Frame Relay IPX Routing
Page 29-18
Frame Relay IPX Routing
Frame Relay
IPX
and IP routing differ in the way they determine the address of a router at
each end of a virtual circuit. Instead of using Inverse
ARP
,
IPX
uses a process called “glean-
ing” to determine routing information. In gleaning, the
IPX
routing protocol on one end of a
virtual circuit obtains the network node number for the router at other end of the virtual
circuit.
A
WSX
or router continuously receives
RIP
and
SAP
updates on a given virtual circuit. When it
receives the first such broadcast, the
IPX
process looks at, or gleans, the source address from
the frame’s
IPX
header. When the router needs to send traffic on that router later, it uses the
source address it just obtained as the destination address for that router. The following
diagram illustrates
IPX
Gleaning.
IPX Gleaning
Not all Routers support IPX gleaning. If you need to interoperate with a Router that does not
support gleaning, then you may need to statically map addresses on that Router.
The configuration of
WSX
routing services is described in
Configuring a WAN Routing Service
on page 29-59.
R
Router
sends WSX a SAP or RIP update.
The source address of the Router port is
included in the IPX header.
When the WSX needs to send traffic
to the same router, it uses the
source address just gleaned from the
broadcast frame as the destination
address for traffic to this router.
➊
WSX
R
Frame Relay
Network
WSX examines
the IPX header
and “gleans” the source net-
work node address.
➋
➌
WSX
Содержание Omni Switch/Router
Страница 1: ...Part No 060166 10 Rev C March 2005 Omni Switch Router User Manual Release 4 5 www alcatel com ...
Страница 4: ...page iv ...
Страница 110: ...WAN Modules Page 3 40 ...
Страница 156: ...UI Table Filtering Using Search and Filter Commands Page 4 46 ...
Страница 164: ...Using ZMODEM Page 5 8 ...
Страница 186: ...Displaying and Setting the Swap State Page 6 22 ...
Страница 202: ...Creating a New File System Page 7 16 ...
Страница 270: ...Displaying Secure Access Entries in the MPM Log Page 10 14 ...
Страница 430: ...OmniChannel Page 15 16 ...
Страница 496: ...Configuring Source Route to Transparent Bridging Page 17 48 ...
Страница 542: ...Dissimilar LAN Switching Capabilities Page 18 46 ...
Страница 646: ...Application Example DHCP Policies Page 20 30 ...
Страница 660: ...GMAP Page 21 14 ...
Страница 710: ...Viewing the Virtual Interface of Multicast VLANs Page 23 16 ...
Страница 722: ...Application Example 5 Page 24 12 ...
Страница 788: ...Viewing UDP Relay Statistics Page 26 24 ...
Страница 872: ...The WAN Port Software Menu Page 28 46 ...
Страница 960: ...Deleting a PPP Entity Page 30 22 ...
Страница 978: ...Displaying Link Status Page 31 18 ...
Страница 988: ...Displaying ISDN Configuration Entry Status Page 32 10 ...
Страница 1024: ...Backup Services Commands Page 34 14 ...
Страница 1062: ...Diagnostic Test Cable Schematics Page 36 24 ...
Страница 1072: ...Configuring a Switch with an MPX Page A 10 ...
Страница 1086: ...Page B 14 ...
Страница 1100: ...Page I 14 Index ...