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CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

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Task 5: Look at the VLAN Interface Information<br />

Step 1. On Switch_A, type the comm<strong>and</strong> show interface vlan 1 at the privileged EXEC mode prompt.<br />

Switch_A#show interface vlan 1<br />

Vlan1 is up, line protocol is up<br />

Hardware is CPU Interface, address is 0009.b7f5.6d80 (bia 0009.b7f5.6d80)<br />

Internet address is 192.168.1.2/24<br />

MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,<br />

reliability 255/255, txload 1/255, rxload 1/255<br />

Encapsulation ARPA, loopback not set<br />

ARP type: ARPA, ARP Timeout 04:00:00<br />

Last input 00:01:00, output never, output hang never<br />

Last clearing of “show interface” counters never<br />

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0<br />

Queueing strategy: fifo<br />

Output queue :0/40 (size/max)<br />

5 minute input rate 0 bits/sec, 0 packets/sec<br />

5 minute output rate 9000 bits/sec, 5 packets/sec<br />

1184 packets input, 104481 bytes, 0 no buffer<br />

Received 137 broadcasts, 0 runts, 0 giants, 0 throttles<br />

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored<br />

3439 packets output, 1160044 bytes, 0 underruns<br />

0 output errors, 4 interface resets<br />

0 output buffer failures, 0 output buffers swapped out<br />

Step 2. What is the MAC address of the switch?<br />

0009.b7f5.5a41<br />

Step 3. On Switch_B, type the comm<strong>and</strong> show interface vlan 1 at the privileged EXEC mode prompt.<br />

Step 4. What is the MAC address of the switch?<br />

0009.b7f5.6d81<br />

Step 5. Which switch should be the root of the spanning tree for VLAN 1?<br />

Switch_A<br />

Step 6. What would you do if you wanted to change which switch is root for VLAN 1?<br />

Change the priority<br />

True or False: After changing which switch is root, you must reload the switches for the change<br />

to take effect.<br />

False<br />

Task 6: Look at the Switches’ Spanning-Tree Tables<br />

Step 1. On Switch_A, type show spanning-tree brief at the privileged EXEC mode prompt if you are<br />

running Cisco IOS Software Release 12.0. If you are running Cisco IOS Software Release<br />

12.1, type show spanning-tree.<br />

Switch_A#show spanning-tree brief<br />

VLAN1<br />

Spanning tree enabled protocol ieee<br />

Root ID Priority 32768<br />

Address 0009.b7f5.5a41<br />

Chapter 7: Spanning Tree Protocol 327

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