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Example: babel on one subnet

r1: 

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hostname r1
buggy
!
logging file debug ../binTmp/zzz48r1-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router babel4 1
 vrf v1
 router-id 1111-2222-3333-0001
 redistribute connected
 exit
!
router babel6 1
 vrf v1
 router-id 1111-2222-3333-0001
 redistribute connected
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.1 255.255.255.255
 ipv6 address 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.0
 ipv6 address 1234::1 ffff::
 router babel4 1 enable
 router babel6 1 enable
 no shutdown
 no log-link-change
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r2: 

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hostname r2
buggy
!
logging file debug ../binTmp/zzz48r2-log.run
!
bridge 1
 mac-learn
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router babel4 1
 vrf v1
 router-id 1111-2222-3333-0002
 redistribute connected
 exit
!
router babel6 1
 vrf v1
 router-id 1111-2222-3333-0002
 redistribute connected
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.2 255.255.255.255
 ipv6 address 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface bvi1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.0
 ipv6 address 1234::2 ffff::
 router babel4 1 enable
 router babel6 1 enable
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r3: 

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hostname r3
buggy
!
logging file debug ../binTmp/zzz48r3-log.run
!
bridge 1
 mac-learn
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router babel4 1
 vrf v1
 router-id 1111-2222-3333-0003
 redistribute connected
 exit
!
router babel6 1
 vrf v1
 router-id 1111-2222-3333-0003
 redistribute connected
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.3 255.255.255.255
 ipv6 address 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface bvi1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.3 255.255.255.0
 ipv6 address 1234::3 ffff::
 router babel4 1 enable
 router babel6 1 enable
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 bridge-group 1
 no shutdown
 no log-link-change
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r4: 

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hostname r4
buggy
!
logging file debug ../binTmp/zzz48r4-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router babel4 1
 vrf v1
 router-id 1111-2222-3333-0004
 redistribute connected
 exit
!
router babel6 1
 vrf v1
 router-id 1111-2222-3333-0004
 redistribute connected
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.4 255.255.255.255
 ipv6 address 4321::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.4 255.255.255.0
 ipv6 address 1234::4 ffff::
 router babel4 1 enable
 router babel6 1 enable
 no shutdown
 no log-link-change
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end


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r2#
r2#
r2#show ipv4 babel 1 sum
r2#show ipv4 babel 1 sum
 |~~~~~~~~~~~|~~~~~~~|~~~~~~~~~~|~~~~~~~~~~|
 | interface | learn | neighbor | uptime   |
 |-----------|-------|----------|----------|
 | bvi1      | 2     | 1.1.1.1  | 00:00:24 |
 | bvi1      | 2     | 1.1.1.3  | 00:00:23 |
 | bvi1      | 2     | 1.1.1.4  | 00:00:23 |
 |___________|_______|__________|__________|
r2#
r2#

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r2#
r2#
r2#show ipv6 babel 1 sum
r2#show ipv6 babel 1 sum
 |~~~~~~~~~~~|~~~~~~~|~~~~~~~~~~|~~~~~~~~~~|
 | interface | learn | neighbor | uptime   |
 |-----------|-------|----------|----------|
 | bvi1      | 2     | 1234::1  | 00:00:24 |
 | bvi1      | 2     | 1234::3  | 00:00:23 |
 | bvi1      | 2     | 1234::4  | 00:00:23 |
 |___________|_______|__________|__________|
r2#
r2#

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r2#
r2#
r2#show ipv4 babel 1 dat
r2#show ipv4 babel 1 dat
 |~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | typ | prefix     | metric  | iface | hop     | time     |
 |-----|------------|---------|-------|---------|----------|
 | A   | 1.1.1.0/24 | 1/0     | bvi1  | null    | 00:00:44 |
 | A   | 2.2.2.1/32 | 130/100 | bvi1  | 1.1.1.1 | 00:00:24 |
 | A   | 2.2.2.3/32 | 130/100 | bvi1  | 1.1.1.3 | 00:00:23 |
 | A   | 2.2.2.4/32 | 130/100 | bvi1  | 1.1.1.4 | 00:00:23 |
 |_____|____________|_________|_______|_________|__________|
r2#
r2#

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r2#
r2#
r2#show ipv6 babel 1 dat
r2#show ipv6 babel 1 dat
 |~~~~~|~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | typ | prefix      | metric  | iface | hop     | time     |
 |-----|-------------|---------|-------|---------|----------|
 | A   | 1234::/16   | 1/0     | bvi1  | null    | 00:00:44 |
 | A   | 4321::1/128 | 130/100 | bvi1  | 1234::1 | 00:00:24 |
 | A   | 4321::3/128 | 130/100 | bvi1  | 1234::3 | 00:00:24 |
 | A   | 4321::4/128 | 130/100 | bvi1  | 1234::4 | 00:00:23 |
 |_____|_____________|_________|_______|_________|__________|
r2#
r2#

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r2#
r2#
r2#show ipv4 route v1
r2#show ipv4 route v1
 |~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | typ | prefix     | metric  | iface     | hop     | time     |
 |-----|------------|---------|-----------|---------|----------|
 | C   | 1.1.1.0/24 | 0/0     | bvi1      | null    | 00:00:44 |
 | LOC | 1.1.1.2/32 | 0/1     | bvi1      | null    | 00:00:44 |
 | A   | 2.2.2.1/32 | 130/100 | bvi1      | 1.1.1.1 | 00:00:25 |
 | C   | 2.2.2.2/32 | 0/0     | loopback0 | null    | 00:00:44 |
 | A   | 2.2.2.3/32 | 130/100 | bvi1      | 1.1.1.3 | 00:00:24 |
 | A   | 2.2.2.4/32 | 130/100 | bvi1      | 1.1.1.4 | 00:00:23 |
 |_____|____________|_________|___________|_________|__________|
r2#
r2#

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r2#
r2#
r2#show ipv6 route v1
r2#show ipv6 route v1
 |~~~~~|~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | typ | prefix      | metric  | iface     | hop     | time     |
 |-----|-------------|---------|-----------|---------|----------|
 | C   | 1234::/16   | 0/0     | bvi1      | null    | 00:00:44 |
 | LOC | 1234::2/128 | 0/1     | bvi1      | null    | 00:00:44 |
 | A   | 4321::1/128 | 130/100 | bvi1      | 1234::1 | 00:00:25 |
 | C   | 4321::2/128 | 0/0     | loopback0 | null    | 00:00:44 |
 | A   | 4321::3/128 | 130/100 | bvi1      | 1234::3 | 00:00:24 |
 | A   | 4321::4/128 | 130/100 | bvi1      | 1234::4 | 00:00:24 |
 |_____|_____________|_________|___________|_________|__________|
r2#
r2#