Telindus 1031 Router
Chapter 7
User manual
121
Incoming traffic (from the Internet)
Suppose the WAN IP network depicted in
works in numbered
mode
1
. The incoming traffic from the Internet may be destined either for the local network, or for the Tel-
indus 1031 Router itself. The router treats incoming traffic on the PAT address as follows:
1. Numbered mode means that each WAN interface has an IP address. In that case, you need
the single official IP address for your WAN interface.
begin
Does the PAT address match
the IP address of the WAN
interface and is this port
number known by the router its
protocol stack (TMA, Telnet,
SNMP, TFTP)?
Destination IP address =
PAT address
AND
port number = previously
allocated port number for
outgoing traffic?
Transport protocol?
Router error
message?
Echo reply?
Echo request?
The route replies on
this request.
Search corresponding
request and send to
originator.
Send to originator that
caused the error.
The router forwards the
packet after IP address / port
number replacement on the
local network.
The router treats the packet
as a packet destined for him.
Discard the packet.
end
ICMP
TCP/UDP
no
no
no
no
no
yes
yes
yes
yes
yes
Содержание 1031
Страница 11: ...Telindus 1031 Router User manual 1 User manual ...
Страница 12: ...Telindus 1031 Router User manual 2 ...
Страница 38: ...Telindus 1031 Router Chapter 2 User manual Installing and connecting the Telindus 1031 Router 28 ...
Страница 80: ...Telindus 1031 Router Chapter 5 User manual Basic configuration 70 ...
Страница 168: ...Telindus 1031 Router Chapter 8 User manual Configuring the bridge 158 ...
Страница 179: ...Telindus 1031 Router Reference manual 169 Reference manual ...
Страница 180: ...Telindus 1031 Router Reference manual 170 ...
Страница 308: ...Telindus 1031 Router Chapter 11 Reference manual Status attributes 298 ...
Страница 336: ...Telindus 1031 Router Chapter 12 Reference manual Performance attributes 326 ...
Страница 348: ...Telindus 1031 Router Chapter 13 Reference manual Alarm attributes 338 ...
Страница 362: ...Telindus 1031 Router Chapter 15 Reference manual Auto installing the Telindus 1031 Router 352 ...
Страница 370: ...Telindus 1031 Router Chapter 16 Reference manual Downloading software 360 ...
Страница 380: ...Telindus 1031 Router Chapter 17 Reference manual Technical specifications 370 ...
Страница 381: ...Telindus 1031 Router Annex 371 Annex ...
Страница 382: ...Telindus 1031 Router Annex 372 ...
Страница 384: ...Telindus 1031 Router Annex A Annex common TCP and UDP numbers 374 ...
Страница 386: ...Telindus 1031 Router Annex B Annex product information 376 ...
Страница 394: ...Telindus 1031 Router Index Annex 384 ...