Foundation Summary 417
Foundation Summary
Table 6-19 lists the EXEC commands covered in this chapter.
Table 6-20 lists interior IP routing protocols and their types. A column referring to whether the
routing protocol includes subnet mask information in the routing updates is listed for future
reference.
Table 6-19
EXEC Command Summary for Chapter 6
Command
Information Supplied
show ip protocol
Provides information on IP routing protocols running, IP addresses of
neighboring routers using the routing protocol, and timers.
show ip route
Lists IP routes, including subnet, next-hop router, and outgoing
interface. Also identifies the source of routing information.
show ipx route
Lists IPX routes, including subnet, next-hop router, and outgoing
interface. Also identifies the source of routing information.
show ipx servers
Lists contents of the SAP table, including server name, address, and
SAP type.
debug ip rip
Lists detailed contents of both sent and received IP RIP updates.
debug ip igrp transaction
Lists detailed contents of both sent and received IGRP updates.
debug ip igrp event
Lists summary of contents of both sent and received IGRP updates.
debug ipx rip activity
Lists detailed contents of both sent and received IPX RIP updates.
debug ipx sap activity
Lists detailed contents of both sent and received SAP updates.
Table 6-20
Interior IP Routing Protocols and Types
Routing Protocol
Type
Loop Prevention
Mechanisms
Mask Sent in
Updates?
RIP-1
Distance vector
Holddown timer, split
horizon
No
RIP-2
Distance vector
Holddown timer, split
horizon
Yes
IGRP
Distance vector
Holddown timer, split
horizon
No
EIGRP
Balanced hybrid
DUAL and feasible
successors
Yes
OSPF
Link-state
Dijkstra SPF algorithm
and full topology
knowledge
Yes
ch06.fm Page 417 Monday, March 20, 2000 5:11 PM