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Refer to the exhibit.
Which statement about Hub & Spoke MPLS VPN is false?
A . If two Spoke sites are connected to the same Spoke PE, they must be assigned to different VPN instances to prevent them from exchanging routing information.
B . The route of traffic from Spoke site 1 to Hub site 2: Traffic enters Hub site 3 through an interface under VPN1-Hub of the Hub PE and is then forwarded to Spoke site 2 through an interface under VPN1-Spoke of the Hub PE.
C . The route of traffic from Spoke site 2 to Hub site 1: Traffic enters Hub site 3 through an interface
under VPN1-Spoke of the Hub PE and is then forwarded to Spoke site 2 through an interface under VPN1-Hub of the Hub PE.
D . The Hub PE can advertise aggregate Spoke site routes or default routes to Spoke PEs through VPNv4.
E .Routes advertised by a Spoke PE to Spoke site 1 of the Hub PE may be advertised back by the Hub PE through a VPNv4 neighbor.
Configure VRFs and relevant policies on a PE as follows:
#
ip vpn-instance vrf1
route-distinguisher 100:1
export route-policy vrf1
vpn-target 1:1 export-extcommunity
vpn-target 2:2 import-extcommunity
ip vpn-instance vrf2
route-distinguisher 100:2
import route-policy vrf2
vpn-target 1:1 3:3 export-extcommunity
vpn-target 1:1 3:3 import-extcommunity
ip vpn-instance vrf3
route-distinguisher 100:3
import route-policy vrf3
vpn-target 2:2 3:3 export-extcommunityvpn-target 2:2 3:3 import-extcommunity
ip vpn-instance vrf4
route-distinguisher 100:4
import route-policy vrf4
vpn-target 1:1 export-extcommunity
vpn-target 2:2 import-extcommunity
#
route-policy vrf2 deny node 1
if-match extcommunity-filter 1
#
route-policy vrf2 permit node 2
#
route-policy vrf1 permit node 1
apply extcommunity rt 3:3 additive
#
route-policy vrf3 permit node 1
if-match extcommunity-filter 2
#
route-policy vrf4 permit node 1
if-match extcommunity-filter 3
#
ip extcommunity-filter 1 permit rt 2:2
ip extcommunity-filter 2 deny rt 1:1
ip extcommunity-filter 3 permit rt 3:3
#
If a route is imported to the routing table of VRF 1, which VRF can the route match?(A)
Multicast configurations in PIM-SM are as follows:
#
multicast routing-enable
#
acl number 2000
rule 5 permit source 239.0.0.0 0.0.0.255
rule 10 deny
#
acl number 2999
rule 5 permit source 233.32.32.0 0.0.0.255
rule 10 deny#
interface Ethernet10/2/0
ip address 10.1.1.1 255.255.255.0
pim sm
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
pim sm
#
interface LoopBack2
ip address 2.2.2.2 255.255.255.255
pim sm
#
interface LoopBack3
ip address 3.3.3.3 255.255.255.255
pim sm
#
pim
c-bsr Ethernet10/2/0
c-rp Ethernet10/2/0 priority 192
c-rp LoopBack0 group-policy 2000
c-rp LoopBack3
static-rp 2.2.2.2 2999 preferred
#
Based on the preceding configurations, which of the following statements about the mapping
relationships between the specified group and the RP are true?
Exhibit:
As shown in the figure, virtual private LAN service (VPLS) is enabled on routers PE 1 and PE 2.CEs are connected to PEs through QinQ and PC A and PC B are connected to the two CEs. The two PCs belong to the same VPN and can communicate with each other properly. Which of the following statements about the communication process when you ping PC B from PC A are true?
Refer to the exhibit.
OSPF process 1 is started on RTA and assigned to the vpn1 instance.
After the vpn-instance-capability simple command is configured in the OSPF view, which of the following statements are false?
