Flags = 0x02
..0. .... URGENT Flag = FALSE
...0 .... ACK Flag = FALSE
.... 0... PUSH Flag = FALSE
.... .0.. RST Flag = FALSE
.... ..1. SYN Flag = TRUE
.... ...0 FIN Flag = FALSE
Window = 0
Checksum = EDAF
Urgent pointer = 00000000
TCP/IP over ATM Example 2.
LLC: DSAP 0xAA (SNAP-SAP)
SSAP 0xAA (SNAP-SAP)
Control 0x03 (Unnumbered Information)
SNAP: OUI 0x00-00-00 (Ethertype)
PID 0x0800 (Internet Protocol)
IP: Version = 4
Header length = 20
Type of service = 0
000. .... Precedence = Routine(0)
...0 .... Delay = Normal (0)
.... 0... Throughput = Normal (0)
.... .0.. Reliability = Normal (0)
Packet length = 40
Id = 0
Fragmentation Info = 0x0000
.0.. .... .... .... Don't Fragment Bit = FALSE
..0. .... .... .... More Fragments Bit = FALSE
...0 0000 0000 0000 Fragment offset = 0
Time to live = 255
Protocol = TCP (6)
Header checksum = F9CF
Source address = 15.19.209.236
Destination address = 15.19.209.237
TCP: Source port = ftp-data (20)
Destination port = 2000
Sequence number = 1
Ack number = 0
Data offset = 20
Flags = 0x02
..0. .... URGENT Flag = FALSE
...0 .... ACK Flag = FALSE
.... 0... PUSH Flag = FALSE
.... .0.. RST Flag = FALSE
.... ..1. SYN Flag = TRUE
.... ...0 FIN Flag = FALSE
Window = 0
Checksum = E5FD
Urgent pointer = 00000000
UDP/IP over ATM Example.
LLC: DSAP 0xAA (SNAP-SAP)
SSAP 0xAA (SNAP-SAP)
Control 0x03 (Unnumbered Information)
SNAP: OUI 0x00-00-00 (Ethertype)
PID 0x0800 (Internet Protocol)
IP: Version = 4
Header length = 20
Type of service = 0
000. .... Precedence = Routine(0)
...0 .... Delay = Normal (0)
.... 0... Throughput = Normal (0)
.... .0.. Reliability = Normal (0)
Packet length = 28
Id = 0
Fragmentation Info = 0x0000
.0.. .... .... .... Don't Fragment Bit = FALSE
..0. .... .... .... More Fragments Bit = FALSE
...0 0000 0000 0000 Fragment offset = 0
Time to live = 255
Protocol = ICMP (1)
Header checksum = F9E0
Source address = 15.19.209.236
Destination address = 15.19.209.237
ICMP: Type = Echo request (8)
Code = 0
Checksum = F7FF
Identifier = 0 (0x0)
Sequence Number = 0 (0x0)
RIP Routing Update over ATM.
-- DATAGRAM HEADER
offset data (hex) description
00 FF FF FF FF FF FF dest MAC address is broadcast
06 xx xx xx xx xx xx source hardware address
12 08 00 type
-- IP HEADER
14 45 IP version - 4, header length (4
byte units) - 5
15 00 service field
16 00 EE total length
18 00 00 ID
20 40 00 flags (3 bits) 4 (do not
fragment),
fragment offset-0
22 0A TTL
23 11 protocol - 17 (UDP)
24 C4 8D header checksum
26 xx xx xx xx source IP address
30 xx xx xx destination IP address
33 FF host part = FF for broadcast
-- UDP HEADER
34 02 08 source port 208 = RIP
36 02 08 destination port 208 = RIP
38 00 DA UDP message length
40 00 00 UDP checksum
-- RIP packet
42 02 command = response
43 01 version = 1
44 00 00 0
-- net 1
46 00 02 family = IP
48 00 00 0
50 xx xx xx net 1 IP address
53 00 net not node
54 00 00 00 00 0
58 00 00 00 00 0
62 00 00 00 07 metric 7
-- net 2
66 00 02 family = IP
68 00 00 0
70 xx xx xx net 2 IP address
73 00 net not node
74 00 00 00 00 0
78 00 00 00 00 0
82 00 00 00 07 metric 7
-- net 3
86 00 02 family = IP
88 00 00 0
90 xx xx xx net 3 IP address
93 00 net not node
94 00 00 00 00 0
98 00 00 00 00 0
102 00 00 00 07 metric 7
-- net 4
106 00 02 family = IP
108 00 00 0
110 xx xx xx net 4 IP address
113 00 net not node
114 00 00 00 00 0
118 00 00 00 00 0
122 00 00 00 07 metric 7
-- net 5
126 00 02 family = IP
128 00 00 0
130 00 net 5 IP address
133 00 net not node
134 00 00 00 00 0
138 00 00 00 00 0
142 00 00 00 07 metric 7
-- net 6
146 00 02 family = IP
148 00 00 0
150 xx xx xx net 6 IP address
153 00 net not node
154 00 00 00 00 0
158 00 00 00 00 0
162 00 00 00 07 metric 7
UNI 3.1 Signaling Setup Message Example. PCR will not allow CAC to
reject the call.
