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Question 7/41
Click the Exhibit button.
After adding Customer C to your Layer 3 VPN, you must ensure that PE2 is receiving VPN routes for all customers attached to PE1, as shown in the exhibit.
Which operational command displays this information?
Correct Answer: B
Understanding the Exhibit and the Problem Statement
* The diagram shows a Layer 3 VPN (L3VPN) setup where multiple customers (Customer A, B, and C ) are connected across a service provider network using PE (Provider Edge) routers.
* PE1 and PE2 exchange VPN routes for all customers using BGP/MPLS Layer 3 VPN (L3VPN) routing.
* The question asks how to verify if PE2 is receiving VPN routes for Customer C.
Evaluating the Answer Choices
# B. show route table bgp.l3vpn.0 (Correct Answer)
* Why?
* This command shows all VPN routes stored in the BGP Layer 3 VPN table (bgp.l3vpn.0).
* Since PE routers exchange VPN routes using MP-BGP, this table contains the VPN-IPv4 or VPN-IPv6 routes for all customers.
* If PE2 is receiving routes from PE1 for Customer C, they will appear in bgp.l3vpn.0.
# A. show route table inet.0 (Incorrect)
* Why?
* The inet.0 table contains global unicast routes for the service provider's network.
* VPN routes do not appear here because they are stored in VRF-specific tables.
* This command won't help verify VPN route exchange between PE1 and PE2.
# C. show route table customer-c.inet.0 (Incorrect)
* Why?
* The table customer-c.inet.0 represents the VRF routing table for Customer C on the local PE.
* It only shows locally installed routes for Customer C but does not confirm if PE2 is receiving routes from PE1.
* This command is useful to check local VPN routing but not BGP route propagation.
# D. show route summary (Incorrect)
* Why?
* This command only provides a summary of route counts per protocol (BGP, OSPF, etc.).
* It does not display specific VPN routes.
* It is useful for general troubleshooting but doesn't confirm VPN route receipt.
# show route table bgp.l3vpn.0 (Option B)
Official Juniper Documentation Reference
* Junos MPLS VPNs Configuration Guide# Juniper Documentation
"The show route table bgp.l3vpn.0 command displays all VPN-IPv4 routes learned via MP-BGP for Layer 3 VPNs."
* The diagram shows a Layer 3 VPN (L3VPN) setup where multiple customers (Customer A, B, and C ) are connected across a service provider network using PE (Provider Edge) routers.
* PE1 and PE2 exchange VPN routes for all customers using BGP/MPLS Layer 3 VPN (L3VPN) routing.
* The question asks how to verify if PE2 is receiving VPN routes for Customer C.
Evaluating the Answer Choices
# B. show route table bgp.l3vpn.0 (Correct Answer)
* Why?
* This command shows all VPN routes stored in the BGP Layer 3 VPN table (bgp.l3vpn.0).
* Since PE routers exchange VPN routes using MP-BGP, this table contains the VPN-IPv4 or VPN-IPv6 routes for all customers.
* If PE2 is receiving routes from PE1 for Customer C, they will appear in bgp.l3vpn.0.
# A. show route table inet.0 (Incorrect)
* Why?
* The inet.0 table contains global unicast routes for the service provider's network.
* VPN routes do not appear here because they are stored in VRF-specific tables.
* This command won't help verify VPN route exchange between PE1 and PE2.
# C. show route table customer-c.inet.0 (Incorrect)
* Why?
* The table customer-c.inet.0 represents the VRF routing table for Customer C on the local PE.
* It only shows locally installed routes for Customer C but does not confirm if PE2 is receiving routes from PE1.
* This command is useful to check local VPN routing but not BGP route propagation.
# D. show route summary (Incorrect)
* Why?
* This command only provides a summary of route counts per protocol (BGP, OSPF, etc.).
* It does not display specific VPN routes.
* It is useful for general troubleshooting but doesn't confirm VPN route receipt.
# show route table bgp.l3vpn.0 (Option B)
Official Juniper Documentation Reference
* Junos MPLS VPNs Configuration Guide# Juniper Documentation
"The show route table bgp.l3vpn.0 command displays all VPN-IPv4 routes learned via MP-BGP for Layer 3 VPNs."
- Question List (41q)
- Question 1: Exhibit (Exhibit) Referring to the exhibit, which two statem...
- Question 2: (Exhibit) Click the Exhibit button. Referring to the exhibit...
- Question 3: (Exhibit) Click the Exhibit hutton. You are configuring an i...
- Question 4: You are configuring schedulers to define the class-of-servic...
- Question 5: Which two statements are correct about reflecting inet-vpn u...
- Question 6: Which two statements about IS-IS are correct? (Choose two.)...
- Question 7: (Exhibit) Click the Exhibit button. After adding Customer C ...
- Question 8: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 9: Exhibit (Exhibit) Referring to the exhibit, which two statem...
- Question 10: A packet is received on an interface configured with transmi...
- Question 11: Exhibit (Exhibit) You are examining an L3VPN route that incl...
- Question 12: Exhibit (Exhibit) Referring to the exhibit, CE-1 is providin...
- Question 13: Which two statements are correct about the customer interfac...
- Question 14: Your network is receiving the 203.0.113.0/24 network using E...
- Question 15: Exhibit (Exhibit) You are asked to exchange routes between R...
- Question 16: Exhibit (Exhibit) Which two statements about the configurati...
- Question 17: Exhibit (Exhibit) Referring to the exhibit, you must provide...
- Question 18: Which two EVPN route types are used to advertise a multihome...
- Question 19: Your organization manages a Layer 3 VPN for multiple custome...
- Question 20: After a recent power outage, your manager asks you to invest...
- Question 21: You have an L2VPN connecting two CEs across a provider netwo...
- Question 22: Exhibit (Exhibit) You want to use both links between R1 and ...
- Question 23: By default, which statement is correct about OSPF summary LS...
- Question 24: When building an interprovider VPN, you notice on the PE rou...
- Question 25: Exhibit (Exhibit) CE-1 and CE-2 are part of a VPLS called Cu...
- Question 26: Which three statements about IS-IS in a multi-area network a...
- Question 27: Exhibit (Exhibit) Click the Exhibit button-Referring to the ...
- Question 28: You are configuring a Layer 3 VPN between two sites. You are...
- Question 29: You must alter class-of-service values in packets on the out...
- Question 30: Exhibit (Exhibit) You want Site 1 to access three VLANs that...
- Question 31: Exhibit (Exhibit) A network is using IS-IS for routing. In t...
- Question 32: Exhibit (Exhibit) You have MAC addresses moving in your EVPN...
- Question 33: (Exhibit) Click the Exhibit button. PE-1 and PE-2 are config...
- Question 34: Exhibit (Exhibit) The network shown in the exhibit is based ...
- Question 35: What is the correct order of packet flow through configurabl...
- Question 36: Exhibit (Exhibit) Which two statements are true about the OS...
- Question 37: Exhibit. (Exhibit) Referring to the exhibit, which path woul...
- Question 38: You are a network architect for a service provider and want ...
- Question 39: Exhibit (Exhibit) Referring to the exhibit, PIM-SM is config...
- Question 40: You are using a Layer 3 VPN to connect two customer sites. T...
- Question 41: When using OSPFv3 for an IPv4 environment, which statement i...
