diff options
Diffstat (limited to 'junos-bootstrap/dhcpd')
| -rw-r--r-- | junos-bootstrap/dhcpd/DHCP_protocol_breakdown.txt | 18 | ||||
| -rw-r--r-- | junos-bootstrap/dhcpd/module_craft_option.py | 79 | ||||
| -rw-r--r-- | junos-bootstrap/dhcpd/module_lease.py | 174 | ||||
| -rw-r--r-- | junos-bootstrap/dhcpd/server_dhcp.py | 323 | ||||
| -rw-r--r-- | junos-bootstrap/dhcpd/terminal.log | 146 |
5 files changed, 0 insertions, 740 deletions
diff --git a/junos-bootstrap/dhcpd/DHCP_protocol_breakdown.txt b/junos-bootstrap/dhcpd/DHCP_protocol_breakdown.txt deleted file mode 100644 index 5af2bf2..0000000 --- a/junos-bootstrap/dhcpd/DHCP_protocol_breakdown.txt +++ /dev/null @@ -1,18 +0,0 @@ -Length of DHCP fields in octets, and their placement in packet. -Ref: http://4.bp.blogspot.com/-IyYoFjAC4l8/UXuo16a3sII/AAAAAAAAAXQ/b6BojbYXoXg/s1600/DHCPTitle.JPG -0 OP - 1 -1 HTYPE - 1 -2 HLEN - 1 -3 HOPS - 1 -4 XID - 4 -5 SECS - 2 -6 FLAGS - 2 -7 CIADDR - 4 -8 YIADDR - 4 -9 SIADDR - 4 -10 GIADDR - 4 -11 CHADDR - 6 -12 MAGIC COOKIE - 10 -13 PADDING - 192 octets of 0's -14 MAGIC COOKIE - 4 -15 OPTIONS - variable length diff --git a/junos-bootstrap/dhcpd/module_craft_option.py b/junos-bootstrap/dhcpd/module_craft_option.py deleted file mode 100644 index 35e7328..0000000 --- a/junos-bootstrap/dhcpd/module_craft_option.py +++ /dev/null @@ -1,79 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- - -''' - Created by Jonas 'j' Lindstad for The Gathering 2015 - License: GPLv3 - - Class used to craft byte hex encoded DHCP options - - NB: No direct support for suboptions. Should be possible to craft suboptions as - options, and inject them with craft_option(<option>).raw_hes(<conconcatenated options>) - - Usage examples: - craft_option.debug = True - print(craft_option(1).string('vg.no')) - print(craft_option(2).bytes(b'abcd')) - print(craft_option(3).bytes(socket.inet_aton('192.168.0.55'))) - print(craft_option(4).bytes(b'\xde\xad\xbe\xef\xfe\xed')) - print(craft_option(5).raw_hex(b'\x72\x78')) - print(craft_option(6).ip('255.255.128.0')) -''' - -from binascii import hexlify, unhexlify - -class craft_option(object): - # content = b'' # content will be stored as hex values like hex(10) + hex(255) = 0aff - debug = False - def __init__(self, code): - self.code = self.__int_to_pad_byte(code) - - # Works as intended - # internal function. Converts int(3) to str('03'), int('11') to str('0b'), int(255) to str('ff') - def __int_to_pad_byte(self, integer): - return hex(integer).split('x')[1].rjust(2, '0').encode() - - # Works as intended - def string(self, string): - self.method = 'string' - self.content = hexlify(string.encode()) - return self.process() - - # Works as intended - def bytes(self, bytes): - self.method = 'bytes' - self.content = hexlify(bytes) - return self.process() - - # Works as intended - # str('10.20.30.40') to b'\x10\x20\x30\x40' - def ip(self, ip): - self.method = 'ip' - self.content = ''.join([hex(int(i))[2:].rjust(2, '0') for i in ip.split('.')]).encode() - return self.process() - - # Works as intended - # string like '\x72\x78' for 'rx' - def raw_hex(self, raw_hex): - self.method = 'raw_hex' - self.content = hexlify(raw_hex) - return self.process() - - - - # TODO Does not work as intended - # int(666) to b'\x02\x9A' - def integer(self, integer): - self.method = 'integer' - self.content = ''.join([hex(int(i))[2:].rjust(2, '0') for i in ip.split('.')]) - return self.process() - - def process(self): - length = self.