linux網(wǎng)絡(luò)不可達

route:?SIOCADDRT:?Network?is?unreachable

[root@vm50?~]#?nmcli?connection?show?//查看網(wǎng)卡

eth0?4f5f8b5d-4b51-4e1c-98c7-40f0eb90f241?802-3-ethernet?eth0 virbr0?566dccb2-cbb0-4bbe-a714-06f3d313d9cd?bridge?virbr0 [root@vm50?~]#?nmcli?connection?add?con-name?eth1?type?ethernet?ifname?eth1???//添加網(wǎng)卡 連接“eth1”(4cb9f43e-77d6-455f-990c-620e4a12d52b)?已成功添加。  [root@vm50?~]#?nmcli?connection?modify?eth1?ipv4.method?manual??ipv4.addresses?192.168.2.50/24?con.autoconnect?yes??//?配置ip地址，此處192.168.2.50/24（24未加，則網(wǎng)絡(luò)不可達） [root@vm50?~]#?nmcli?connection?up?eth1????/激活網(wǎng)卡 連接已成功激活（D-Bus?活動路徑：/org/freedesktop/NetworkManager/ActiveConnection/8） [root@vm50?~]#?nmcli?connection?show 名稱????UUID??????????????????????????????????類型????????????設(shè)備??? eht1????4cb9f43e-77d6-455f-990c-620e4a12d52b??802-3-ethernet??eth1??????????//已經(jīng)添加的網(wǎng)卡 eth0????4f5f8b5d-4b51-4e1c-98c7-40f0eb90f241??802-3-ethernet??eth0??? virbr0??566dccb2-cbb0-4bbe-a714-06f3d313d9cd??bridge??????????virbr0

[root@mysql51?~]#?systemctl?stop?NetworkManager????//配置網(wǎng)關(guān)，需先停止網(wǎng)絡(luò)管理??? [root@mysql51?~]#?route?-n??????????????????//查看網(wǎng)關(guān)Gateway??????? Kernel?IP?routing?table Destination?????Gateway?????????Genmask?????????Flags?Metric?Ref????Use?Iface 192.168.4.0?????0.0.0.0?????????255.255.255.0???U?????100????0????????0?eth0 192.168.122.0???0.0.0.0?????????255.255.255.0???U?????0??????0????????0?virbr0 [root@mysql51?~]#?route?add?default?gw?192.168.4.50????????????????? ????route:?SIOCADDRT:?Network?is?unreachable????//配置網(wǎng)關(guān)，出現(xiàn)網(wǎng)絡(luò)不可達，重新配置ip [root@mysql51?~]#?route?add?default?gw?192.168.4.50 [root@mysql51?~]#?route?-n Kernel?IP?routing?table Destination?????Gateway?????????Genmask?????????Flags?Metric?Ref????Use?Iface 0.0.0.0?????????192.168.4.50????0.0.0.0?????????UG????0??????0????????0?eth0??????? 192.168.4.0?????0.0.0.0?????????255.255.255.0???U?????100????0????????0?eth0 192.168.122.0???0.0.0.0?????????255.255.255.0???U?????0??????0????????0?virbr0