root@T-1000:/home/krite# tcpdump -i eth0 -nn -s 0 -v port 67
tcpdump: WARNING: eth0: no IPv4 address assigned
tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
17:54:18.229872 IP (tos 0x0, ttl 64, id 63134, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.1.241
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:bb:b3
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
17:54:18.259715 IP (tos 0x0, ttl 64, id 63136, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.1.241
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:bb:b3
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:00:06.843251 IP (tos 0x0, ttl 64, id 63261, offset 0, flags [none], proto UDP (17), length 339)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 311, hops 1, xid 0x76e194bb, Flags [Broadcast]
Your-IP 172.22.1.148
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:15:44:2e:ac
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Domain-Name Option 15, length 11: "vgarant.lan"
Default-Gateway Option 3, length 4: 172.22.0.1
Domain-Name-Server Option 6, length 8: 192.168.10.1,212.98.160.50
Classless-Static-Route Option 121, length 8: (192.168.254.0/24:172.22.0.1)
Classless-Static-Route-Microsoft Option 249, length 8: (192.168.254.0/24:172.22.0.1)
18:01:44.979766 IP (tos 0x0, ttl 64, id 63307, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.3.16
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:c1:d9
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:01:45.007415 IP (tos 0x0, ttl 64, id 63309, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.3.16
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:c1:d9
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:02:43.882493 IP (tos 0x0, ttl 64, id 63325, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.1.190
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:a6:b6
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:02:43.915817 IP (tos 0x0, ttl 64, id 63327, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.1.190
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:a6:b6
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:06:47.117756 IP (tos 0x0, ttl 64, id 63438, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.17.89
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:b5:d6
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:06:47.150608 IP (tos 0x0, ttl 64, id 63440, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.17.89
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:22:b0:da:b5:d6
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:09:02.791117 IP (tos 0x0, ttl 64, id 63524, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.14.134
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:1e:58:e2:89:c9
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Offer
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
18:09:02.820508 IP (tos 0x0, ttl 64, id 63526, offset 0, flags [none], proto UDP (17), length 336)
172.22.0.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 308, hops 1, xid 0x5c76374, Flags [Broadcast]
Your-IP 172.22.14.134
Server-IP 192.168.254.3
Gateway-IP 172.22.0.1
Client-Ethernet-Address 00:1e:58:e2:89:c9
file "dlink-dcm202.bin6"
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: ACK
Server-ID Option 54, length 4: 192.168.254.3
Lease-Time Option 51, length 4: 86400
Subnet-Mask Option 1, length 4: 255.255.0.0
Default-Gateway Option 3, length 4: 172.22.0.1
Time-Zone Option 2, length 4: 7200
Time-Server Option 4, length 4: 192.168.10.1
^C
11 packets captured
11 packets received by filter
0 packets dropped by kernel
Только я тут не очень-то врубаюсь, где что искать...