__int_to_pad_byte(len(unhexlify(self.content))) - if self.debug is True: - print('----------') - print(self.method + '():') - print(self.code + length) - print(b'content: ' + self.content) - print(unhexlify(self.content)) - return unhexlify(self.code + length + self.content) diff --git a/junos-bootstrap/dhcpd/module_lease.py b/junos-bootstrap/dhcpd/module_lease.py deleted file mode 100644 index 306f13a..0000000 --- a/junos-bootstrap/dhcpd/module_lease.py +++ /dev/null @@ -1,174 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- - -''' - Created by Jonas 'j' Lindstad for The Gathering 2015 - License: GPLv3 - - Class used to fetch data from the Postgres DB - - Usage examples: - lease.debug = True - x = lease({'distro_name': 'distro-test', 'distro_phy_port': 'ge-0/0/6'}).get_dict() - print('key lookup - hostname: %s' % x['hostname']) -''' - -import psycopg2 -import psycopg2.extras - -# settings -settings = dict( - db = dict( - user = 'bootstrap', - password = 'asdf', - dbname = 'bootstrap', - host = 'localhost' - ) -) - -# connect to Postgres DB -connect_params = ("dbname='%s' user='%s' host='%s' password='%s'" % (settings['db']['dbname'], settings['db']['user'], settings['db']['host'], settings['db']['password'])) -conn = psycopg2.connect(connect_params) -cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor) - -class lease(object): - debug = False - - def __init__(self, identifiers): - if len(identifiers) > 0: # 1 or more identifiers - we're good to go - - # build query string - where_pieces = [] - for x in identifiers.items(): - where_pieces.append(str(x[0]) + " = '" + str(x[1]) + "'") - where = ' AND '.join(where_pieces) - select = "SELECT * FROM switches WHERE " + where + " LIMIT 1" - - if self.debug is True: - print('Executing query: ' + select) - - cur.execute(select) - - rows = cur.fetchall() - if len(rows) is 1: - if self.debug is True: - print('returned from DB:') - for key, value in rows[0].items(): - print('%s: %s' % (key, value)) - - self.row = rows[0] - else: - self.row = False - else: - print('Missing identifier parameter') - exit() - - def get_ip(self): - if self.row is not False: - return self.row['ip'] - else: - print('identifiers (%s) not found' % self.row) - return False - - def get_config(self): - if self.row is not False: - return self.row['config'] - else: - print('identifiers (%s) not found' % self.row) - return False - - def get_dict(self): - if self.row is not False: - return self.row - else: - print('identifiers (%s) not found' % self.row) - return False - - -# -# TESTING - Bruker ID fra DB-en som identifier, og kjører en query per lease.get_x() -# -class lease2(object): - debug = False - hostname = False - identifiers = False - - # identifiers = dict of field/values - def __init__(self, identifiers): - cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor) - - if len(identifiers) > 0: # 1 or more identifiers - we're good to go - self.identifiers = identifiers # Used to debug if no match for the identifiers is given - - # build query string - where_pieces = [] - for identifier in identifiers.items(): - where_pieces.append(str(identifier[0]) + " = '" + str(identifier[1]) + "'") - where = ' AND '.join(where_pieces) - select = "SELECT hostname FROM switches WHERE " + where + " LIMIT 1" - - if self.debug is True: - print('Executing query: ' + select) - - cur.execute(select) - rows = cur.fetchall() - cur.close() - if len(rows) is 1: - if self.debug is True: - print('returned from DB:') - print(rows[0][0]) - self.hostname = rows[0][0] - else: - self.hostname = False - else: - print('Missing identifier parameter') - exit() - - # Used to fetch fields from DB - def get(self, field): - if self.hostname is not False: - cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor) - - query = "SELECT %s FROM switches WHERE hostname = '%s' LIMIT 1" % (field, self.hostname) - if self.debug is True: - print('Query: %s' % query) - - try: - cur.execute(query) - rows = cur.fetchall() - - if len(rows) is 1: - if self.debug is True: - print('returned from DB:') - print(rows[0][0]) - return rows[0][0] - else: - if self.debug is True: - print('No data found - field: %s' % field) - return False - except psycopg2.ProgrammingError: - print('Field (%s) not