How to pass ccnp tshoot 300 135 dumps in Oct 2017

Examcollection offers free demo for 300 135 tshoot exam. “Troubleshooting and Maintaining Cisco IP Networks (TSHOOT)”, also known as 300 135 tshoot pdf exam, is a Cisco Certification. This set of posts, Passing the Cisco ccnp 300 135 exam, will help you answer those questions. The ccnp tshoot 300 135 dumps Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco ccnp tshoot 300 135 exams and revised by experts!

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Q11. – (Topic 3) 

You have been brought in to troubleshoot an EIGRP network. A network engineer has made configuration changes to the network rendering some locations unreachable. You are to locate the problem and suggest solution to resolve the issue. 

R5 has become partially isolated from the remainder of the network. R5 can reach devices on directly connected networks but nothing else. What is causing the problem? 

A. An outbound distribute list in R3 

B. Inbound distribute lists in R5 

C. An outbound distribute list in R6 

D. Incorrect EIGRP routing process ID in R5 

Answer:

Explanation: 

Here we see that distribute list 3 has been applied to EIGRP on router R%, but access-list 3 contains only deny statements so this will effectively block all routing advertisements from its two EIGRP neighbors, thus isolating R5 from the rest of the EIGRP network: 

Topic 4, Troubleshooting HSRP 

13. – (Topic 4) 

Scenario: 

You have been asked by your customer to help resolve issues in their routed network. Their network engineer has deployed HSRP. On closer inspection HSRP doesn't appear to be operating properly and it appears there are other network problems as well. You are to provide solutions to all the network problems. 

Examine the configuration on R4. The routing table shows no entries for 172.16.10.0/24 and 172.16.20.0/24. Identify which of the following is the issue preventing route entries being installed on R4 routing table? 

A. HSRP issue between R4 and R2 

B. This is an OSPF issue between R4 and R2 

C. This is a DHCP issue between R4 and R2 

D. The distribute-list configured on R4 is blocking route entries 

E. The ACL configured on R4 is blocking inbound traffic on the interface connected to R2 

Answer:

Explanation: 

If we look at the configuration on R4 we see that there is a distribute list applied to OSPF, which blocks the 172.16.20.0/24 and 172.16.10.0/24 networks. 

Q12. – (Topic 9) 

The implementations group has been using the test bed to do a ‘proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing schemes, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address. 

Use the supported commands to isolated the cause of this fault and answer the following questions. 

On which device is the fault condition located? 

A. R1 

B. R2 

C. R3 

D. R4 

E. DSW1 

F. DSW2 

G. ASW1 

Answer:

Explanation: 

The BGP neighbor statement is wrong on R1. 

Q13. – (Topic 19) 

The implementation group has been using the test bed to do an IPv6 'proof-of-concept1. After several changes to the network addressing and routing schemes, a trouble ticket has been opened indicating that the loopback address on R1 (2026::111:1) is not able to ping the loopback address on DSW2 (2026::102:1).

Use the supported commands to isolate the cause of this fault and answer the following question.

On which device is the fault condition located?

A. R1

B. R2

C. R3

D. R4

E. DSW1

F. DSW2

G. ASW1

H. ASW2

Answer: B

Explanation:

Start to troubleshoot this by pinging the loopback IPv6 address of DSW2 (2026::102:1). This can be pinged from DSW1, R4, and R3, which leads us to believe that the issue is with R2. Going further, we can see that R2 only has an IPV6 OSPF neighbor of R1, not R3:

We can then see that OSPFv3 has not been enabled on the interface to R3:

So the problem is with R2, related to IPV6 Routing, and the fix is to enable the "ipv6 ospf 6 area 0" command under the serial 0/0/0.23 interface.

Q14. – (Topic 20) 

The implementation group has been using the test bed to do an IPv6 'proof-of-concept1.

After several changes to the network addressing and routing schemes, a trouble ticket has been opened indicating that the loopback address on R1 (2026::111:1) is not able to ping the loopback address on DSW2 (2026::102:1).

The fault condition is related to which technology?

A. NTP

B. IP DHCP Server

C. IPv4 OSPF Routing

D. IPv4 EIGRP Routing

E. IPv4 Route Redistribution

F. IPv6 RIP Routing

G. IPv6 OSPF Routing

H. IPV4 and IPV6 Interoperability

I. IPv4 layer 3 security

Answer: G

Explanation:

As explained earlier, the problem is with route redistribution on R4 of not redistributing RIP routes into OSPF for IPV6.

Q15. – (Topic 21) 

The implementation group has been using the test bed to do an IPv6 'proof-of-concept1. After several changes to the network addressing and routing schemes, a trouble ticket has been opened indicating that the loopback address on R1 (2026::111:1) is not able to ping the loopback address on DSW2 (2026::102:1).

Use the supported commands to isolate the cause of this fault and answer the following question.

What is the solution to the fault condition?

