TXID mismatch between DHCP Request-Offer (devel version)

[Chinnapaiyan, Nagamani]

Thanks for the quick fix. Now TXID is fixed. But the server responds with OFFER even for Request message.
Attached the pcap for your reference.

Debug output for Redis_ippool:

Ready to process requests

proto_dhcpv4_udp - Received DHCP-Discover XID 00000000 length 259 proto_dhcpv4_udp server 10.43.18.92 port 67

Network received packet size 259

Resetting worker 30 cleanup timer to +0s

(0)  running request

(0)  Received DHCP-Discover XID 00000000 from 127.0.0.1:67 to 10.43.18.92:67 via lo

(0)    &DHCP-Opcode = Client-Message

(0)    &DHCP-Hardware-Type = Ethernet

(0)    &DHCP-Hardware-Address-Length = 6

(0)    &DHCP-Hop-Count = 1

(0)    &DHCP-Transaction-Id = 0

(0)    &DHCP-Number-of-Seconds = 0

(0)    &DHCP-Flags = 0

(0)    &DHCP-Client-IP-Address = 127.0.0.1

(0)    &DHCP-Your-IP-Address = 0.0.0.0

(0)    &DHCP-Server-IP-Address = 0.0.0.0

(0)    &DHCP-Gateway-IP-Address = 127.0.0.1

(0)    &DHCP-Client-Hardware-Address = 00:a1:bc:00:00:01

(0)    &DHCP-Message-Type = DHCP-Discover

(0)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(0)    &DHCP-Client-Identifier = 0x0100a1bc000001

(0)  Running 'recv DHCP-Discover' from file /usr/local/etc/raddb/sites-enabled/dhcp

(0)  recv DHCP-Discover {

(0)    update reply {

(0)      DHCP-Message-Type = DHCP-Offer

(0)    } # update reply (noop)

(0)    update reply {

(0)      &DHCP-Domain-Name-Server = 127.0.0.1

(0)      &DHCP-Subnet-Mask = 255.255.255.0

(0)      &DHCP-Router-Address = 10.43.18.92

(0)      &DHCP-IP-Address-Lease-Time = 86400

(0)      &DHCP-DHCP-Server-Identifier = 10.43.18.92

(0)    } # update reply (noop)

(0)    update control {

(0)      &Pool-Name := "local"

(0)    } # update control (noop)

(0)    redis_ippool - Allocating lease from pool "local", to "00:a1:bc:00:00:01", expires in 300s

(0)    redis_ippool - Reserved connection (1)

(0)    redis_ippool - [1] >>> Sending command(s) to 127.0.0.1:6379

(0)    redis_ippool - [1] <<< Returned: success

(0)    redis_ippool - Released connection (1)

(0)    redis_ippool - Need 2 more connections to reach min connections (4)

(0)    redis_ippool - Opening additional connection (2), 1 of 2 pending slots used

rlm_redis (redis) [1]: Connecting node to 127.0.0.1:6379

(0)    redis_ippool - &reply:DHCP-Your-IP-Address := 192.168.0.122

(0)    redis_ippool - &reply:DHCP-IP-Address-Lease-Time := 300

(0)    redis_ippool - IP address lease allocated

(0)    redis_ippool (updated)

(0)    ok (ok)

(0)  } # recv DHCP-Discover (updated)

(0)  Sent DHCP-Offer XID 00000000 from 10.43.18.92:67 to 127.0.0.1:67 via lo

(0)    &DHCP-Message-Type = DHCP-Offer

(0)    &DHCP-Domain-Name-Server = 127.0.0.1

(0)    &DHCP-Subnet-Mask = 255.255.255.0

(0)    &DHCP-Router-Address = 10.43.18.92

(0)    &DHCP-IP-Address-Lease-Time := 300

(0)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(0)  done request

(0)  finished request.

