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CCNA question QID:AN791
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  EC 845
Posted by: pc_evans - 01-01-2024, 07:01 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

What do aironet extensions have to do with this?

I think coverage hole detection is a more likely cause.

The first order of business is to detect coverage holes, and second to mitigate them (if possible and wise) by increasing power/coverage. 


https://www.cisco.com/c/en/us/td/docs/wi...r/chd.html

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  EC 745
Posted by: pc_evans - 01-01-2024, 06:31 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

Exhibit is wrong Inside Global Column only shows 3 octets.

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  EC 198
Posted by: pc_evans - 01-01-2024, 06:19 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

Edge-02 takes over when Edge-01 goes down because it is the only router in the HSRP group.

Changing the priority, preemption, tracking, or timers has no effect because there is only one router in the group.

The only way this question makes sense is if we assume that tracking on R1 to the Core caused Edge-01 to decrement its  priority, but that is not what the question is stating.

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  EC492
Posted by: pc_evans - 01-01-2024, 04:06 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

A data MDT is created to allow for the best transmission through the core for (S, G) multicast route entries.

I am not a multicast expert and would welcome opinions.

For high-bandwidth applications that have sparsely distributed receivers, this might pose the problem of unnecessary flooding to dormant PE routers. To overcome this, a special MDT group called a Data-MDT can be created to minimize the flooding by sending data only to PE routers that have active VPN receivers.

https://www.cisco.com/c/en/us/td/docs/io...mc-mvpn-xe-
3s-book/

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  EC553
Posted by: pc_evans - 12-30-2023, 07:55 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

looks like your exhibit is missing content

see https://www.examtopics.com/discussions/c...iscussion/


'ip ospf enable' is not a valid command so this option is out.



OSPF Example using Network Statement

IOU3(config)#router ospf 1
IOU3(config-router)#net 192.168.50.0 0.0.0.255 area 0
IOU3(config-router)#end
IOU3#

IOU3#sh ip ospf int
Ethernet0/0 is up, line protocol is up
  Internet Address 192.168.50.1/24, Area 0, Attached via Network Statement
  Process ID 1, Router ID 192.168.50.1, Network Type BROADCAST, Cost: 10
  Topology-MTID    Cost    Disabled    Shutdown      Topology Name
        0          10        no          no            Base
  Transmit Delay is 1 sec, State WAITING, Priority 1
  No designated router on this network
  No backup designated router on this network
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:02
    Wait time before Designated router selection 00:00:33
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1/1, flood queue length 0
  Next 0x0(0)/0x0(0)/0x0(0)
  Last flood scan length is 0, maximum is 0
  Last flood scan time is 0 msec, maximum is 0 msec
  Neighbor Count is 0, Adjacent neighbor count is 0
  Suppress hello for 0 neighbor(s)
IOU3#


Example of OSPF configured using interface config
IOU3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
IOU3(config)#no router ospf 1
IOU3(config)#int e 0/0
IOU3(config-if)#ip ospf 1 area 0

IOU3(config-if)#do sh ip ospf int
Ethernet0/0 is up, line protocol is up
  Internet Address 192.168.50.1/24, Area 0, Attached via Interface Enable
  Process ID 1, Router ID 192.168.50.1, Network Type BROADCAST, Cost: 10
  Topology-MTID    Cost    Disabled    Shutdown      Topology Name
        0          10        no          no            Base
  Enabled by interface config, including secondary ip addresses
  Transmit Delay is 1 sec, State WAITING, Priority 1
  No designated router on this network
  No backup designated router on this network
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:01
    Wait time before Designated router selection 00:00:23
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1/1, flood queue length 0
  Next 0x0(0)/0x0(0)/0x0(0)
  Last flood scan length is 0, maximum is 0
  Last flood scan time is 0 msec, maximum is 0 msec
  Neighbor Count is 0, Adjacent neighbor count is 0
  Suppress hello for 0 neighbor(s)
IOU3(config-if)#

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  EC 560
Posted by: pc_evans - 12-30-2023, 06:51 PM - Forum: CCNP ENCOR 350-401 Forum - No Replies

The exhibit shows both interfaces configured as dynamic auto but  status is trunking.

If both ports are dynamic auto the trunk would not come up and the command output of show interface trunk would not display any trunks.

