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2 answers
100 views

The relationship between AS upstreams, downstreams and peers

2 votes
1 answer
2k views

Sonicwall TZ105 Site to Site VPN Created can ping gateways but can't ping network from other site

0 votes
1 answer
32 views

How does a PIM router know which neighbour is the upstream router?

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2 answers
54 views

Connecting L3 and L2 switches with VLAN settings

23 votes
7 answers
55k views

Why use iBGP inside an Autonomous System, if IGP protocols fulfill the need for internal communication

1 vote
2 answers
172 views

bgp and routing

0 votes
2 answers
71 views

How does a new switch know how to reach the controller in an SDN?

0 votes
0 answers
14 views

In multicast, do shared trees exist solely to reduce router processing of (S,G) forwarding states?

0 votes
1 answer
35 views

Make printer in different subnet accessible to other subnet

0 votes
0 answers
21 views

Why Chassis MAC Address is used when advertising EVPN Type 5 routes

0 votes
2 answers
34 views

Why is congestion collapse from undelivered packets not possible when there's 1 congested link?

0 votes
3 answers
2k views

Cannot create subinterface

0 votes
2 answers
49 views

Is it possible to assign a default gateway per routing interface on a layer 3 switch

0 votes
1 answer
48 views

Is TCP used for data transfer after building the routing tables (using OSPF protocol)

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