found' % field) - conn.rollback() # Prevents DB from locking up the next queries - http://initd.org/psycopg/docs/connection.html#connection.rollback - return False - else: - print('identifiers (%s) not found' % self.identifiers) - return False - - # Used to set fields in DB - def set(self, field, value): - if self.hostname is not False: - cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor) - query = "UPDATE switches SET %s = '%s' WHERE hostname = '%s'" % (field, value, self.hostname) - if self.debug is True: - print('Query: %s' % query) - try: - cur.execute(query) - conn.commit() - return True - except psycopg2.ProgrammingError: - print('Field (%s) not found' % field) - conn.rollback() - return False - else: - print('identifiers (%s) not found' % self.identifiers) - return False diff --git a/junos-bootstrap/dhcpd/server_dhcp.py b/junos-bootstrap/dhcpd/server_dhcp.py deleted file mode 100644 index 8dde368..0000000 --- a/junos-bootstrap/dhcpd/server_dhcp.py +++ /dev/null @@ -1,323 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- - -''' -server_dhcp.py by Jonas "j" Lindstad for The Gathering tech:server - -Used to configure the Juniper EX2200 edge switches with Zero Touch Protocol -License: GPLv2 - -Based on the work of psychomario - https://github.com/psychomario -''' - - -''' - -TODO - - * try/catch around each incomming packet - prevents DHCP-server from crashing if it receives a malformed packet - -''' - -import socket, binascii, IN -from module_craft_option import craft_option # Module that crafts DHCP options -# from module_lease import lease # Module that fetches data from DB and provides data for the lease -from module_lease import lease2 as lease # Module that fetches data from DB and provides data for the lease - - -# Global options - not a pretty hack -options_raw = {} # TODO - not a nice way to do things -option_82_1 = '' -client = '' - - -############# -# FUNCTIONS # -############# - -# Generator for each of the dhcp fields -def split_packet(msg,slices): - for x in slices: - yield msg[:x] - msg = msg[x:] - -# Splits a chunk of hex into a list of hex. (0123456789abcdef => ['01', '23', '45', '67', '89', 'ab', 'cd', 'ef']) -def chunk_hex(hex): - return [hex[i:i+2] for i in range(0, len(hex), 2)] - -# Convert hex IP to string with formated decimal IP. (0a0000ff => 10.0.0.255) -def hex_ip_to_str(hex_ip): - return '.'.join(str(y) for y in map(lambda x: int(x, 16), chunk_hex(hex_ip))) # cast int to str for join - -# formats a MAC address in the format "b827eb9a520f" to "b8:27:eb:9a:52:0f" -def format_hex_mac(hex_mac): - return ':'.join(str(x) for x in chunk_hex(hex_mac)) - -# Formats a 6 byte MAC to a readable string (b'5e\x21\x00r3' => '35:65:21:00:72:33') -def six_byte_mac_to_str(mac): - return ':'.join('%02x' % byte for byte in mac) - -# b'b827eb9a520f' => 'b8:27:eb:9a:52:0f' -def prettyprint_hex_as_str(hex): - return ':'.join('%02x' % byte for byte in binascii.unhexlify(hex)) - -# CIDR notation to subnet string ('25' => '255.255.255.128') -def cidr_to_subnet(cidr): - mask = [0, 0, 0, 0] - for i in range(int(cidr)): - mask[i//8] = mask[i//8] + (1 << (7 - i % 8)) - return '.'.join(str(x) for x in mask) - -# Parses DHCP options - raw = hex options -def parse_options(raw): - print('[%s] --> processing DHCP options' % client) - chunked = chunk_hex(raw) - chunked_length = len(chunked) - pointer = 0 # counter - next option start - options = {} # options dataset - - global options_raw - options_raw = {} # incomming request's options - special_options = [53, 82] - - while True: # Loop over the DHCP options - option = int(chunked[pointer], 16) # option ID (0 => 255) - code = int(chunked[pointer], 16) # option code (0 => 255) # New int for options' ID with correct name. Replaces $option - - length = int(chunked[pointer+1], 16) # option length - option_payload = raw[((pointer+2)*2):((pointer+length+2)*2)] # Contains the payload of the option - without option ID and length - options_raw[code] = option_payload # copying incomming request's options, directly usable in outgoing replies - - asciivalue = binascii.unhexlify(option_payload) # should not contain unreadable characters - - if option in special_options: - if option is 82: - option82_raw = option_payload - options[option] = parse_suboptions(option, option_payload) - elif option is 53: - options[option] = option_payload - # options[option] = 1 # Not adding DHCP DISCOVER to the options list, becouse it will not be used further on - if int(chunked[pointer+2], 16) is 1: - print('[%s] --> option: %s: %s' % (client, option, 'DHCP Discover (will not be used in reply)')) - else: - print('[%s] --> option: %s: %s' % (client, option, asciivalue)) - - else: - options[option] = asciivalue - # TODO: Formating.... Also crap code - try: - if len(asciivalue) > 30: - print('[%s] --> option: %s: %s' % (client, option, asciivalue[:26] + ' [...]')) - else: - print('[%s] --> option: %s: %s' % (client, option, asciivalue)) - except Exception: - if len(asciivalue) > 30: - print('[%s] --> option: %s: %s' % (client, option, prettyprint_hex_as_str(option_payload)[:26] + ' [...]')) - else: - print('[%s] --> option: %s: %s' % (client, option, prettyprint_hex_as_str(option_payload))) - pass - - pointer = pointer + length + 2 # place pointer at the next options' option ID/code field - - if int(chunked[pointer], 16) is 255: # end of DHCP options - should allways last field - print('[%s] --> Finished processing options' % client) - break - return options - -# Parses suboptions -def parse_suboptions(option, raw): - print('[%s] --> processing suboption hook for option %s' % (client, option)) - chunked = chunk_hex(raw) - chunked_length = len(chunked) - pointer = 0 # counter - next option start - dataset = {} - - if option is 82: # Option 82 - custom shit: Setting global variable to list - global option_82_1 - - while True: - length = int(chunked[pointer+1], 16) # option length in bytes - value = raw[4:(length*2)+(4)] - - if option is 82 and int(chunked[0], 16) is 1: # Option 82 - custom shit: Putting data in list - option_82_1 = binascii.unhexlify(value).decode() - - print('[%s] --> suboption %s found - value: "%s"' % (client, int(chunked[0], 16), binascii.unhexlify(value).decode())) # will fail on non-ascii characters - - dataset[int(chunked[0], 16)] = value - pointer = pointer + length + 2 # place pointer at the next options' option ID/code field - if pointer not in chunked: # end of DHCP options - allways last field - print('[%s] --> Finished processing suboption %s' % (client, option)) - break - return dataset - -# Parses and handles DHCP DISCOVER or DHCP REQUEST -def reqparse(message): - data=None - dhcpfields=[1,1,1,1,4,2,2,4,4,4,4,6,10,192,4,message.rfind(b'\xff'),1] - hexmessage=binascii.hexlify(message) - messagesplit=[binascii.hexlify(x) for x in split_packet(message,dhcpfields)] - - global client - client = prettyprint_hex_as_str(messagesplit[11]) - - print('[%s] Parsing DHCP packet from client' % client) - - # - # Logical checks to decide to whether respond or reject - # - if int(hex_ip_to_str(messagesplit[10]).replace('.', '')) is 0: # DHCP request has been forwarded by DHCP relay - A bit haxxy.. - print('[%s] Rejecting to process DHCP packet - not forwarded by DHCP relay' % client) - return False - - # Process DHCP options - options = parse_options(messagesplit[15]) - - # Option 82 is set in the packet - if 82 not in options: - print('[%s] Rejecting to process DHCP packet - DHCP option 82 not set' % client) - return False - - # Check DHCP request type - if options[53] == b'01': - mode = 'dhcp_discover' - print('[%s] --> DHCP packet type: DHCP DISCOVER' % client) - elif options[53] == b'03': - mode = 'dhcp_request' - print('[%s] --> DHCP