Chapter 12 Configuring Novell IPX

1
Chapter 12Configuring Novell IPX
2
Objectives

• Upon completion of this chapter, you will be able
  to perform the following tasks
• Describe the Novell IPX protocol stack
• Describe key features of Novell IPX
• List the required IPX address and encapsulation
  type
• Enable the Novell IPX protocol and configure
  interfaces
• Monitor Novell IPX operation on the router

3
Cisco Routers in NetWare Networks
4
Novell IPX Protocol Stack
5
Key Novell IPX Features

• Address is 80 bits (network.node)
• Interface MAC address is part of logical address
• Multiple encapsulations per interface
• Default routing protocol is Novell RIP
• Novell service advertisements in SAP traffic
• NetWare clients find servers with GNS packets

6
Novell IPX Addressing

• Each interface has a unique address

7
How to Determine the IPX Address

• Ask the NetWare administrator
• Use Cisco IOS command to check on neighbor CIsco
  router
• Use NetWare command to check on the NetWare file
  server/router

8
Multiple Novell Encapsulations

• For example, four types of Ethernet framing

9
Cisco Encapsulation Names

• Specify encapsulation when you configure IPX
  network

Cisco IOS Name
Novell IPX Name
Ethernet_II

arpa

Ethernet_802.2
sap
snap
Ethernet_SNAP
Ethernet_802.3
novell-ether
Token-Ring
token
Token-Ring_SNAP
snap
10
RIP?he IPX Routing Protocol

• Uses ticks (about 1/18 second) and hop count
  (maximum of 15 hops)
• Broadcasts routing information to neighbor
  routers every 60 seconds

11
SAP?ervice Advertisements

• SAP packets advertise all NetWare network
  services
• Can add excessive broadcast traffic to the network

12
GNS?lients Get Nearest Server

• GNS is a broadcast from a client needing a server
• File server and Cisco router get this SAP packet
• File server provides GNS response

13
Novell IPX Configuration Tasks

• Global configuration
• IPX routing
• Load sharing
• Interface configuration
• Network numbers
• Encapsulation type

14
Novell IPX Global Configuration

• Enables Novell IPX routing
• Configures round-robin load sharing over multiple
  equal metric paths

15
Novell IPX Interface Configuration

• Assigns primary and secondary network number and
  encapsulation

16
Novell IPX Configuration Example
9e.0800.4313.df56
6c.0800.1213.13de
A
B
Encapsulation

Encapsulation

sap
novell-ether
Network 9e
Network 6c
E0
S0
Network 1
S0
ipx routing

ipx maximum-paths 2

S1
E1
Network 3

S1
interface ethernet 0

ipx network 9e encapsulation novell-ether

ipx network 6c encapsulation sap secondary
Network 4a


C
interface ethernet 1

ipx network 4a encapsulation sap


4a.1234.0000.abcd
interface serial 0

ipx network 1

Encapsulation sap
17
Verifying IPX Operation
18
Monitoring IPX Status
19
Monitoring IPX Routing Tables
20
Monitoring IPX Servers List
21
Monitoring IPX Traffic
Router
show ipx traffic

System Traffic for 0.0000.0000.0001 System-Name
Router

Rcvd 29831 total, 0 format errors, 0 checksum
errors, 0 bad hop count,

0 packets pitched, 29831 local
destination, 0 multicast

Bcast 29816 received, 40021 sent

Sent 40024 generated, 0 forwarded

3 encapsulation failed, 0 no route

SAP 6 SAP requests, 6 SAP replies

0 SAP advertisements received, 0 sent

0 SAP flash updates sent, 0 SAP poison
sent

0 SAP format errors

RIP 6 RIP requests, 0 RIP replies

29819 RIP advertisements received, 39926
sent

52 RIP flash updates sent, 0 RIP poison
sent

0 RIP format errors

RIP 0 RIP format errors

Echo Rcvd 0 requests, 0 replies

Sent 0 requests, 0 replies

0 unknown 0 no socket, 0 filtered, 0 no
helper

0 SAPs throttled, freed NDB len 0

Watchdog

0 packets received, 0 replies spoofed

Queue lengths

IPX input 0, SAP 0, RIP 0, GNS 0

SAP throttling length 0/(no limit), 0
nets pending lost route reply
EIGRP Total received 0, sent 0


22
Troubleshooting IPX Routing
Router
debug ipx routing activity

IPX routing debugging is on

Router

IPXRIP positing full update to
3010.ffff.ffff.ffff via Enet0 (broadcast)

IPXRIP positing full update to
3000.ffff.ffff.ffff via Enet1 (broadcast)

IPXRIP positing full update to
3020.ffff.ffff.ffff via Serial0 (broadcast)

IPXRIP positing full update to
3021.ffff.ffff.ffff via Serial1 (broadcast)

IPXRIP sending update to 3020.ffff.ffff.ffff via
Serial0

IPXRIP src3020.0000.0c03.14d8,
dst3020.ffff.ffff.ffff, packet sent

network 3021, hops 1, delay 6

network 3010, hops 1, delay 6

network 3000, hops 1, delay 6

IPXRIP sending update to 3021.ffff.ffff.ffff via
Serial1

IPXRIP src3021.0000.0c03.14d8,
dst3021.ffff.ffff.ffff, packet sent

network 3020, hops 1, delay 6

network 3010, hops 1, delay 6

network 3000, hops 1, delay 6

IPXRIP sending update to 3010.ffff.ffff.ffff via
Ethernet0

IPXRIP src3010.aa00.0400.0284,
dst3010.ffff.ffff.ffff, packet sent

network 3030, hops 2, delay 7

network 3020, hops 1, delay 1

network 3021, hops 1, delay 1

network 3000, hops 1, delay 1

IPXRIP sending update to 3000.ffff.ffff.ffff via
Ethernet1
23
Troubleshooting IPX SAP
24
Summary

• Address is network.node
• Logical address contains interface MAC address
• IPX interface configuration supports multiple
  data-link encapsulations
• RIP uses the distance vectors of ticks and hops
• SAPs and GNS broadcasts function to connect
  clients and servers