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Example: sr te over exthdr

r1: 

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hostname r1
buggy
!
logging file debug ../binTmp/zzz5r1-log.run
!
access-list all
 sequence 10 permit all any all any all
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.0
 ipv4 srh enable
 ipv6 address 1234::1 ffff::
 ipv6 srh enable
 no shutdown
 no log-link-change
 exit
!
interface tunnel1
 no description
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1.1.2.3
 tunnel domain-name 1.1.1.2
 tunnel mode srext
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.252
 no shutdown
 no log-link-change
 exit
!
interface tunnel2
 no description
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1235::3
 tunnel domain-name 1234::2
 tunnel mode srext
 vrf forwarding v1
 ipv6 address 3333::1 ffff::
 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/zzz5r2-log.run
!
access-list all
 sequence 10 permit all any all any all
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.0
 ipv4 srh enable
 ipv6 address 1234::2 ffff::
 ipv6 srh 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
 ipv4 srh enable
 ipv6 address 1235::2 ffff::
 ipv6 srh enable
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
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/zzz5r3-log.run
!
access-list all
 sequence 10 permit all any all any all
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.3 255.255.255.0
 ipv4 srh enable
 ipv6 address 1235::3 ffff::
 ipv6 srh enable
 no shutdown
 no log-link-change
 exit
!
interface tunnel1
 no description
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1.1.1.1
 tunnel domain-name 1.1.2.2
 tunnel mode srext
 vrf forwarding v1
 ipv4 address 3.3.3.2 255.255.255.252
 no shutdown
 no log-link-change
 exit
!
interface tunnel2
 no description
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1234::1
 tunnel domain-name 1235::2
 tunnel mode srext
 vrf forwarding v1
 ipv6 address 3333::2 ffff::
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end