packet type: DHCP REQUEST' % client) - else: - print('[%s] Rejecting to continue process DHCP packet - option 53 missing' % client) # Small sanity check - return False - - # - # Packet passes our requirements - # - print('[%s] --> DHCP packet contains option 82 - continues to process' % client) - print('[%s] --> DHCP packet forwarded by relay %s' % (client, hex_ip_to_str(messagesplit[10]))) - print('[%s] --> DHCP XID/Transaction ID: %s' % (client, prettyprint_hex_as_str(messagesplit[4]))) - - # Handle DB request - do DB lookup based on option 82 - print('[%s] --> Looking up in the DB' % (client)) - if len(option_82_1) > 0: - (distro, phy, vlan) = option_82_1.split(':') - print('[%s] --> Query details: distro_name:%s, distro_phy_port:%s' % (client, distro, phy.split('.')[0])) - - lease_identifiers = {'distro_name': distro, 'distro_phy_port': phy.split('.')[0]} - if lease(lease_identifiers).get('hostname') is not False: - l={ - 'hostname': lease(lease_identifiers).get('hostname'), - 'mgmt_addr': lease(lease_identifiers).get('mgmt_addr'), - 'mgmt_gw': lease(lease_identifiers).get('mgmt_gw'), - 'mgmt_cidr': lease(lease_identifiers).get('mgmt_cidr') - } - - # lease_details = lease({'distro_name': distro, 'distro_phy_port': phy[:-2]}).get_dict() - print('[%s] --> Data found, switch exists in DB - ready to craft response' % client) - else: - print('[%s] --> Data not found, switch does not exists in DB' % client) - return False - else: - print('[%s] Rejecting to continue to process DHCP packet - option 82.1 is empty' % client) - - if mode == 'dhcp_discover': - print('[%s] --> Crafting DHCP OFFER response' % client) - - if mode == 'dhcp_request': - print('[%s] --> Crafting DHCP ACK response' % client) - - print('[%s] --> XID/Transaction ID: %s' % (client, prettyprint_hex_as_str(messagesplit[4]))) - print('[%s] --> Client IP: %s' % (client, l['mgmt_addr'])) - print('[%s] --> DHCP forwarder IP: %s' % (client, l['mgmt_gw'])) - print('[%s] --> Client MAC: %s' % (client, client)) - - data = b'\x02' # Message type - boot reply - data += b'\x01' # Hardware type - ethernet - data += b'\x06' # Hardware address length - 6 octets for MAC - data += b'\x01' # Hops - data += binascii.unhexlify(messagesplit[4]) # XID / Transaction ID - data += b'\x00\x00' # seconds elapsed - 1 second - data += b'\x80\x00' # BOOTP flags - broadcast (unicast: 0x0000) - data += b'\x00'*4 # Client IP address - data += socket.inet_aton(l['mgmt_addr']) # New IP to client - data += socket.inet_aton(dhcp_server_address) # Next server IP address - data += socket.inet_aton(l['mgmt_gw']) # Relay agent IP - DHCP forwarder - data += binascii.unhexlify(messagesplit[11]) # Client MAC - data += b'\x00'*202 # Client hardware address padding (10) + Server hostname (64) + Boot file name (128) - data += b'\x63\x82\x53\x63' # Magic cookie - - # - # Craft DHCP options - # - print('[%s] --> Completed DHCP header structure, building DHCP options' % client) - - if mode == 'dhcp_discover': - print('[%s] --> Option 53 (DHCP OFFER): 2' % client) - data += craft_option(53).raw_hex(b'\x02') # Option 53 - DHCP OFFER - - if mode == 'dhcp_request': - print('[%s] --> Option 53 (DHCP ACK): 5' % client) - data += craft_option(53).raw_hex(b'\x05') # Option 53 - DHCP ACK - - data += craft_option(54).bytes(socket.inet_aton(dhcp_server_address)) # Option 54 - DHCP server identifier - print('[%s] --> Option 54 (DHCP server identifier): %s' % (client, dhcp_server_address)) - - data += craft_option(51).raw_hex(b'\x00\x00\xa8\xc0') # Option 51 - Lease time left padded with "0" - print('[%s] --> Option 51 (Lease time): %s' % (client, '43200 (12 hours)')) - - data += craft_option(1).ip(cidr_to_subnet(l['mgmt_cidr'])) # Option 1 - Subnet mask - print('[%s] --> Option 1 (subnet mask): %s' % (client, cidr_to_subnet(l['mgmt_cidr']))) - - data += craft_option(3).ip(l['mgmt_gw']) # Option 