科室主机ping不通中心服务器的时候,考虑增加路由 #4
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ip route add 192.168.206.0/24 via 192.168.183.254 dev enxdc326293434e
root@opm:~# ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.3.200 netmask 255.255.255.0 broadcast 192.168.3.255
inet6 fe80::541b:f278:456d:975d prefixlen 64 scopeid 0x20
ether 00:e0:4f:34:bb:87 txqueuelen 1000 (以太网)
RX packets 6823 bytes 465188 (465.1 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 5684 bytes 499099 (499.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enxdc326293434e: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.183.40 netmask 255.255.255.0 broadcast 192.168.183.255
inet6 fe80::6707:6084:7b32:b97d prefixlen 64 scopeid 0x20
ether dc:32:62:93:43:4e txqueuelen 1000 (以太网)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (本地环回)
RX packets 125051 bytes 425353253 (425.3 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 125051 bytes 425353253 (425.3 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
opm@opm:s ping 192.168.206.89
PING 192.168.206.89(192.168.206.89)56(84)bytes of data.From 192.168.3.200 icmp seq=1 Destination Host UnreachableFrom 192.168.3.200 icmp_seq=2 Destination Host Unreachableping:sendmsg:没有到主机的路由
From 192.168.3.200 icmp seq=3 Destination Host UnreachableFrom 192.168.3.200 icmp seq=4 Destination Host Unreachable
root@opm:~# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:e0:4f:34:bb:87 brd ff:ff:ff:ff:ff:ff
inet 192.168.3.200/24 brd 192.168.3.255 scope global noprefixroute enp2s0
valid_lft forever preferred_lft forever
inet6 fe80::541b:f278:456d:975d/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: wlp1s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 10:f0:05:d9:56:89 brd ff:ff:ff:ff:ff:ff
5: enxdc326293434e: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether dc:32:62:93:43:4e brd ff:ff:ff:ff:ff:ff
inet 192.168.183.40/24 brd 192.168.183.255 scope global noprefixroute enxdc326293434e
valid_lft forever preferred_lft forever
inet6 fe80::6707:6084:7b32:b97d/64 scope link noprefixroute
valid_lft forever preferred_lft forever
root@opm:~# ip route show
default via 192.168.3.1 dev enp2s0 proto static metric 20101
default via 192.168.183.254 dev enxdc326293434e proto static metric 20102
169.254.0.0/16 dev enxdc326293434e scope link metric 1000
192.168.3.0/24 dev enp2s0 proto kernel scope link src 192.168.3.200 metric 101
192.168.183.0/24 dev enxdc326293434e proto kernel scope link src 192.168.183.40 metric 102
root@opm:~# ip route | grep default
default via 192.168.3.1 dev enp2s0 proto static metric 20101
default via 192.168.183.254 dev enxdc326293434e proto static metric 20102
root@opm:~# ping 192.168.183.254
PING 192.168.183.254 (192.168.183.254) 56(84) bytes of data.
64 bytes from 192.168.183.254: icmp_seq=1 ttl=64 time=1.28 ms
64 bytes from 192.168.183.254: icmp_seq=2 ttl=64 time=1.37 ms
64 bytes from 192.168.183.254: icmp_seq=3 ttl=64 time=1.13 ms
^C
--- 192.168.183.254 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 1.126/1.257/1.371/0.100 ms
从前端网络配置的问题