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--- cisco_inter_vlan_routing [2024/01/20 22:58] – [Logical Interfaces] walkeradmin
+++ cisco_inter_vlan_routing [2024/01/21 13:35] – walkeradmin
@@ Line 1: / Line 1: @@
 ====== Cisco Inter VLAN Routing ======
+==== aka Switch Virtual Interfaces (SVIs) or Management Interface ====
 <color #db5f0b>Jan 2024</color>
 \\
@@ Line 124: / Line 125: @@
 conf t
 int vlan 10
-ip address 192.168.1.254 255.255.255.0
+ip address 192.168.1.1 255.255.255.0
 end
 </file>
@@ Line 137: / Line 138: @@
 !
 interface Vlan10
- ip address 192.168.1.254 255.255.255.0
+ ip address 192.168.1.1 255.255.255.0
 !
 interface Vlan20
- ip address 10.43.30.254 255.255.255.0
+ ip address 10.43.30.1 255.255.255.0
 </file>
 Above we can now see that VLAN10 and VLAN20 have a <color #ed1c24>virtual interfaces</color> and also have IP Addresses associated with them.
@@ Line 149: / Line 150: @@
 Now that we have two devices connected to our VLAN and each VLAN has an IP Address in each Subnet, we can Ping our two devices from the Switch Interface:
 \\
+\\
+<color #ed1c24>**** If you set the VLAN address for example to 192.168.1.1 then this must be the gateway on your device ****</color>
 <file>
 ping 192.168.1.38
@@ Line 166: / Line 169: @@
 </file>
 <color #ed1c24>**** NOTE, if you cannot PING, ensure that the firewall is disabled on the devices for this test ****</color>
+\\
 \\
 ----
 ==== IP Routing ====
-\\
 As a quick reminder, here is a diagram of the network we are using:
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@@ Line 192: / Line 195: @@
 \\
 \\
-To enable IP Routing on the switch, we will use the following:
+To enable <color #ed1c24>IP Routing</color> on the switch, we will use the following:
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+  en
+  conf t
+  ip routing
+  end
+There is no text return from running this command.
 \\
 \\
+No we can test to see the routes by using the following:
+<file>
+sh ip route
+Codes: 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
+Gateway of last resort is not set
+.0.0.0/24 is subnetted, 1 subnets
+C       10.43.30.0 is directly connected, Vlan20
+C    192.168.1.0/24 is directly connected, Vlan10
+</file>
+\\
+We can see that the two <color #ed1c24>interface VLANs</color> are shown (10.43.30.0 is directly connected, Vlan20 and 192.168.1.0/24 is directly connected, Vlan10).
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-<color #ed1c24>**** seems my switch doesn't support this..... please standby while I source another.. ****</color>
+\\
+Now try to ping from Device A (192.168.1.38) to Device B (10.43.30.100). Remember, the gateway of Device A must be the IP Address of VLAN 10 (192.168.1.1 in this example).
+\\
+<file>
+Pinging 10.43.30.100 with 32 bytes of data:
+Reply from 10.43.30.100: bytes=32 time<1ms TTL=127
+Reply from 10.43.30.100: bytes=32 time=1ms TTL=127
+Reply from 10.43.30.100: bytes=32 time=1ms TTL=127
+Reply from 10.43.30.100: bytes=32 time<1ms TTL=127
+</file>
+Now we can communicate with devices in VLAN 20 from VLAN 10.
 \\
 \\