3 - Default gateway (set to DHCP forwarders IP) - print('[%s] --> Option 3 (default gateway): %s' % (client, l['mgmt_gw'])) - - data += craft_option(150).bytes(socket.inet_aton(dhcp_server_address)) # Option 150 - TFTP Server. Used as target for the Zero Touch Protocol. Not necessarily TFTP protocol used. - print('[%s] --> Option 150 (Cisco proprietary TFTP server(s)): %s' % (client, dhcp_server_address)) - - # http://www.juniper.net/documentation/en_US/junos13.2/topics/concept/software-image-and-configuration-automatic-provisioning-understanding.html - data += craft_option(43).bytes(craft_option(0).string(target_junos_file) + craft_option(1).string('/tg-edge/' + l['hostname']) + craft_option(3).string('http')) # Option 43 - ZTP - print('[%s] --> Option 43 (Vendor-specific option):' % client) - print('[%s] --> Suboption 0: %s' % (client, target_junos_file)) - print('[%s] --> Suboption 1: %s' % (client, '/tg-edge/' + l['hostname'])) - print('[%s] --> Suboption 3: %s' % (client, 'http')) - - data += b'\xff' - - lease(lease_identifiers).set('current_mac', client) # updates MAC in DB - - return data - -if __name__ == "__main__": - interface = b'eth0' - dhcp_server_address = '10.0.100.2' - # target_junos_file = '/files/jinstall-ex-2200-14.1X53-D15.2-domestic-signed.tgz' - target_junos_file = '/files/jinstall-ex-2200-12.3R6.6-domestic-signed.tgz' - - # Setting up the server, and how it will communicate - s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # IPv4 UDP socket - s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) - s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) - s.setsockopt(socket.SOL_SOCKET, 25, interface) - s.bind(('', 67)) - - # Starting the whole loop - print('Starting main loop') - while True: #main loop - try: - message, addressf = s.recvfrom(8192) - # print(message) - if message.startswith(b'\x01'): # UDP payload is DHCP request (discover, request, release) - if addressf[0] == '0.0.0.0': - print('[%s] DHCP broadcast - unsupported' % client) - reply_to = '<broadcast>' - else: - print('[%s] DHCP unicast - DHCP forwarding' % client) - reply_to = addressf[0] # senders (DHCP forwarders) IP - # print(addressf[0]) - # reply_to = '10.0.0.1' - data=reqparse(message) # Parse the DHCP request - if data: - print('[%s] --> replying to %s' % (client, reply_to)) - s.sendto(data, (reply_to, 67)) # Sends reply - print('') - except KeyboardInterrupt: - exit() diff --git a/junos-bootstrap/dhcpd/terminal.log b/junos-bootstrap/dhcpd/terminal.log deleted file mode 100644 index 3f0ca52..0000000 --- a/junos-bootstrap/dhcpd/terminal.log +++ /dev/null @@ -1,146 +0,0 @@ -j@lappie:~/git/tgmanage$ sudo python3 junos-bootstrap/dhcpd/server_dhcp.py -Starting main loop -[] DHCP unicast - DHCP forwarding -[40:b4:f0:cc:76:01] Parsing DHCP packet from client -[40:b4:f0:cc:76:01] --> processing DHCP options -[40:b4:f0:cc:76:01] --> option: 53: DHCP Discover (will not be used in reply) -[40:b4:f0:cc:76:01] --> option: 12: b'GP0212466317' -[40:b4:f0:cc:76:01] --> option: 60: 4a:75:6e:69:70:65:72:2d:65 [...] -[40:b4:f0:cc:76:01] --> processing suboption hook for option 82 -[40:b4:f0:cc:76:01] --> suboption 1 found - value: "distro0gw:ge-0/0/0.0:mgmt" -[40:b4:f0:cc:76:01] --> Finished processing suboption 82 -[40:b4:f0:cc:76:01] --> Finished processing options -[40:b4:f0:cc:76:01] --> DHCP packet type: DHCP DISCOVER -[40:b4:f0:cc:76:01] --> DHCP packet contains option 82 - continues to process -[40:b4:f0:cc:76:01] --> DHCP packet forwarded by relay 10.0.200.1 -[40:b4:f0:cc:76:01] --> DHCP XID/Transaction ID: 75:45:e1:46 -[40:b4:f0:cc:76:01] --> Looking up in the DB -[40:b4:f0:cc:76:01] --> Query details: distro_name:distro0gw, distro_phy_port:ge-0/0/0 -[40:b4:f0:cc:76:01] --> Data found, switch exists in DB - ready to craft response -[40:b4:f0:cc:76:01] --> Crafting DHCP OFFER response -[40:b4:f0:cc:76:01] --> XID/Transaction ID: 75:45:e1:46 -[40:b4:f0:cc:76:01] --> Client IP: 10.0.200.101 -[40:b4:f0:cc:76:01] --> DHCP forwarder IP: 10.0.200.1 -[40:b4:f0:cc:76:01] --> Client MAC: 40:b4:f0:cc:76:01 -[40:b4:f0:cc:76:01] --> Completed DHCP header structure, building DHCP options -[40:b4:f0:cc:76:01] --> Option 53 (DHCP OFFER): 2 -[40:b4:f0:cc:76:01] --> Option 54 (DHCP server identifier): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 51 (Lease time): 43200 (12 hours) -[40:b4:f0:cc:76:01] --> Option 1 (subnet mask): 255.255.255.0 -[40:b4:f0:cc:76:01] --> Option 3 (default gateway): 10.0.200.1 -[40:b4:f0:cc:76:01] --> Option 150 (Cisco proprietary TFTP server(s)): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 43 (Vendor-specific option): -[40:b4:f0:cc:76:01] --> Suboption 0: /files/jinstall-ex-2200-12.3R6.6-domestic-signed.tgz -[40:b4:f0:cc:76:01] --> Suboption 1: /tg-edge/e-00-1 -[40:b4:f0:cc:76:01] --> Suboption 3: http -[40:b4:f0:cc:76:01] --> replying to 10.0.100.1 - -[40:b4:f0:cc:76:01] DHCP unicast - DHCP forwarding -[40:b4:f0:cc:76:01] Parsing DHCP packet from client -[40:b4:f0:cc:76:01] --> processing DHCP options -[40:b4:f0:cc:76:01] --> option: 54: b'\n\x00d\x02' -[40:b4:f0:cc:76:01] --> option: 55: b'\x033\x01\x0f\x06BC+\x96\x0c\x07*' -[40:b4:f0:cc:76:01] --> option: 50: b'\n\x00\xc8e' -[40:b4:f0:cc:76:01] --> option: 53: b'\x03' -[40:b4:f0:cc:76:01] --> option: 12: b'GP0212466317' -[40:b4:f0:cc:76:01] --> option: 60: 4a:75:6e:69:70:65:72:2d:65 [...] -[40:b4:f0:cc:76:01] --> processing suboption hook for option 82 -[40:b4:f0:cc:76:01] --> suboption 1 found - value: "distro0gw:ge-0/0/0.0:mgmt" -[40:b4:f0:cc:76:01] --> Finished processing suboption 82 -[40:b4:f0:cc:76:01] --> Finished processing options -[40:b4:f0:cc:76:01] --> DHCP packet type: DHCP REQUEST -[40:b4:f0:cc:76:01] --> DHCP packet contains option 82 - continues to process -[40:b4:f0:cc:76:01] --> DHCP packet forwarded by relay 10.0.200.1 -[40:b4:f0:cc:76:01] --> DHCP XID/Transaction ID: 51:5f:00:7c -[40:b4:f0:cc:76:01] --> Looking up in the DB -[40:b4:f0:cc:76:01] --> Query details: distro_name:distro0gw, distro_phy_port:ge-0/0/0 -[40:b4:f0:cc:76:01] --> Data found, switch exists in DB - ready to craft response -[40:b4:f0:cc:76:01] --> Crafting DHCP ACK response -[40:b4:f0:cc:76:01] --> XID/Transaction ID: 51:5f:00:7c -[40:b4:f0:cc:76:01] --> Client IP: 10.0.200.101 -[40:b4:f0:cc:76:01] --> DHCP forwarder IP: 10.0.200.1 -[40:b4:f0:cc:76:01] --> Client MAC: 40:b4:f0:cc:76:01 -[40:b4:f0:cc:76:01] --> Completed DHCP header structure, building DHCP options -[40:b4:f0:cc:76:01] --> Option 53 (DHCP ACK): 5 -[40:b4:f0:cc:76:01] --> Option 54 (DHCP server identifier): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 51 (Lease time): 43200 (12 hours) -[40:b4:f0:cc:76:01] --> Option 1 (subnet mask): 255.255.255.0 -[40:b4:f0:cc:76:01] --> Option 3 (default gateway): 10.0.200.1 -[40:b4:f0:cc:76:01] --> Option 150 (Cisco proprietary TFTP server(s)): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 43 (Vendor-specific option): -[40:b4:f0:cc:76:01] --> Suboption 0: /files/jinstall-ex-2200-12.3R6.6-domestic-signed.tgz -[40:b4:f0:cc:76:01] --> Suboption 1: /tg-edge/e-00-1 -[40:b4:f0:cc:76:01] --> Suboption 3: http -[40:b4:f0:cc:76:01] --> replying to 10.0.100.1 - -[40:b4:f0:cc:76:01] DHCP unicast - DHCP forwarding -[40:b4:f0:cc:76:01] Parsing DHCP packet from client -[40:b4:f0:cc:76:01] --> processing DHCP options -[40:b4:f0:cc:76:01] --> option: 53: DHCP Discover (will not be used in reply) -[40:b4:f0:cc:76:01] --> option: 60: 4a:75:6e:69:70:65:72:2d:65 [...] -[40:b4:f0:cc:76:01] --> processing suboption hook for option 82 -[40:b4:f0:cc:76:01] --> suboption 1 found - value: "distro0gw:ge-0/0/0.0:mgmt" -[40:b4:f0:cc:76:01] --> Finished processing suboption 82 -[40:b4:f0:cc:76:01] --> Finished