diff --git "a/\347\250\213\345\270\205\347\277\224/4.27\344\275\234\344\270\232.md" "b/\347\250\213\345\270\205\347\277\224/4.27\344\275\234\344\270\232.md"
new file mode 100644
index 0000000000000000000000000000000000000000..888b74e2705bd83bf6f0d5dbc3088664b574352f
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@@ -0,0 +1,35 @@
+作业
+
+R1
+
+Router>en
+
+Router#conf t
+
+Router(config)#host R1
+
+R1(config)#int f0/0
+
+R1(config-if)#no shut
+
+R1(config-if)#ip address 192.168.1.254 255.255.255.0
+
+R1(config-if)#int f0/1
+
+R1(config-if)#no shut
+
+R1(config-if)#
+
+%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
+
+
+
+R1(config-if)#ip address 192.168.3.1 255.255.255.0
+
+R1(config-if)#route rip
+
+R1(config-router)#v 2
+
+R1(config-router)#network 192.168.1.0
+
+R1(config-router)#network 192.168.3.0
\ No newline at end of file