Protocol Discriminator : Q.93B UNI call control
Call Reference Length : 3
Call Reference Flag : orig
Call Reference Value : 0
Message Type : SETUP
Ext : last octet
Action Indicator : clear call
Message Length : 50
Information Element ID : ATM Traffic Descriptor
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 9
Cell Rate Subfield ID : forward peak CR(CLP=0+1)
Forward Peak Cell Rate : 1
Cell Rate Subfield ID : backward peak CR(CLP=0+1)
Backward Peak Cell Rate : 1
Cell Rate Subfield ID : best effort indicator
Information Element ID : Broadband Bearer Capability
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 2
Ext : last octet
Bearer Class : BCOB-X
Ext : last octet
Clipping Susceptibility : not susceptible to clipping
User Plane Connection CFG : point-to-point
Information Element ID : Called Party Number
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 21
Ext : last octet
Addressing/Numbering Plan : ISO NSAP addressing
ISO NSAP Address Octets : 3900000000000000000000000011111111111100
Information Element ID : Quality of Service Parameter
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 2
QoS Class Forward : QoS class 0 - unspecified
QoS Class Backward : QoS class 0 - unspecified
UNI 3.1 Signaling Setup Message Reject Example. PCR will allow
CAC to reject the call.
Protocol Discriminator : Q.93B UNI call control
Call Reference Length : 3
Call Reference Flag : orig
Call Reference Value : 0
Message Type : SETUP
Ext : last octet
Action Indicator : clear call
Message Length : 50
Information Element ID : ATM Traffic Descriptor
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 8
Cell Rate Subfield ID : forward peak CR(CLP=0+1)
Forward Peak Cell Rate : 300000
Cell Rate Subfield ID : backward peak CR(CLP=0+1)
Backward Peak Cell Rate : 300000
Information Element ID : Broadband Bearer Capability
Ext : last octet
Coding Standard : ITU-T standard
Flag : not significant
Action Indicator : clear call
IE Length : 3
Ext : another octet
Bearer Class : BCOB-X
Ext : last octet
Traffic Type : constant bit rate
Timing Requirements : end-to-end timing required
Ext : last octet
Clipping Susceptibility : not susceptible to clipping
User Plane Connection CFG : point-to-point
Information Element ID : Called Party Number
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 21
Ext : last octet
Addressing/Numbering Plan : ISO NSAP addressing
ISO NSAP Address Octets : 3900000000000000000000000011111111111100
Information Element ID : Quality of Service Parameter
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 2
QoS Class Forward : QoS class 0 - unspecified
QoS Class Backward : QoS class 0 - unspecified
UNI 3.1 Signaling Release Message, specifying a cause code of normal
call clearing.
Protocol Discriminator : Q.93B UNI call control
Call Reference Length : 3
Call Reference Flag : orig
Call Reference Value : 0
Message Type : RELEASE
Ext : last octet
Action Indicator : clear call
Message Length : 6
Information Element ID : Cause
Ext : last octet
Coding Standard : ITU-T standard
Action Indicator : clear call
IE Length : 2
Ext : last octet
Location : user
Ext : last octet
Cause Value : NE:normal call clearing
PNNI Signaling Setup Message, specifying a DTL which is not blocked
by the far end SUT.
