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Startup and Functions
6874_en_09 PHOENIX CONTACT 3-5
0.x.x.x Addresses
Value 0 is the ID of the specific network. If the IP address starts with a zero, the receiver
is in the same network. Example: 0.2.1.1 refers to device 2.1.1 in this network.
The zero previously signified the broadcast address. If older devices are used,
unauthorized broadcast and complete overload of the entire network (broadcast storm)
may occur when using the IP address 0.x.x.x.
3.1.2.4 Subnet Masks
Routers and gateways divide large networks into several subnetworks. The IP addresses
for individual devices are assigned to specific subnetworks by the subnet mask. The
network part of an IP address is not modified by the subnet mask. An extended IP
address is generated from the user address and subnet mask. Because the masked
subnetwork is only recognized by the local computers, this extended IP address appears
as a standard IP address to all the other devices.
Structure of the Subnet Mask
The subnet mask always contains the same number of bits as an IP address. The subnet
mask has the same number of bits (in the same position) set to "one", which is reflected in
the IP address for the network class.
Example: An IP address from Class A contains a 1-byte network address and a 3-byte
computer address. Therefore, the first byte of the subnet mask may only contain "ones".
The remaining bits (three bytes) then contain the address of the subnetwork and the
computer. The extended IP address is created when the bits of the IP address and the bits
of the subnet mask are ANDed. Because the subnetwork is only recognized by local
devices, the corresponding IP address appears as a "normal" IP address to all the other
devices.
Application
If the ANDing of the address bits gives the local network address and the local subnetwork
address, the device is located in the local network. If the ANDing gives a different result,
the data telegram is sent to the subnetwork router.
Example for a Class B subnet mask:
Using this subnet mask, the TCP/IP protocol software differentiates between the devices
that are connected to the local subnetwork and the devices that are located in other
subnetworks.
Example: Device 1 wants to establish a connection with device 2 using the above subnet
mask. Device 2 has IP address 59.EA.55.32.
2 5 5 . 2 5 5 . 1 9 2 . 0
1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
D e c i m a l n o t a t i o n :
B i n a r y n o t a t i o n :
S u b n e t m a s k b i t s
C l a s s B
- FL SWITCH MM HS UM E 1
- User Manual 1
- AUTOMATIONWORX 3
- 6874_en_09 PHOENIX CONTACT 5
- Table of Contents 7
- PHOENIX CONTACT 6874_en_09 10
- 1.1 Properties 11
- 1.1.1 System Components 13
- 6 8 7 4 0 0 0 2 19
- 68740049 21
- 6 8 7 4 0 0 2 8 22
- 6 8 7 4 0 0 0 1 23
- 2 Assembly and Installation 27
- M o u n t i n g 29
- R e m o v a l 29
- FL M LABEL 33
- – Remove the labeling field 34
- 2 4 V D C 35
- 2.5.3 Alarm Contact 37
- 2.6 Grounding 38
- 3 Startup and Functions 39
- 3.1.2 Assigning IP Parameters 40
- B i t 1 B i t 3 2 41
- 5 9 . E A . 5 5 . 3 2 44
- 6 8 7 4 0 0 3 7 45
- Device is started up 46
- PROFINET IO contoller 46
- 3.2.1 FL IF 2TX VS-RJ 47
- 3.2.2 FL IF 2POF 10/100 49
- 6 8 7 4 0 0 1 9 51
- 6 8 7 4 0 0 1 7 52
- 6 8 7 4 0 0 1 8 53
- 6 8 7 4 0 0 2 0 55
- 3.2.5 FL IF 2FX ST-D 56
- 3.2.6 FL IF TX/POF 10/100 57
- 3.2.7 FL IF TX/HCS 100 58
- 3.2.8 FL IF MEM 2TX-D 60
- 3.2.9 FL IF 2PSE-F 62
- Internal bridges 65
- 3.2.10 FL IF 2POF SCRJ-D 66
- 3.3 Frame Switching 69
- 3.3.4 Prioritization 70
- 4.1 Factory Manager 73
- 4.2.1 General Function 83
- 4.2.2.2 Password Concept 84
- 4.2.3.3 General Configuration 86
- Configuration and Diagnostics 99
- FL SWITCH MM HS 102
- 4.3.1 General Function 112
- Information 115
- Monitoring 115
- 4.3.3 RFC1213 MIB - MIB II 117
- 4.3.11 Private MIBs 140
- 065432178 158
- 31 30 29 28 158
- Communication Interface 188
- 6 8 7 4 0 0 1 0 189
- 6 8 7 4 0 0 1 2 191
- 6 8 7 4 0 0 2 4 192
- 6 8 7 4 0 0 2 5 193
- 4.5 Management via Telnet 195
- 5 (Rapid) Spanning Tree 199
- 5.2 (R)STP Startup 200
- 687407052 209
- Forwarding 211
- Blocking 211
- Disabled 211
- Learning 211
- 687409059 217
- Determine path to root switch 220
- Same path costs? 220
- Inactive link 223
- Relevant path 223
- Active link 223
- 6 Multicast Filtering 225
- Transmitter 230
- 6.4 Dynamic Multicast Groups 231
- 7.1 Basics 233
- Management 233
- 7.4 Current VLANs 236
- 7.4.1 Static VLANs 237
- 7.4.2 VLAN Port Configuration 238
- 7.5 Creating Static VLANs 239
- 7.6 VLAN and (R)STP 241
- Set by the user: 246
- 8.2.4 Naming the Device 247
- 8.3 PROFINET Alarms 248
- 9.1 Basics 249
- 10 DHCP Relay Agent 253
- 11.1 Technical Data 255
- 11.3 Ordering Data 260
- Accessories 261
- A Appendix: Index 263
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