My topology is:

[![Topology][1]][1]

I am logged in to R1. I can ping 10.0.0.2 on R2 and 198.51.100.1 on R2, but can't ping the management IP of sw3(198.51.100.2). What am I doing wrong? 

    R1#sh ip arp
    Protocol  Address          Age (min)  Hardware Addr   Type   Interface
    Internet  10.0.0.1                -   0cc1.8f5a.c102  ARPA   GigabitEthernet0/2
    Internet  10.0.0.2               11   0cc1.8fc5.c701  ARPA   GigabitEthernet0/2
    Internet  10.0.0.5                -   0cc1.8f5a.c101  ARPA   GigabitEthernet0/1
    Internet  10.0.0.6               11   0cc1.8f0b.af00  ARPA   GigabitEthernet0/1
    Internet  192.0.2.1               -   0cc1.8f5a.c100  ARPA   GigabitEthernet0/0
    Internet  192.0.2.2              11   0cc1.8fe9.8001  ARPA   GigabitEthernet0/0
    R1#sh ip route
    Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
           D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
           N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
           E1 - OSPF external type 1, E2 - OSPF external type 2
           i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
           ia - IS-IS inter area, * - candidate default, U - per-user static route
           o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
           a - application route
           + - replicated route, % - next hop override, p - overrides from PfR
    
    Gateway of last resort is not set
    
          10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
    C        10.0.0.0/30 is directly connected, GigabitEthernet0/2
    L        10.0.0.1/32 is directly connected, GigabitEthernet0/2
    C        10.0.0.4/30 is directly connected, GigabitEthernet0/1
    L        10.0.0.5/32 is directly connected, GigabitEthernet0/1
          192.0.2.0/24 is variably subnetted, 2 subnets, 2 masks
    C        192.0.2.0/24 is directly connected, GigabitEthernet0/0
    L        192.0.2.1/32 is directly connected, GigabitEthernet0/0
    S     198.51.100.0/24 [1/0] via 10.0.0.2
    R1#ping 198.51.100.1
    Type escape sequence to abort.
    Sending 5, 100-byte ICMP Echos to 198.51.100.1, timeout is 2 seconds:
    !!!!!
    Success rate is 100 percent (5/5), round-trip min/avg/max = 6/13/16 ms
    R1#ping 198.51.100.2
    Type escape sequence to abort.
    Sending 5, 100-byte ICMP Echos to 198.51.100.2, timeout is 2 seconds:
    .....
    Success rate is 0 percent (0/5)


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Here are the running configs for each device:

R1:

    R1#sh run | s net0/2
    interface GigabitEthernet0/2
     description Connected to R2
     ip address 10.0.0.1 255.255.255.252
     duplex auto
     speed auto
     media-type rj45
    R1#sh ip int br
    Interface                  IP-Address      OK? Method Status                Protocol
    GigabitEthernet0/0         192.0.2.1       YES manual up                    up
    GigabitEthernet0/1         10.0.0.5        YES manual up                    up
    GigabitEthernet0/2         10.0.0.1        YES manual up                    up
    GigabitEthernet0/3         unassigned      YES unset  administratively down down

R2: 

    R2#ping 198.51.100.2
    Type escape sequence to abort.
    Sending 5, 100-byte ICMP Echos to 198.51.100.2, timeout is 2 seconds:
    !!!!!
    Success rate is 100 percent (5/5), round-trip min/avg/max = 8/16/23 ms
    R2#sh run | s net0/0
    interface GigabitEthernet0/0
     description Connected to sw2
     ip address 198.51.100.1 255.255.255.0
     duplex auto
     speed auto
     media-type rj45
    R2#sh run | s net0/1
    interface GigabitEthernet0/1
     description Connected to R1
     ip address 10.0.0.2 255.255.255.252
     duplex auto
     speed auto
     media-type rj45
    R2#sh ip int br
    Interface                  IP-Address      OK? Method Status                Protocol
    GigabitEthernet0/0         198.51.100.1    YES manual up                    up
    GigabitEthernet0/1         10.0.0.2        YES manual up                    up
    GigabitEthernet0/2         unassigned      YES unset  administratively down down
    GigabitEthernet0/3         unassigned      YES unset  administratively down down
    R2#sh ip route
    Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
           D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
           N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
           E1 - OSPF external type 1, E2 - OSPF external type 2
           i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
           ia - IS-IS inter area, * - candidate default, U - per-user static route
           o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
           a - application route
           + - replicated route, % - next hop override, p - overrides from PfR
    
    Gateway of last resort is not set
    
          10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
    C        10.0.0.0/30 is directly connected, GigabitEthernet0/1
    L        10.0.0.2/32 is directly connected, GigabitEthernet0/1
          198.51.100.0/24 is variably subnetted, 2 subnets, 2 masks
    C        198.51.100.0/24 is directly connected, GigabitEthernet0/0
    L        198.51.100.1/32 is directly connected, GigabitEthernet0/0

sw2: 

    sw2#sh run | s net0/0
    interface GigabitEthernet0/0
     description Connected to R2
     media-type rj45
     negotiation auto
    sw2#sh run | s vlan
    vlan internal allocation policy ascending
    sw2#sh run | s Vlan
    interface Vlan1
     ip address 198.51.100.2 255.255.255.0
    sw2#sh ip int br
    Interface              IP-Address      OK? Method Status                Protocol
    GigabitEthernet0/0     unassigned      YES unset  up                    up
    GigabitEthernet0/1     unassigned      YES unset  administratively down down
    GigabitEthernet0/2     unassigned      YES unset  administratively down down
    GigabitEthernet0/3     unassigned      YES unset  administratively down down
    Vlan1                  198.51.100.2    YES manual up                    up

  [1]: https://i.sstatic.net/vM1pu.png