uppose AS3 and for their intra-AS routing protocol. Suppose AS1 is running RIP for its intra-AS routing protocol. 1) Router 1b and Ic learns about prefix x from which routing protocol: OSPF, RIP, or inter- AS routing protocol? 2) Router la learns about prefix x from which routing protocol: OSPF, RIP, or inter-AS routing protocol? 3) Once router la learns that x is accessible via Ic as well as 1b, it will put an entry (x, 1) in its forwarding table. Will / be set to l or l₂? Explain why. 3b 3c 3a AS3 1a 10 1b 2a AS2 2c 2b
uppose AS3 and for their intra-AS routing protocol. Suppose AS1 is running RIP for its intra-AS routing protocol. 1) Router 1b and Ic learns about prefix x from which routing protocol: OSPF, RIP, or inter- AS routing protocol? 2) Router la learns about prefix x from which routing protocol: OSPF, RIP, or inter-AS routing protocol? 3) Once router la learns that x is accessible via Ic as well as 1b, it will put an entry (x, 1) in its forwarding table. Will / be set to l or l₂? Explain why. 3b 3c 3a AS3 1a 10 1b 2a AS2 2c 2b
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Transcribed Image Text:17.
Consider the network shown below. Suppose AS3 and AS2 are running OSPF
for their intra-AS routing protocol. Suppose AS1 is running RIP for its intra-AS routing
protocol.
1) Router 16 and 1c learns about prefix x from which routing protocol: OSPF, RIP, or inter-
AS routing protocol?
2) Router la learns about prefix x from which routing protocol: OSPF, RIP, or inter-AS
routing protocol?
3) Once router la learns that x is accessible via Ic as well as 1b, it will put an entry (x, 1) in
its forwarding table. Will / be set to l₁ or 1₂? Explain why.
3b
3c
3a
AS3
1a
1c
1d
AS1
1b
2a
AS2
2c
2b
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