Ready to process requests

Reply will be unicast to CIADDR from original packet.

proto_dhcpv4_udp - cleaning up ID 1

Ready to process requests

proto_dhcpv4_udp - Received DHCP-Request XID 00000000 length 265 proto_dhcpv4_udp server 10.43.18.92 port 67

Network received packet size 265

Resetting worker 30 cleanup timer to +0s

(1)  running request

(1)  Received DHCP-Discover XID 00000000 from 127.0.0.1:67 to 10.43.18.92:67 via lo

(1)    &DHCP-Opcode = Client-Message

(1)    &DHCP-Hardware-Type = Ethernet

(1)    &DHCP-Hardware-Address-Length = 6

(1)    &DHCP-Hop-Count = 1

(1)    &DHCP-Transaction-Id = 0

(1)    &DHCP-Number-of-Seconds = 0

(1)    &DHCP-Flags = 0

(1)    &DHCP-Client-IP-Address = 127.0.0.1

(1)    &DHCP-Your-IP-Address = 0.0.0.0

(1)    &DHCP-Server-IP-Address = 0.0.0.0

(1)    &DHCP-Gateway-IP-Address = 127.0.0.1

(1)    &DHCP-Client-Hardware-Address = 00:a1:bc:00:00:01

(1)    &DHCP-Requested-IP-Address = 192.168.0.122

(1)    &DHCP-Message-Type = DHCP-Request

(1)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(1)    &DHCP-Client-Identifier = 0x0100a1bc000001

(1)  Running 'recv DHCP-Discover' from file /usr/local/etc/raddb/sites-enabled/dhcp

(1)  recv DHCP-Discover {

(1)    update reply {

(1)      DHCP-Message-Type = DHCP-Offer

(1)    } # update reply (noop)

(1)    update reply {

(1)      &DHCP-Domain-Name-Server = 127.0.0.1

(1)      &DHCP-Subnet-Mask = 255.255.255.0

(1)      &DHCP-Router-Address = 10.43.18.92

(1)      &DHCP-IP-Address-Lease-Time = 86400

(1)      &DHCP-DHCP-Server-Identifier = 10.43.18.92

(1)    } # update reply (noop)

(1)    update control {

(1)      &Pool-Name := "local"

(1)    } # update control (noop)

(1)    redis_ippool - Allocating lease from pool "local", to "00:a1:bc:00:00:01", expires in 300s

(1)    redis_ippool - Reserved connection (2)

(1)    redis_ippool - [1] >>> Sending command(s) to 127.0.0.1:6379

(1)    redis_ippool - [1] <<< Returned: success

(1)    redis_ippool - Released connection (2)

(1)    redis_ippool - &reply:DHCP-Your-IP-Address := 192.168.0.122

(1)    redis_ippool - &reply:DHCP-IP-Address-Lease-Time := 300

(1)    redis_ippool - IP address lease allocated

(1)    redis_ippool (updated)

(1)    ok (ok)

(1)  } # recv DHCP-Discover (updated)

(1)  Sent DHCP-Offer XID 00000000 from 10.43.18.92:67 to 127.0.0.1:67 via lo

(1)    &DHCP-Message-Type = DHCP-Offer

(1)    &DHCP-Domain-Name-Server = 127.0.0.1

(1)    &DHCP-Subnet-Mask = 255.255.255.0

(1)    &DHCP-Router-Address = 10.43.18.92

(1)    &DHCP-IP-Address-Lease-Time := 300

(1)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(1)  done request

(1)  finished request.

Ready to process requests

Reply will be unicast to CIADDR from original packet.

proto_dhcpv4_udp - cleaning up ID 1

Ready to process requests
Debug output for mac2ip:

proto_dhcpv4_udp - Received DHCP-Discover XID 00000000 length 259 proto_dhcpv4_udp server 10.43.18.92 port 67

Network received packet size 259

Resetting worker 30 cleanup timer to +0s

(4)  running request

(4)  Received DHCP-Discover XID 00000000 from 127.0.0.1:67 to 10.43.18.92:67 via lo

(4)    &DHCP-Opcode = Client-Message

(4)    &DHCP-Hardware-Type = Ethernet

(4)    &DHCP-Hardware-Address-Length = 6

(4)    &DHCP-Hop-Count = 1

(4)    &DHCP-Transaction-Id = 0

(4)    &DHCP-Number-of-Seconds = 0

(4)    &DHCP-Flags = 0

(4)    &DHCP-Client-IP-Address = 127.0.0.1

(4)    &DHCP-Your-IP-Address = 0.0.0.0

(4)    &DHCP-Server-IP-Address = 0.0.0.0

(4)    &DHCP-Gateway-IP-Address = 127.0.0.1

(4)    &DHCP-Client-Hardware-Address = 00:a1:bc:00:00:01

(4)    &DHCP-Message-Type = DHCP-Discover

(4)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(4)    &DHCP-Client-Identifier = 0x0100a1bc000001

(4)  Running 'recv DHCP-Discover' from file /usr/local/etc/raddb/sites-enabled/dhcp