IOU1#sh cdp ne
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
                  S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone,
                  D - Remote, C - CVTA, M - Two-port Mac Relay

Device ID        Local Intrfce    Holdtme    Capability  Platform  Port ID
IOU2            Eth 0/0          134            R S I  Linux Uni Eth 0/0

Total cdp entries displayed : 1
IOU1#sh run int e 0/0
Building configuration...

Current configuration : 29 bytes
!
interface Ethernet0/0
end

IOU1#show interface ethernet0/0 switchport | inc Administrative Mode:
Administrative Mode: dynamic auto
IOU1#sh int trunk
IOU1#

#############################################
IOU2#sho cdp ne
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
                  S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone,
                  D - Remote, C - CVTA, M - Two-port Mac Relay

Device ID        Local Intrfce    Holdtme    Capability  Platform  Port ID
IOU1            Eth 0/0          157            R S I  Linux Uni Eth 0/0

Total cdp entries displayed : 1
IOU2#sh run int e0/0
Building configuration...

Current configuration : 29 bytes
!
interface Ethernet0/0
end

IOU2#show interface ethernet0/0 switchport | inc Administrative Mode:
Administrative Mode: dynamic auto
IOU2#sh int trunk
IOU2#
IOU2#

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  EC 304
Posted by: pc_evans - 12-30-2023, 06:33 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

Either of these answers will work depending on which switch the configurations are applied.

[*]Configure channel-group 1 mode desirable on both interfaces.
[*]Configure channel-group 1 mode active on both interfaces.

[*]configuring both interfaces of  switch3 for PAgP (desirable) would work
[*]configuring both interfaces of switch2 for LACP (active) would work

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  Simulator Advice
Posted by: sigxcfi - 12-30-2023, 12:22 PM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

Can anyone recommend a suitable, (minimally pricedSmile, but adequate sim to use for ENCOR?

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  EC 164
Posted by: pc_evans - 12-30-2023, 04:22 AM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

I believe this question is asking about bi-directional communication between LISP and NON-LISP Sites. 
The provided reference shows both PETR an PITR as requirements for LISP to NON-LISP connectivity.

A MR accepts LISP encapsulated map requests from an ITR


Proxy Ingress/Egress Tunnel Router (PxTR)
Sites cannot all be LISP enabled immediately, and not all segments of the network are not capable of running LISP from day 1. With the gradual migration from non-LISP-enabled sites to LISP-enabled sites, network operators still require that the non-LISP-capable sites be able to send traffic destined to LISP-enabled sites. This is where proxy ingress/egress tunnel routers (PxTRs) come into play.
Proxy ingress tunnel routers (PITRs) allow for non-LISP sites to send packets to LISP sites. A PITR is a new network element that shares many characteristics with a LISP ITR. A PITR allows non-LISP sites to send packets to LISP sites without requiring changes in the protocol or devices at the non-LISP sites. PITRs perform two primary functions:

  • Originating EID advertisements: PITRs advertise highly aggregated EID-prefix space on behalf of LISP sites to the non-LISP sites so that the non-LISP sites can reach them.
  • Encapsulating legacy Internet traffic: PITRs encapsulate non-LISP Internet traffic into LISP packets and route them toward their destination RLOCs.
Proxy egress tunnel routers (PETRs) are used to allow traffic from LISP sites to non-LISP sites. A PETR acts as an ETR for traffic sourced from LISP sites and destined to non-LISP sites. PETRs are useful in the following cases:
  • Avoiding strict uRPF failures: Some providers’ access networks require the source of a packet to be within the address scope of the access networks. PETRs allow for LISP sites to send packets to non-LISP sites in cases where the access network does not allow for the LISP site to send packets with the source address of the site’s EIDs.
  • Traversing a different IP protocol: The transit path network between LISP sites and non-LISP sites may not be IPv4 or IPv6 enabled. LISP support for mixed protocol encapsulation allows PETRs to hop over such networks in order to route the traffic between the LISP and non-LISP sites.

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  EC 332
Posted by: pc_evans - 12-30-2023, 01:57 AM - Forum: CCNP ENCOR 350-401 Forum - Replies (1)

Correct answers are

Remove all configuration related to crypto map from R1 and R2 and eliminate the ACL.
Create an IPsec profile, associate the transform-set, and apply the profile to the tunnel interface.

https://www.youtube.com/watch?v=A6UoUOsbWuk


https://www.cisco.com/c/en/us/td/docs/io...F46CFDD07B

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