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【ENSP】同网段不同vlan如何ping通的问题

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问题：PC-10和PC-30是不同网段下，同一VLAN里的两台PC，现在想将其ping通

1. 两个PC都不设置网关

PC-10-1

  • ip：192.168.10.11
  • 子网：255.255.255.0
  • 网关：.0.0.0.0

PC-30-1

  • ip：192.168.30.13
  • 子网：255.255.255.0
  • 网关：.0.0.0.0

ping失败

# 使用PC-10-1 ping PC-30-3
PC>ping 192.168.30.13

Ping 192.168.30.13: 32 data bytes, Press Ctrl_C to break
From 192.168.10.11: Destination host unreachable

# ------------------------------------------------------------------------
# 使用PC-30-3 ping PC-10-1
PC>ping 192.168.10.11

Ping 192.168.10.11: 32 data bytes, Press Ctrl_C to break
From 192.168.30.13: Destination host unreachable

2. 将PC-10的网关设置为PC-30的ip

PC-10-1

  • ip：192.168.10.11
  • 子网：255.255.255.0
  • 网关：192.168.30.13

PC-30-1

  • ip：192.168.30.13
  • 子网：255.255.255.0
  • 网关：.0.0.0.0
# 使用PC-10-1 ping PC-30-3
PC>ping 192.168.30.13

Ping 192.168.30.13: 32 data bytes, Press Ctrl_C to break
Request timeout!
Request timeout!
Request timeout!
Request timeout!
Request timeout!

--- 192.168.30.13 ping statistics ---
  5 packet(s) transmitted
  0 packet(s) received
  100.00% packet loss
  
# ------------------------------------------------------------------------
# 使用PC-30-3 ping PC-10-1
PC>ping 192.168.10.11

Ping 192.168.10.11: 32 data bytes, Press Ctrl_C to break
From 192.168.30.13: Destination host unreachable

3. 将PC-10的网关设置为自己的ip

PC-10-1

  • ip：192.168.10.11
  • 子网：255.255.255.0
  • 网关：192.168.10.11

PC-30-1

  • ip：192.168.30.13
  • 子网：255.255.255.0
  • 网关：.0.0.0.0
# 使用PC-10-1 ping PC-30-3
PC>ping 192.168.30.13

Ping 192.168.30.13: 32 data bytes, Press Ctrl_C to break
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable

--- 192.168.10.11 ping statistics ---
  5 packet(s) transmitted
  0 packet(s) received
  100.00% packet loss
  
# ------------------------------------------------------------------------
# 使用PC-30-3 ping PC-10-1
PC>ping 192.168.10.11

Ping 192.168.10.11: 32 data bytes, Press Ctrl_C to break
From 192.168.30.13: Destination host unreachable

4. 将PC-10和PC-30的网关设置为自己的ip

PC-10-1

  • ip：192.168.10.11
  • 子网：255.255.255.0
  • 网关：192.168.10.11

PC-30-1

  • ip：192.168.30.13
  • 子网：255.255.255.0
  • 网关：.192.168.30.13
# 使用PC-10-1 ping PC-30-3
PC>ping 192.168.30.13

Ping 192.168.30.13: 32 data bytes, Press Ctrl_C to break
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable
From 192.168.10.11: Destination host unreachable

--- 192.168.10.11 ping statistics ---
  5 packet(s) transmitted
  0 packet(s) received
  100.00% packet loss
  
# ------------------------------------------------------------------------
# 使用PC-30-3 ping PC-10-1
PC>ping 192.168.10.11

Ping 192.168.10.11: 32 data bytes, Press Ctrl_C to break
From 192.168.30.13: Destination host unreachable
From 192.168.30.13: Destination host unreachable
From 192.168.30.13: Destination host unreachable
From 192.168.30.13: Destination host unreachable
From 192.168.30.13: Destination host unreachable

--- 192.168.30.13 ping statistics ---
  5 packet(s) transmitted
  0 packet(s) received
  100.00% packet loss

5. 将PC-10和PC-30的网关设置为对方的ip

PC-10-1

  • ip：192.168.10.11
  • 子网：255.255.255.0
  • 网关：192.168.30.13

PC-30-1

  • ip：192.168.30.13
  • 子网：255.255.255.0
  • 网关：192.168.10.11
# 使用PC-10-1 ping PC-30-3
PC>ping 192.168.30.13

Ping 192.168.30.13: 32 data bytes, Press Ctrl_C to break
From 192.168.30.13: bytes=32 seq=1 ttl=128 time=31 ms
From 192.168.30.13: bytes=32 seq=2 ttl=128 time=47 ms
From 192.168.30.13: bytes=32 seq=3 ttl=128 time=47 ms
From 192.168.30.13: bytes=32 seq=4 ttl=128 time=63 ms
From 192.168.30.13: bytes=32 seq=5 ttl=128 time=47 ms

--- 192.168.30.13 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 31/47/63 ms

# ------------------------------------------------------------------------
# 使用PC-30-3 ping PC-10-1
PC>ping 192.168.10.11

Ping 192.168.10.11: 32 data bytes, Press Ctrl_C to break
From 192.168.10.11: bytes=32 seq=1 ttl=128 time=31 ms
From 192.168.10.11: bytes=32 seq=2 ttl=128 time=47 ms
From 192.168.10.11: bytes=32 seq=3 ttl=128 time=62 ms
From 192.168.10.11: bytes=32 seq=4 ttl=128 time=31 ms
From 192.168.10.11: bytes=32 seq=5 ttl=128 time=47 ms

--- 192.168.10.11 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 31/43/62 ms

总结

不同网段下处于同一VLAN里的主机之间想要ping通，将自己的网关设置为对方的ip即可

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