(4)  recv DHCP-Discover {

(4)    update reply {

(4)      DHCP-Message-Type = DHCP-Offer

(4)    } # update reply (noop)

(4)    update reply {

(4)      &DHCP-Domain-Name-Server = 127.0.0.1

(4)      &DHCP-Subnet-Mask = 255.255.255.0

(4)      &DHCP-Router-Address = 10.43.18.92

(4)      &DHCP-IP-Address-Lease-Time = 86400

(4)      &DHCP-DHCP-Server-Identifier = 10.43.18.92

(4)    } # update reply (noop)

(4)    mac2ip - Added DHCP-Your-IP-Address: '10.1.1.3' to reply_items

(4)    mac2ip (ok)

(4)    ok (ok)

(4)  } # recv DHCP-Discover (ok)

(4)  Sent DHCP-Offer XID 00000000 from 10.43.18.92:67 to 127.0.0.1:67 via lo

(4)    &DHCP-Message-Type = DHCP-Offer

(4)    &DHCP-Domain-Name-Server = 127.0.0.1

(4)    &DHCP-Subnet-Mask = 255.255.255.0

(4)    &DHCP-Router-Address = 10.43.18.92

(4)    &DHCP-IP-Address-Lease-Time = 86400

(4)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(4)  done request

(4)  finished request.

Ready to process requests

Reply will be unicast to CIADDR from original packet.

proto_dhcpv4_udp - cleaning up ID 1

Ready to process requests

proto_dhcpv4_udp - Received DHCP-Request XID 00000000 length 265 proto_dhcpv4_udp server 10.43.18.92 port 67

Network received packet size 265

Resetting worker 30 cleanup timer to +0s

(5)  running request

(5)  Received DHCP-Discover XID 00000000 from 127.0.0.1:67 to 10.43.18.92:67 via lo

(5)    &DHCP-Opcode = Client-Message

(5)    &DHCP-Hardware-Type = Ethernet

(5)    &DHCP-Hardware-Address-Length = 6

(5)    &DHCP-Hop-Count = 1

(5)    &DHCP-Transaction-Id = 0

(5)    &DHCP-Number-of-Seconds = 0

(5)    &DHCP-Flags = 0

(5)    &DHCP-Client-IP-Address = 127.0.0.1

(5)    &DHCP-Your-IP-Address = 0.0.0.0

(5)    &DHCP-Server-IP-Address = 0.0.0.0

(5)    &DHCP-Gateway-IP-Address = 127.0.0.1

(5)    &DHCP-Client-Hardware-Address = 00:a1:bc:00:00:01

(5)    &DHCP-Requested-IP-Address = 10.1.1.3

(5)    &DHCP-Message-Type = DHCP-Request

(5)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(5)    &DHCP-Client-Identifier = 0x0100a1bc000001

(5)  Running 'recv DHCP-Discover' from file /usr/local/etc/raddb/sites-enabled/dhcp

(5)  recv DHCP-Discover {

(5)    update reply {

(5)      DHCP-Message-Type = DHCP-Offer

(5)    } # update reply (noop)

(5)    update reply {

(5)      &DHCP-Domain-Name-Server = 127.0.0.1

(5)      &DHCP-Subnet-Mask = 255.255.255.0

(5)      &DHCP-Router-Address = 10.43.18.92

(5)      &DHCP-IP-Address-Lease-Time = 86400

(5)      &DHCP-DHCP-Server-Identifier = 10.43.18.92

(5)    } # update reply (noop)

(5)    mac2ip - Added DHCP-Your-IP-Address: '10.1.1.3' to reply_items

(5)    mac2ip (ok)

(5)    ok (ok)

(5)  } # recv DHCP-Discover (ok)

(5)  Sent DHCP-Offer XID 00000000 from 10.43.18.92:67 to 127.0.0.1:67 via lo

(5)    &DHCP-Message-Type = DHCP-Offer

(5)    &DHCP-Domain-Name-Server = 127.0.0.1

(5)    &DHCP-Subnet-Mask = 255.255.255.0

(5)    &DHCP-Router-Address = 10.43.18.92

(5)    &DHCP-IP-Address-Lease-Time = 86400

(5)    &DHCP-DHCP-Server-Identifier = 10.43.18.92

(5)  done request

(5)  finished request.

Ready to process requests

Reply will be unicast to CIADDR from original packet.

proto_dhcpv4_udp - cleaning up ID 1

Ready to process requests


Regards,
Nagamani Chinnapaiyan

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