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68 Cards in this Set

  • Front
  • Back

Metric is based off of

Bandwidth and delay

IPv4 Hello multicast address

224.0.0.10

Partial updates are sent when...

Change in topology only

Set bandwidth and delay

Interface config bandwidth and delay commands


Neighbor criteria (3)

Pass authentication


Same AS number


Same subnet

Protocol used to exchange routing table info

RTP (Reliable Transport Protocol)

Unit of measurement for delay command

tens of microseconds

Default serial line BW and delay

BW: 1544, delay: 20,000

Feasible distance

Calculated on LOCAL router for best route to subnet

Reported distance

Calculated on NEXT-HOP router for best route to subnet

Name for best route to subnet

Successor

Alternative immediately available route to subnet

Feasible successor

Criteria to be feasible successor

Second best metric..


Reported distance must be lower than feasible distance of successor

Algorithm used to find a route when route fails with no feasible successor

DUAL - Diffusing Update Algorithm

Triggered update

Routing protocol feature where RP does not wait for next periodic update, immediately sends update when a change in network

Set interface hello and hold time (IPv4)

Interface config


ip hello-interval eigrp asn


ip hold-time eigrp asn

Show commands for EIGRP enabled interfaces IPv4

show ip eigrp interface [detail]


show ip protocols

Show commands for EIGRP neighbors IPv4

show ip protocols


show ip eigrp neighbors [type number]

Show commands for EIGRP topology IPv4

show ip eigrp topology [subnet/prefix]

Show commands for EIGRP routes IPv4

show ip route eigrp

Show command to see hello/hold on an interface IPv4

show ip eigrp interfaces detail [type]

show command to see router ID IPv4

show ip protocols

3 ways EIGRP gets router ID

1. eigrp router id 1.1.1.1 subcommand


2. Highest IP address of Loopback addresses


3. Highest IP of other up/up interfaces

sh ip route AD and code for EIGRP

AD: 90


Code: D

Show command to see FD/RD of successor and feasible successor IPv4

show ip eigrp topology

Show command to examine metric components for a given subnet IPv4

show ip eigrp topology 10.1.3.0/24

Change maximum paths to 4 for load balancing

EIGRP config mode


maximum-paths 4

Variance command range

1-128

Achieving unequal cost load balancing

Use variance command

variance 2 with a successor FD 50 and RD 30 will allow a route with a maximum [?? FD/RD] of ?? to be added to the router table

FD - 100

Discontiguous network

Classful network separated by another classful network

Command to disable auto summarization

no auto-summary EIGRP subcommand

Neighbor table shows address of..
Address is based off of..

Working neighbor

Neighbor's interface IP address



Show command to see passive interfaces IPv4

show ip protocols | begin Routing for networks

IPv6 command to enable EIGRP on an interface

ipv6 eigrp 1

Command to set router ID

eigrp router-id 1.1.1.1

Change hello interval and hold time for IPv6

ipv6 hello-interval eigrp (AS) (time)


ipv6 hold-time eigrp (as) (time)

IPv6 show EIGRP interfaces and marks passive

show ipv6 protocols

Address shown with show ipv6 eigrp neighbors command

link local address

2 metric components that can optionally be used

Reliability, load

Command to create an EIGRP summary route for the network 10.0.0.0 off FA0/0

int fa0/0
ip summary-address eigrp 1 10.0.0.0 255.0.0.0

When creating a manual summation you must also

Disable auto summary

Command to disable auto-summary

(config-route)# no auto-summary

EIGRP supports what kind of authentication


MD5 only

Set EIGRP authentication type to MD5 on an interface

(config-if)# ip authentication mode eigrp 1 md5

Command to create a key chain named test

(config)# key chain TEST

Command to create a key in a keychain with a string value cisco

key 1


key-string Cisco

Command to apply a keychain named "TEST" to an interface for EIGRP AS1 authentication

ip authentication key-chain eigrp 1 TEST

Delay of gigabitethernet

10

Delay or fast ethernet

100

Delay of ethernet

1000

Show ip eigrp interfaces excludes interfaces that...

Are passive

Default k values

K1 1


K2 0


K3 1


K4 0


K5 0

Command to show all possible routes to a subnet (not just successor and fs)

Show ip eigrp topology all-links

Feature of eigrp that must be turned off for all routes to be sent in a multipoint link

Split horizon

What does it mean when a route goes "active"

The successor goes down with no feasible successor

Type of packets used in dual

Query (to find a route) and reply (to advertise a route)

RTP is acknowledged with what kind of packet

Ack

Define a stub router

A router that should not forward traffic from 2 remote eigrp learned subnets

Eigrp stub connected advertises what

Directly connected routes only

Eigrp stub summary advertises what

Auto-summarized or manual summary routes

Default max paths

4

Command to show max paths and variance

Show ip protocols

Command used to allow discontiguous networks

No auto-summary

* in routing table signifies

Candidate default

Which network should be set as default network

Classful network on border router (loop back)

Command to add a static default route to routing table

Network 0.0.0.0

Eigrp summary metric is based on (highest or lowest metric in summary)

Lowest