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CIT_209 > chapter_7 EIGRP part 2 > Flashcards

chapter_7 EIGRP part 2 Flashcards

1
Q

what number is used to represent ospf and EIGRP?

A

ospf= 110 EIGRP = 190

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2
Q

what are the 1st 6 EIGRP packet types?

A

?7.1.2.1

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3
Q

what does passive state on an interface mean in EIGRP?

A

no more updates are occurring, whereas active means updates are still occurring.

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4
Q

what is the following number? 01-00-5E

A

organizational multicast mac address

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5
Q

what does a wildcard mask do?

A

a specific subnet is only advertised and NOT an entire network. a subnet mask will advertise an entire network.

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6
Q

what does the following command do? ipv6 unicast-routing

A

turns on ipv6 on the switch

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7
Q

what is the link-local address on ethernet for pv6?

A

the default gateway address.

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8
Q

should 2 link local addresses be the same on the same link?

A

no, the link-local addresses can not be the same just like an IP address can’t be the same on both ends of a link.

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9
Q

are link-local addresses routed?

A

no, link-local addresses are not routed or used beyond the interface that it is set on.

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10
Q

the EIGRP route table symbol (D) means what?

A

shows that , that connection was learned through EIGRP.

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11
Q

what does the following command do? passive-interface default

A

sets all interfaces on that router as passive. this keeps your internet protocol from working on the serial ports.

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12
Q

what is auto summerization and is it on by default?

A

auto summerization is when routes in the router table are summerized (one address that represents many addresses) this keeps the route table smaller and requires less memory and no algorith processes by the router. NOT SET BY DEFAULT (off by default)

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13
Q

how is route summerization configured on routers?

A

route summerizaation must be set on each interface that uses it.

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14
Q

what is the purpose of a default route? and what is it??

A

a default route is usually 0.0.0.0 and is the gateway of last resort.

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15
Q

what kind of route is used to get info back into the network?

A

a static route

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16
Q

what address is used to indicate the neighbor in the adjacency messages.?

A

FE80::# link local number

17
Q

FF02::# is what?

A

ipv6 multicast number

18
Q

do debug ipv6 eigrp 1 does what?

A

shows all processes that occure when u shut down interfaces, etc. with EIGRP.

19
Q

what type of address should also be tied together with a default route? inorder to have infro from the web reach internal devices…

A

a static route for the messages to return to (inside the network). the default route is the static route 0.0.0.0 0.0.0.0 **default route on one end of a connection and a static route on the other end.

20
Q

IGRP?

A

Interior Gateway Routing Protocol (older classful distance vector protocol… now replaced with classless EIGRP).

21
Q

DMVPN?

A

Dynamic Multipoint Virtual Private Network (

22
Q

what are some other distance vector protocols?

A

RIP and IGRP.

23
Q

DUAL?

A

Diffusing Update Algorithm (DUAL) . an algorith used to create loop free back-up paths.

24
Q

(RTP)?

A

The Reliable Transport Protocol (RTP) is unique to EIGRP and provides delivery of EIGRP packets to neighbors. RTP and the tracking of neighbor adjacencies set the stage for DUAL.

25
Q

what is PDM?

A

protocol dependent modules: a layer 3 (network layer) tasks. responsible for packet transportation iencapsulated in ipv4. also informs DUAL of new information received.

26
Q

what is RTP?

A

RTP= reliable transport protocol: used for the delivery of EIGRP packets.

27
Q

diff. between reliable vs unreliable RTP?

A

reliable reliable transport protocol (RTP) means an acknowledgment packet must be received after delivering a EIGRP packet whereas unrealiable does not require this.

28
Q

what address is this used for? 224.0.0.10

A

multicast EIGRP for ipv4 multicast address.

29
Q

what is the multicast EIGRP ipv6 address?

A

FF02::A

30
Q

what are the EIGRP packet types? how many are there?

A

5 types: hello, acknowledgment, update, query (asks neighbor routers for EIGRP routes) and Reply packet.

CIT_209 (26 decks)

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