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Is this right? We have ISC 2.0b1pl23, get a BOOTP
request, it's on the server subnet. I noticed that
the dest IP in the reply is the offered address, not
to a broadcast address.
Is that not right? I thought you had to broadcast
until you could guarantee that the target was configured?!?
This is for a new lease, but the behavior is the same
if you have an old dynamic bootp lease in there as well,
namely, it unicasts to the IP.
Here's a reply:
ETHER: ----- Ether Header -----
ETHER:
ETHER: Packet 42 arrived at 8:46:16.18
ETHER: Packet size = 342 bytes
ETHER: Destination = 0:20:af:de:ef:db,
The above is weird yes?
ETHER: Source = 8:0:20:7b:b3:a7, Sun
ETHER: Ethertype = 0800 (IP)
ETHER:
IP: ----- IP Header -----
IP:
IP: Version = 4
IP: Header length = 20 bytes
IP: Type of service = 0x10
IP: xxx. .... = 0 (precedence)
IP: ...1 .... = low delay
IP: .... 0... = normal throughput
IP: .... .0.. = normal reliability
IP: Total length = 328 bytes
IP: Identification = 0
IP: Flags = 0x0
IP: .0.. .... = may fragment
IP: ..0. .... = last fragment
IP: Fragment offset = 0 bytes
IP: Time to live = 16 seconds/hops
IP: Protocol = 17 (UDP)
IP: Header checksum = ebef
IP: Source address = 0.0.0.0, OLD-BROADCAST
IP: Destination address = 128.223.60.199, d60-199.uoregon.edu
The above is also weird, yes?
IP: No options
IP:
UDP: ----- UDP Header -----
UDP:
UDP: Source port = 67
UDP: Destination port = 68 (BOOTPC)
UDP: Length = 308
UDP: Checksum = 6C97
UDP:
DHCP: ----- Dynamic Host Configuration Protocol -----
DHCP:
DHCP: Hardware address type (htype) = 1 (Ethernet (10Mb))
DHCP: Hardware address length (hlen) = 6 octets
DHCP: Relay agent hops = 0
DHCP: Transaction ID = 0xc3600237
DHCP: Time since boot = 256 seconds
DHCP: Flags = 0x0000
DHCP: Client address (ciaddr) = 0.0.0.0
DHCP: Your client address (yiaddr) = 128.223.60.199
DHCP: Next server address (siaddr) = 128.223.60.21
DHCP: Relay agent address (giaddr) = 0.0.0.0
DHCP: Client hardware address (chaddr) = 00:20:AF:DE:EF:DB
DHCP:
DHCP: ----- (Options) field options -----
DHCP:
DHCP: Server Identifier = 128.223.60.21
DHCP: Subnet mask = 255.255.254.0
DHCP: Router at = 128.223.60.1
DHCP: DNS server at = 128.223.32.35
DHCP: Network broadcast address = 128.223.61.255
???
John Kemp ([EMAIL PROTECTED])
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