>>Имеется коммутатор Cisco Catalyst 3560 и подключенное к нему оборудование с неизвестными
>>IP-адресом и mac-адресом.
>>Можно ли повесить на этот интерфейс подобие снифера средствами IOS чтобы прослушать
>>данный интерфейс.
>>Команда show arp ничего нового не показывает.
>
>а команда sh mac ? Поясню мне нужен интерфейс GigabitEthernet0/12 но и его в списке нет :(
S1-SW1#sh mac address-table
Mac Address Table
-------------------------------------------
Vlan Mac Address Type Ports
---- ----------- -------- -----
All 0100.0ccc.cccc STATIC CPU
All 0100.0ccc.cccd STATIC CPU
All 0180.c200.0000 STATIC CPU
All 0180.c200.0001 STATIC CPU
All 0180.c200.0002 STATIC CPU
All 0180.c200.0003 STATIC CPU
All 0180.c200.0004 STATIC CPU
All 0180.c200.0005 STATIC CPU
All 0180.c200.0006 STATIC CPU
All 0180.c200.0007 STATIC CPU
All 0180.c200.0008 STATIC CPU
All 0180.c200.0009 STATIC CPU
All 0180.c200.000a STATIC CPU
All 0180.c200.000b STATIC CPU
All 0180.c200.000c STATIC CPU
All 0180.c200.000d STATIC CPU
All 0180.c200.000e STATIC CPU
All 0180.c200.000f STATIC CPU
All 0180.c200.0010 STATIC CPU
All ffff.ffff.ffff STATIC CPU
10 0000.0c07.ac0a STATIC CPU
10 0003.ba31.9c88 DYNAMIC Gi0/14
10 000b.cde3.2983 DYNAMIC Gi0/14
10 000d.296c.01e0 DYNAMIC Gi0/14
10 000f.fe97.99b1 DYNAMIC Gi0/21
10 000f.fe97.a00f DYNAMIC Gi0/21
10 000f.fe97.a02d DYNAMIC Gi0/21
10 000f.fe97.a03b DYNAMIC Gi0/21
10 000f.fe97.a061 DYNAMIC Po10
10 000f.fe97.a299 DYNAMIC Gi0/21
10 0014.4f85.cfe4 DYNAMIC Po10
10 0014.4f85.e580 DYNAMIC Gi0/7
10 001d.7230.1b58 DYNAMIC Po10
10 001e.79f1.7841 DYNAMIC Po10
10 001e.7aa4.877a DYNAMIC Gi0/13
10 001e.bd9a.c418 DYNAMIC Po10
10 001e.bd9a.c443 DYNAMIC Po10
10 001e.bda7.c141 DYNAMIC Gi0/21
10 001e.be5c.ea72 DYNAMIC Po10
10 001e.ec9f.7524 DYNAMIC Po10
10 001e.eca2.0b26 DYNAMIC Po10
10 001e.f6bb.1c1b DYNAMIC Po10
10 001e.f6bb.201b DYNAMIC Gi0/1
10 0030.56f2.41d3 DYNAMIC Gi0/2
10 00c0.b7ca.9b53 DYNAMIC Po10
10 00c0.b7ca.9ccd DYNAMIC Po10
5 0000.0c9c.8479 DYNAMIC Gi0/15
5 0800.2082.e449 DYNAMIC Gi0/15
5 0800.2086.b7de DYNAMIC Gi0/15
5 0800.209b.deb6 DYNAMIC Gi0/15
1 001e.bd9a.c417 DYNAMIC Po10
1 001e.bd9a.c418 DYNAMIC Po10
1 001e.bda7.c115 DYNAMIC Gi0/21
1 001e.bda7.c116 DYNAMIC Gi0/22
2 001e.7ac3.268f DYNAMIC Gi0/10
2 001e.7ac3.26bb DYNAMIC Gi0/9
2 001e.bd9a.c418 DYNAMIC Po10
Total Mac Addresses for this criterion: 57
S1-SW1#
При этом
S1-SW1#sh interfaces GigabitEthernet 0/12
GigabitEthernet0/12 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 001e.bd9a.cb0c (bia 001e.bd9a.cb0c)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, media type is 10/100/1000BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:00:01, 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: 0/40 (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 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
147611 packets output, 10533662 bytes, 0 underruns
0 output errors, 0 collisions, 9 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
S1-SW1#
