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Example: static routing with icmp tracker

r1:

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hostname r1
buggy
!
logging file debug ../binTmp/zzz72r1-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.101 255.255.255.255
 ipv6 address 4321::101 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.252
 ipv6 address 1234:1::1 ffff:ffff::
 shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.1 255.255.255.252
 ipv6 address 1234:2::1 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
tracker t1
 mode icmp
 target 1.1.2.2
 vrf v1
 interval 1000
 timeout 500
 start
 exit
!
tracker t2
 mode icmp
 target 1234:2::2
 vrf v1
 interval 1000
 timeout 500
 start
 exit
!
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!
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.2.2 distance 11 tracker t1
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.2 distance 22
!
ipv6 route v1 :: :: 1234:2::2 distance 11 tracker t2
ipv6 route v1 :: :: 1234:1::2 distance 22
!
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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/zzz72r2-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.201 255.255.255.255
 ipv6 address 4321::201 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.252
 ipv6 address 1234:1::2 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.2 255.255.255.252
 ipv6 address 1234:2::2 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
tracker t1
 mode icmp
 target 1.1.2.1
 vrf v1
 interval 1000
 timeout 500
 start
 exit
!
tracker t2
 mode icmp
 target 1234:2::1
 vrf v1
 interval 1000
 timeout 500
 start
 exit
!
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!
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.2.1 distance 11 tracker t1
ipv4 route v1 0.0.0.0 0.0.0.0 1.1.1.1 distance 22
!
ipv6 route v1 :: :: 1234:2::1 distance 11 tracker t2
ipv6 route v1 :: :: 1234:1::1 distance 22
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

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r2#
r2#
r2#show tracker
r2#show tracker
 |~~~~~~|~~~~~~~~|~~~~~~|~~~~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | name | type   | mode | target    | state | changes | changed  |
 |------|--------|------|-----------|-------|---------|----------|
 | t1   | normal | icmp | 1.1.2.1   | up    | 1       | 00:00:02 |
 | t2   | normal | icmp | 1234:2::1 | up    | 1       | 00:00:02 |
 |______|________|______|___________|_______|_________|__________|
r2#
r2#
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r2#
r2#
r2#show ipv4 route v1
r2#show ipv4 route v1
 |~~~~~|~~~~~~~~~~~~~~|~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|
 | typ | prefix       | metric | iface     | hop     | time     |
 |-----|--------------|--------|-----------|---------|----------|
 | S   | 0.0.0.0/0    | 11/0   | ethernet2 | 1.1.2.1 | 00:00:02 |
 | C   | 1.1.1.0/30   | 0/0    | ethernet1 | null    | 00:00:03 |
 | LOC | 1.1.1.2/32   | 0/1    | ethernet1 | null    | 00:00:03 |
 | C   | 1.1.2.0/30   | 0/0    | ethernet2 | null    | 00:00:03 |
 | LOC | 1.1.2.2/32   | 0/1    | ethernet2 | null    | 00:00:03 |
 | C   | 2.2.2.201/32 | 0/0    | loopback0 | null    | 00:00:03 |
 |_____|______________|________|___________|_________|__________|
r2#
r2#
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r2#
r2#
r2#show ipv6 route v1
r2#show ipv6 route v1
 |~~~~~|~~~~~~~~~~~~~~~|~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~~|
 | typ | prefix        | metric | iface     | hop       | time     |
 |-----|---------------|--------|-----------|-----------|----------|
 | S   | ::/0          | 11/0   | ethernet2 | 1234:2::1 | 00:00:02 |
 | C   | 1234:1::/32   | 0/0    | ethernet1 | null      | 00:00:04 |
 | LOC | 1234:1::2/128 | 0/1    | ethernet1 | null      | 00:00:04 |
 | C   | 1234:2::/32   | 0/0    | ethernet2 | null      | 00:00:04 |
 | LOC | 1234:2::2/128 | 0/1    | ethernet2 | null      | 00:00:04 |
 | C   | 4321::201/128 | 0/0    | loopback0 | null      | 00:00:04 |
 |_____|_______________|________|___________|___________|__________|
r2#
r2#