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Example: bier in chain

r1: 

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hostname r1
buggy
!
logging file debug ../binTmp/zzz31r1-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router lsrp4 1
 vrf v1
 router-id 4.4.4.1
 bier 256 10 1
 redistribute connected
 exit
!
router lsrp6 1
 vrf v1
 router-id 6.6.6.1
 bier 256 10 1
 redistribute connected
 exit
!
interface loopback1
 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::
 mpls enable
 router lsrp4 1 enable
 router lsrp6 1 enable
 no shutdown
 no log-link-change
 exit
!
interface tunnel1
 no description
 tunnel key 1
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 9.9.9.9
 tunnel domain-name 2.2.2.4
 tunnel mode bier
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.0
 no shutdown
 no log-link-change
 exit
!
interface tunnel2
 no description
 tunnel key 1
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 9999::9
 tunnel domain-name 4321::4
 tunnel mode bier
 vrf forwarding v1
 ipv6 address 4321::1111 ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0
 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/zzz31r2-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router lsrp4 1
 vrf v1
 router-id 4.4.4.2
 bier 256 10 2
 redistribute connected
 exit
!
router lsrp6 1
 vrf v1
 router-id 6.6.6.2
 bier 256 10 2
 redistribute connected
 exit
!
interface loopback1
 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 ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.0
 ipv6 address 1234::2 ffff::
 mpls enable
 router lsrp4 1 enable
 router lsrp6 1 enable
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.2 255.255.255.0
 ipv6 address 1235::2 ffff::
 mpls enable
 router lsrp4 1 enable
 router lsrp6 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

r3: 

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hostname r3
buggy
!
logging file debug ../binTmp/zzz31r3-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router lsrp4 1
 vrf v1
 router-id 4.4.4.3
 bier 256 10 3
 redistribute connected
 exit
!
router lsrp6 1
 vrf v1
 router-id 6.6.6.3
 bier 256 10 3
 redistribute connected
 exit
!
interface loopback1
 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 ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.3 255.255.255.0
 ipv6 address 1235::3 ffff::
 mpls enable
 router lsrp4 1 enable
 router lsrp6 1 enable
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 vrf forwarding v1
 ipv4 address 1.1.3.3 255.255.255.0
 ipv6 address 1236::3 ffff::
 mpls enable
 router lsrp4 1 enable
 router lsrp6 1 enable
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
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/zzz31r4-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
router lsrp4 1
 vrf v1
 router-id 4.4.4.4
 bier 256 10 4
 redistribute connected
 exit
!
router lsrp6 1
 vrf v1
 router-id 6.6.6.4
 bier 256 10 4
 redistribute connected
 exit
!
interface loopback1
 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 1.1.3.4 255.255.255.0
 ipv6 address 1236::4 ffff::
 mpls enable
 router lsrp4 1 enable
 router lsrp6 1 enable
 no shutdown
 no log-link-change
 exit
!
interface tunnel1
 no description
 tunnel key 4
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 9.9.9.9
 tunnel domain-name 2.2.2.1
 tunnel mode bier
 vrf forwarding v1
 ipv4 address 3.3.3.4 255.255.255.0
 no shutdown
 no log-link-change
 exit
!
interface tunnel2
 no description
 tunnel key 4
 tunnel vrf v1
 tunnel source loopback1
 tunnel destination 9999::9
 tunnel domain-name 4321::1
 tunnel mode bier
 vrf forwarding v1
 ipv6 address 4321::1114 ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end


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r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 5172   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 132226 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 295846 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 568939 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 701027 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 762096 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#

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r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 165679 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 247620 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 433050 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 632008 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 703220 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 801658 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#

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r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 176762 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 396616 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 548980 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 630417 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 804467 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 848047 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#

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r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 130806 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 176702 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 566725 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 592734 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 604710 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 742934 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#