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Example: pipe over pipe

r1:

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hostname r1
buggy
!
logging file debug ../binTmp/zzz91r1-log.run
!
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
 no shutdown
 no log-link-change
 exit
!
interface tunnel1
 no description
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1.1.1.2
 tunnel mode pipe
 vrf forwarding v1
 ipv6 address 1234::1 ffff::
 no shutdown
 no log-link-change
 exit
!
interface tunnel2
 no description
 tunnel vrf v1
 tunnel source tunnel1
 tunnel destination 1234::2
 tunnel mode pipe
 vrf forwarding v1
 ipv4 address 2.2.2.1 255.255.255.0
 ipv6 address 4321::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/zzz91r2-log.run
!
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
 no shutdown
 no log-link-change
 exit
!
interface tunnel1
 no description
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1.1.1.1
 tunnel mode pipe
 vrf forwarding v1
 ipv6 address 1234::2 ffff::
 no shutdown
 no log-link-change
 exit
!
interface tunnel2
 no description
 tunnel vrf v1
 tunnel source tunnel1
 tunnel destination 1234::1
 tunnel mode pipe
 vrf forwarding v1
 ipv4 address 2.2.2.2 255.255.255.0
 ipv6 address 4321::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