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- lsm1:~ # tcpdump -i eth1 -vvv -s 0 port bootps
- tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
- 13:33:27.340371 IP (tos 0x10, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 328)
- 0.0.0.0.bootpc > 255.255.255.255.bootps: [udp sum ok] BOOTP/DHCP, Request from 52:54:00:bd:8a:6e (oui Unknown), length 300, xid 0x93b0122e, Flags [none] (0x0000)
- Client-Ethernet-Address 52:54:00:bd:8a:6e (oui Unknown)
- Vendor-rfc1048 Extensions
- Magic Cookie 0x63825363
- DHCP-Message Option 53, length 1: Discover
- Client-ID Option 61, length 5: "vm02"
- Vendor-Class Option 60, length 12: "dhcpcd 3.2.3"
- Hostname Option 12, length 4: "vm02"
- Parameter-Request Option 55, length 1:
- Domain-Name-Server
- END Option 255, length 0
- PAD Option 0, length 0, occurs 26
- 13:33:27.340713 IP (tos 0xc0, ttl 64, id 33527, offset 0, flags [none], proto UDP (17), length 328)
- lsm.bootps > vm02.private.bpcompass.com.bootpc: [bad udp cksum 0x4afe -> 0xc08f!] BOOTP/DHCP, Reply, length 300, xid 0x93b0122e, Flags [none] (0x0000)
- Your-IP vm02.private.bpcompass.com
- Server-IP lsm
- Client-Ethernet-Address 52:54:00:bd:8a:6e (oui Unknown)
- Vendor-rfc1048 Extensions
- Magic Cookie 0x63825363
- DHCP-Message Option 53, length 1: Offer
- Server-ID Option 54, length 4: lsm
- Lease-Time Option 51, length 4: 3600
- RN Option 58, length 4: 1800
- RB Option 59, length 4: 3150
- Subnet-Mask Option 1, length 4: 255.255.255.0
- BR Option 28, length 4: 192.168.100.255
- Domain-Name-Server Option 6, length 4: lsm
- Default-Gateway Option 3, length 4: lsm
- END Option 255, length 0
- PAD Option 0, length 0, occurs 8
- 13:33:27.342085 IP (tos 0x10, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 340)
- 0.0.0.0.bootpc > 255.255.255.255.bootps: [udp sum ok] BOOTP/DHCP, Request from 52:54:00:bd:8a:6e (oui Unknown), length 312, xid 0x93b0122e, Flags [none] (0x0000)
- Client-Ethernet-Address 52:54:00:bd:8a:6e (oui Unknown)
- Vendor-rfc1048 Extensions
- Magic Cookie 0x63825363
- DHCP-Message Option 53, length 1: Request
- MSZ Option 57, length 2: 1500
- Client-ID Option 61, length 5: "vm02"
- Vendor-Class Option 60, length 12: "dhcpcd 3.2.3"
- Requested-IP Option 50, length 4: vm02.private.bpcompass.com
- Server-ID Option 54, length 4: lsm
- Hostname Option 12, length 4: "vm02"
- Parameter-Request Option 55, length 23:
- RN, RB, Subnet-Mask, BR
- Classless-Static-Route, Static-Route, Default-Gateway, Hostname
- Option 119, Domain-Name, Domain-Name-Server, YD
- YS, NTP, MTU, RP
- Option 120, LPR-Server, LOG, Netbios-Name-Server
- WDD, Netbios-Node, Netbios-Scope
- END Option 255, length 0
- 13:33:27.391518 IP (tos 0xc0, ttl 64, id 33549, offset 0, flags [none], proto UDP (17), length 332)
- lsm.bootps > vm02.private.bpcompass.com.bootpc: [bad udp cksum 0x4b02 -> 0x6b86!] BOOTP/DHCP, Reply, length 304, xid 0x93b0122e, Flags [none] (0x0000)
- Your-IP vm02.private.bpcompass.com
- Server-IP lsm
- Client-Ethernet-Address 52:54:00:bd:8a:6e (oui Unknown)
- Vendor-rfc1048 Extensions
- Magic Cookie 0x63825363
- DHCP-Message Option 53, length 1: ACK
- Server-ID Option 54, length 4: lsm
- Lease-Time Option 51, length 4: 3600
- RN Option 58, length 4: 1800
- RB Option 59, length 4: 3150
- Subnet-Mask Option 1, length 4: 255.255.255.0
- BR Option 28, length 4: 192.168.100.255
- Domain-Name-Server Option 6, length 4: lsm
- Hostname Option 12, length 4: "vm02"
- Default-Gateway Option 3, length 4: lsm
- NTP Option 42, length 4: lsm
- END Option 255, length 0
- ^C
- 4 packets captured
- 4 packets received by filter
- 0 packets dropped by kernel
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