processing options -[40:b4:f0:cc:76:01] --> DHCP packet type: DHCP DISCOVER -[40:b4:f0:cc:76:01] --> DHCP packet contains option 82 - continues to process -[40:b4:f0:cc:76:01] --> DHCP packet forwarded by relay 10.0.200.1 -[40:b4:f0:cc:76:01] --> DHCP XID/Transaction ID: 64:3c:98:69 -[40:b4:f0:cc:76:01] --> Looking up in the DB -[40:b4:f0:cc:76:01] --> Query details: distro_name:distro0gw, distro_phy_port:ge-0/0/0 -[40:b4:f0:cc:76:01] --> Data found, switch exists in DB - ready to craft response -[40:b4:f0:cc:76:01] --> Crafting DHCP OFFER response -[40:b4:f0:cc:76:01] --> XID/Transaction ID: 64:3c:98:69 -[40:b4:f0:cc:76:01] --> Client IP: 10.0.200.101 -[40:b4:f0:cc:76:01] --> DHCP forwarder IP: 10.0.200.1 -[40:b4:f0:cc:76:01] --> Client MAC: 40:b4:f0:cc:76:01 -[40:b4:f0:cc:76:01] --> Completed DHCP header structure, building DHCP options -[40:b4:f0:cc:76:01] --> Option 53 (DHCP OFFER): 2 -[40:b4:f0:cc:76:01] --> Option 54 (DHCP server identifier): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 51 (Lease time): 43200 (12 hours) -[40:b4:f0:cc:76:01] --> Option 1 (subnet mask): 255.255.255.0 -[40:b4:f0:cc:76:01] --> Option 3 (default gateway): 10.0.200.1 -[40:b4:f0:cc:76:01] --> Option 150 (Cisco proprietary TFTP server(s)): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 43 (Vendor-specific option): -[40:b4:f0:cc:76:01] --> Suboption 0: /files/jinstall-ex-2200-12.3R6.6-domestic-signed.tgz -[40:b4:f0:cc:76:01] --> Suboption 1: /tg-edge/e-00-1 -[40:b4:f0:cc:76:01] --> Suboption 3: http -[40:b4:f0:cc:76:01] --> replying to 10.0.100.1 - -[40:b4:f0:cc:76:01] DHCP unicast - DHCP forwarding -[40:b4:f0:cc:76:01] Parsing DHCP packet from client -[40:b4:f0:cc:76:01] --> processing DHCP options -[40:b4:f0:cc:76:01] --> option: 54: b'\n\x00d\x02' -[40:b4:f0:cc:76:01] --> option: 55: b'\x033\x01\x0f\x06BC+\x96\x0c\x07*' -[40:b4:f0:cc:76:01] --> option: 50: b'\n\x00\xc8e' -[40:b4:f0:cc:76:01] --> option: 53: b'\x03' -[40:b4:f0:cc:76:01] --> option: 60: 4a:75:6e:69:70:65:72:2d:65 [...] -[40:b4:f0:cc:76:01] --> processing suboption hook for option 82 -[40:b4:f0:cc:76:01] --> suboption 1 found - value: "distro0gw:ge-0/0/0.0:mgmt" -[40:b4:f0:cc:76:01] --> Finished processing suboption 82 -[40:b4:f0:cc:76:01] --> Finished processing options -[40:b4:f0:cc:76:01] --> DHCP packet type: DHCP REQUEST -[40:b4:f0:cc:76:01] --> DHCP packet contains option 82 - continues to process -[40:b4:f0:cc:76:01] --> DHCP packet forwarded by relay 10.0.200.1 -[40:b4:f0:cc:76:01] --> DHCP XID/Transaction ID: 66:33:48:73 -[40:b4:f0:cc:76:01] --> Looking up in the DB -[40:b4:f0:cc:76:01] --> Query details: distro_name:distro0gw, distro_phy_port:ge-0/0/0 -[40:b4:f0:cc:76:01] --> Data found, switch exists in DB - ready to craft response -[40:b4:f0:cc:76:01] --> Crafting DHCP ACK response -[40:b4:f0:cc:76:01] --> XID/Transaction ID: 66:33:48:73 -[40:b4:f0:cc:76:01] --> Client IP: 10.0.200.101 -[40:b4:f0:cc:76:01] --> DHCP forwarder IP: 10.0.200.1 -[40:b4:f0:cc:76:01] --> Client MAC: 40:b4:f0:cc:76:01 -[40:b4:f0:cc:76:01] --> Completed DHCP header structure, building DHCP options -[40:b4:f0:cc:76:01] --> Option 53 (DHCP ACK): 5 -[40:b4:f0:cc:76:01] --> Option 54 (DHCP server identifier): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 51 (Lease time): 43200 (12 hours) -[40:b4:f0:cc:76:01] --> Option 1 (subnet mask): 255.255.255.0 -[40:b4:f0:cc:76:01] --> Option 3 (default gateway): 10.0.200.1 -[40:b4:f0:cc:76:01] --> Option 150 (Cisco proprietary TFTP server(s)): 10.0.100.2 -[40:b4:f0:cc:76:01] --> Option 43 (Vendor-specific option): -[40:b4:f0:cc:76:01] --> Suboption 0: /files/jinstall-ex-2200-12.3R6.6-domestic-signed.tgz -[40:b4:f0:cc:76:01] --> Suboption 1: /tg-edge/e-00-1 -[40:b4:f0:cc:76:01] --> Suboption 3: http -[40:b4:f0:cc:76:01] --> replying to 10.0.100.1 - 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