LFIB Incoming label Outgoing label Next Outgoing interface hop A 62 LSR B ifo B 62 15 LSR D ifo 15 LSR D if2 D 15 60 LSR E if2 E 60 LSR E ifo Table 1: FEC entry in each LFIB with label binding information

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question

Consider the label allocations in Table 1 for the network scenario presented in Figure 6.
How would the labels change if we unplugged the link between C and D?

Non-MPLS
IP domain 1
В
ifl X ifo
ifl
if0
if2
ifl
<x.0.0.0,-
y.0.0.0>
if2
ifl
if0
Non-MPLS
iro D
E
IP domain 2
ifl
ifo
if2
Transcribed Image Text:Non-MPLS IP domain 1 В ifl X ifo ifl if0 if2 ifl <x.0.0.0,- y.0.0.0> if2 ifl if0 Non-MPLS iro D E IP domain 2 ifl ifo if2
LFIB
Incoming
Outgoing
label
Next
Outgoing
interface
label
hop
A
62
LSR B
ifo
B
62
15
LSR D
ifo
15
LSR D
if2
D
15
60
LSR E
if2
E
60
LSR E
ifo
Table 1: FEC entry in each LFIB with label binding information
Transcribed Image Text:LFIB Incoming Outgoing label Next Outgoing interface label hop A 62 LSR B ifo B 62 15 LSR D ifo 15 LSR D if2 D 15 60 LSR E if2 E 60 LSR E ifo Table 1: FEC entry in each LFIB with label binding information
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