd:a9e6:8000::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> direct1 > added [best] fd17:fdbd:a9e6:8000::/64 dev eth2
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> device1: State changed to feed
04-03-2011 11:49:35 <TRACE> bgp1: Starting
04-03-2011 11:49:35 <INFO> Started
04-03-2011 11:49:35 <TRACE> direct1 < primary address ::1/128 on interface lo added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8000::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2001:67c:39c:8000::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2a01:198:3b0::/64 dev eth0
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth0 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address 2001:67c:39c:8001::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2001:67c:39c:8001::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address 2a01:198:3b0:1::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored 2a01:198:3b0:1::/64 dev eth1
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth1 added
04-03-2011 11:49:35 <TRACE> direct1 < primary address fd17:fdbd:a9e6:8000::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> direct1 > ignored fd17:fdbd:a9e6:8000::/64 dev eth2
04-03-2011 11:49:35 <TRACE> direct1 < secondary address fe80::/64 on interface eth2 added
04-03-2011 11:49:35 <TRACE> direct1: State changed to up
04-03-2011 11:49:35 <TRACE> kernel1: Connected to table master
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2001:67c:39c:8001::/64 dev eth1
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2001:67c:39c:8000::/64 dev eth0
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2a01:198:3b0::/64 dev eth0
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol 2a01:198:3b0:1::/64 dev eth1
04-03-2011 11:49:35 <TRACE> kernel1 < rejected by protocol fd17:fdbd:a9e6:8000::/64 dev eth2
04-03-2011 11:49:35 <TRACE> kernel1: State changed to up
04-03-2011 11:49:35 <TRACE> device1: State changed to up
04-03-2011 11:49:35 <TRACE> bgp1: Started
04-03-2011 11:49:35 <TRACE> bgp1: Connect delayed by 5 seconds
04-03-2011 11:49:35 <TRACE> kernel1: Scanning routing table
04-03-2011 11:49:35 <TRACE> kernel1: Pruning table master
04-03-2011 11:49:35 <TRACE> bgp1: Incoming connection from 2001:67c:39c:8001::8000:9 (port 50229) accepted
04-03-2011 11:49:35 <TRACE> bgp1: Sending OPEN(ver=4,as=65534,hold=240,id=c229000a)
04-03-2011 11:49:39 <TRACE> bgp1: Connecting to 2001:67c:39c:8001::8000:9 from local address 2001:67c:39c:8001::8000:a
04-03-2011 11:49:39 <TRACE> bgp1: Connected
04-03-2011 11:49:39 <TRACE> bgp1: Sending OPEN(ver=4,as=65534,hold=240,id=c229000a)
04-03-2011 11:49:45 <TRACE> device1: Scanning interfaces
04-03-2011 11:49:55 <TRACE> device1: Scanning interfaces
04-03-2011 11:49:55 <TRACE> kernel1: Scanning routing table
04-03-2011 11:49:55 <TRACE> kernel1: Pruning table master
04-03-2011 11:50:05 <TRACE> device1: Scanning interfaces
04-03-2011 11:50:15 <TRACE> device1: Scanning interfaces
04-03-2011 11:50:15 <TRACE> kernel1: Scanning routing table
04-03-2011 11:50:15 <TRACE> kernel1: Pruning table master
04-03-2011 11:50:25 <TRACE> device1: Scanning interfaces
^C

bird6.conf:

log syslog { debug, trace, info, remote, warning, error, auth, fatal, bug };
log stderr all;

debug protocols all;

router id 194.41.0.10;

listen bgp v6only;

protocol direct {
}                                                                                                                                      

protocol kernel {
        persist;                # Don't remove routes on bird shutdown
        scan time 20;           # Scan kernel routing table every 20 seconds
        export all;             # Default is export none
}                                                                                                                                      

protocol device {
        scan time 10;           # Scan interfaces every 10 seconds
}                                                                                                                                      

protocol bgp {
        local as 65534;
        neighbor 2001:67c:39c:8001::8000:9 as 65534;
}                                                                  

Mit freundlichen Grüßen

Dr. Christian Riede
Senior IT Architect, Teamleiter Technik 

-- 
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