Protocol Discriminator : PNNI signalling
Call Reference Length : 3
Call Reference Flag : from
Message Type : SETUP
Ext : last octet
Pass Along Request : no pass along request
Action Indicator : clear call
Message Length : 56
Information Element ID : ATM Traffic Descriptor
Ext : last octet
Coding Standard : ITU-T standardized
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 0
Information Element ID : Broadband Bearer Capability
Ext : last octet
Coding Standard : ITU-T standardized
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 3
Ext : another octet
Bearer Class : BCOB-X
Ext : last octet
ATM Transfer Capability : reserved for bwd compatibility
Ext : last octet
Clipping Susceptibility : not susceptible to clipping
User Plane Connection cfg : point-to-point
Information Element ID : Called Party Number
Ext : last octet
Coding Standard : ITU-T standardized
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 8
Ext : last octet
Type of Number : unknown
Addressing/Numbering Plan : ATM endsystem address
ATM Endsystem Address Oct : 11111111111101
Information Element ID : Designated Transit List
Ext : last octet
Coding Standard : ATM Forum specific
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 29
Current Transit Pointer : 0
Logical Node/Port Indicat : Logical Node/Port Indicator
Logical Node Identifier : 3900000000000000000000000011111111111100
PNNI Signaling Setup Message Reject, specifying a DTL which is
blocked by the far end SUT.
Protocol Discriminator : PNNI signalling
Call Reference Length : 3
Call Reference Flag : from
Call Reference Value : 0
Message Type : SETUP
Ext : last octet
Pass Along Request : no pass along request
Action Indicator : clear call
Message Length : 56
Information Element ID : ATM Traffic Descriptor
Ext : last octet
Coding Standard : ITU-T standardized
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 0
Information Element ID : Broadband Bearer Capability
Ext : last octet
Coding Standard : ITU-T standardized
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 3
Bearer Class : BCOB-X
Ext : last octet
ATM Transfer Capability : reserved for bwd compatibility
Ext : last octet
Clipping Susceptibility : not susceptible to clipping
User Plane Connection cfg : point-to-point
Information Element ID : Called Party Number
Ext : last octet
Coding Standard : ITU-T standardized
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 8
Ext : last octet
Addressing/Numbering Plan : ATM endsystem address
ATM Endsystem Address Oct : 11111111111101
Information Element ID : Designated Transit List
Ext : last octet
Coding Standard : ATM Forum specific
Pass Along Request : no pass along request
Action Indicator : clear call
IE Length : 29
Current Transit Pointer : 0
Logical Node/Port Indicat : Logical Node/Port Indicator
Logical Node Identifier : 3900000000000000000000000011111111111100
PNNI Far End Request Message.
Header: Packet Type 5 (PTSE REQUEST)
Packet Length 40
Protocol Version 1
Newest Version Supported 1
Oldest Version Supported 0
Reserved 0
IG: Information Group Type 513 (Requested PTSE Header)
Information Group Length 32
Originating Node ID
00013900-00000000-00000000-00000011-11111111-1100
PTSE Request Count 1
PTSE Identifier 0
PNNI PTSE, specifying a routing topology.
Header: Packet Type 4 (DATABASE SUMMARY)
Packet Length 76
Protocol Version 1
Newest Version Supported 1
Oldest Version Supported 0
Reserved 0
Initialize (I)Bit 1 (during init. of DB syn
process)
More (M)Bit 1 (PTSEs to summarize)
Master (MS)Bit 1 (both nodes)
Reserved 0
Reserved 0
DS Sequence Number 0
IG: Information Group Type 512 (Nodal PTSE Summaries)
Information Group Length 60
Originating Node ID
00013900-00000000-00000000-00000011-11111111-1100
Originating Node's Peer Group 00000000-00000000-00000000-
0001
Reserved 0
PTSE Summary Count 1
PTSE Type 0
Reserved 0
PTSE Identifier 0
PTSE Sequence Number 0
PTSE Checksum 0
PTSE Remaining Lifetime 0
PNNI PTSE Update, specifying a change in the routing topology.
Header: Packet Type 2 (PTSP)
Packet Length 96
Protocol Version 1
Newest Version Supported 1
Oldest Version Supported 0
Reserved 0
Originating Node ID
00013900-00000000-00000000-00000011-11111111-1100
Originating Node's Peer Group 00000000-00000000-00000000-
0001
IG: Information Group Type 64 (PTSE)
Information Group Length 52
PTSE Type 0
Reserved 0
PTSE Identifier 0
PTSE Sequence Number 0
PTSE Checksum 42252
PTSE Remaining Lifetime 3600
IG: Information Group Type 224 (Internal Reachable ATM
Addresses)
Information Group Length 32
VP Capability Flag 1 (VPCs supported)
Reserved 0
Reserved 0
Port ID 0
Scope of Advertisement 96
Address Information Length 14
Address Information Count 1
Prefix Length 13
Reachable Address Prefix 39000000-00000000-00000000-01
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