this is output of sh int command
sh int
Vlan3 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description:
Internet address is 10.163.40.225/28
MTU 1500 bytes, BW 1000000 Kbit, DLY Encapsulation ARPA, loopback not set
Vlan4 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description:
Vlan7 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description:
Internet address is 10.180.0.1/30
Vlan9 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description:
Internet address is 10.180.0.6/30
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
output hang never
Last clearing of "show interface" counters never
Vlan12 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description: BTRadianz - London Stock Exchange Feed
Internet address is 10.180.0.9/29
buffers swapped out
Vlan17 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description: S2E - CFT Axway
Internet address is 10.180.0.18/30
ARP type: ARPA, ARP Timeout 04:00:00
Vlan100 is administratively down, line protocol is down
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description: Swift/Crest backup
Vlan101 is up, line protocol is up
Hardware is Cat6k RP Virtual Ethernet, address is 000f.35e0.7bfc (bia 000f.35e0.7bfc)
Description: Swift Crest SAG VPN
Internet address is 192.168.0.174/29
Input queue: 0/75/4/2 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 2000 bits/sec, 2 packets/sec
5 minute output rate 2000 bits/sec, 2 packets/sec
182518373 packets input, 2626452751 bytes, 0 no buffer
Received 23918852 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
167599924 packets output, 2621003072 bytes, 0 underruns
0 output errors, 2 interface resets
0 output buffer failures, 0 output buffers swapped out
Loopback0 is up, line protocol is up
Hardware is Loopback
Internet address is 10.163.40.14/32
MTU 1514 bytes, BW 8000000 Kbit, DLY 5000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation LOOPBACK, loopback not set
Last input 43w6d, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/0 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
4 packets output, 2416 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
My question is w ehave different IP address for vlans but why we have same Mac-address for all vlans?
If someone can explain we this ?