A. Under the interface Tunnel34 configuration delete the tunnel mode ipv6 command.

B. Under the interface Serial0/0/0.34 configuration enter the ipv6 address 2026::34:1/122 command.

C. Under the interface Tunnel34 configuration enter the ip address unnumbered Serial0/0/0.34 command.

D. Under the interface Tunnel34 configuration delete the tunnel source Serial0/0/0.34 command and enter the tunnel source 2026::34:1/122 command.

Answer: A

Explanation:

As explained earlier, the problem is with route misconfigured tunnel modes on R3. R3 is using tunnel mode ipv6, while R4 is using the default of GRE. We need to remove the "tunnel mode ipv6" command under interface Tunnel34

Q16. – (Topic 14) 

The implementations group has been using the test bed to do a ‘proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address. 

Use the supported commands to isolated the cause of this fault and answer the following questions. 

The fault condition is related to which technology? 

A. NTP 

B. IP DHCP Server 

C. IPv4 OSPF Routing 

D. IPv4 EIGRP Routing 

E. IPv4 Route Redistribution 

F. IPv6 RIP Routing 

G. IPv6 OSPF Routing 

H. IPv4 and IPv6 Interoperability 

I. IPv4 layer 3 security 

Answer:

Explanation: 

On R4, IPV4 EIGRP Routing, need to change the EIGRP AS number from 1 to 10 since DSW1 & DSW2 is configured to be in EIGRP AS number 10. 

Topic 15, Ticket 10 : VLAN Access Map 

Topology Overview (Actual Troubleshooting lab design is for below network design) 

. Client Should have IP 10.2.1.3 

. EIGRP 100 is running between switch DSW1 & DSW2 

. OSPF (Process ID 1) is running between R1, R2, R3, R4 

. Network of OSPF is redistributed in EIGRP 

. BGP 65001 is configured on R1 with Webserver cloud AS 65002 

. HSRP is running between DSW1 & DSW2 Switches 

The company has created the test bed shown in the layer 2 and layer 3 topology exhibits. 

This network consists of four routers, two layer 3 switches and two layer 2 switches. 

In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1. 

DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary. 

R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISP's network. Because the company's address space is in the private range. 

R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network. 

ASW1 and ASW2 are layer 2 switches. 

NTP is enabled on all devices with 209.65.200.226 serving as the master clock source. 

The client workstations receive their IP address and default gateway via R4's DHCP server. 

The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2. 

In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6. 

DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE. 

The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary. 

Recently the implementation group has been using the test bed to do a ‘proof-of-concept' on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations. 

Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution. 

Each ticket has 3 sub questions that need to be answered & topology remains same. 

Question-1 Fault is found on which device, 

Question-2 Fault condition is related to, 

Question-3 What exact problem is seen & what needs to be done for solution 

Client 1 is unable to ping IP 209.65.200.241 

Solution 

Steps need to follow as below:-

. When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4 

ipconfig —– Client will be receiving IP address 10.2.1.3 

. From Client PC we can ping 10.2.1.254…. 

. But IP 10.2.1.3 is not able to ping from R4, R3, R2, R1 

. Change required: On DSW1, VALN ACL, Need to delete the VLAN access-map test1 whose action is to drop access-list 10; specifically 10.2.1.3 

Q17. – (Topic 5) 

Scenario: 

A customer network engineer has edited their OSPF network configuration and now your customer is experiencing network issues. They have contacted you to resolve the issues and return the network to full functionality. 

The OSPF neighbour relationship has been lost between R1 and R3. What is causing this problem? 

A. The serial interface in R1 should be taken out of the shutdown state. 

B. A neighbor statement needs to be configured in R1 and R3 pointing at each other. 

C. The R1 network type should be changed to point-to-multipoint non-broadcast. 

D. The hello, dead and wait timers on R1 need to be reconfigured to match the values on R3. 

Answer:

Explanation: 

In order for two OSPF routers to become neighbors, they must have matching network types across the links. In this case, we see that R1 has been configured as non-broadcast and R3 is using point to point non-broadcast. 

This can be seen by issuing the "show running-config" command on each router, or the "show ip ospf interface" command: 

Topic 6, Ticket 1: Switch Port Trunk 

Topology Overview (Actual Troubleshooting lab design is for below network design) 

. Client Should have IP 10.2.1.3 

. EIGRP 100 is running between switch DSW1 & DSW2 

. OSPF (Process ID 1) is running between R1, R2, R3, R4 

. Network of OSPF is redistributed in EIGRP 

. BGP 65001 is configured on R1 with Webserver cloud AS 65002 

. HSRP is running between DSW1 & DSW2 Switches 

The company has created the test bed shown in the layer 2 and layer 3 topology exhibits. 

This network consists of four routers, two layer 3 switches and two layer 2 switches. 

In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1. 

DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary. 

R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISP's network. Because the company's address space is in the private range. 

R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network. 

ASW1 and ASW2 are layer 2 switches. 

NTP is enabled on all devices with 209.65.200.226 serving as the master clock source. 

The client workstations receive their IP address and default gateway via R4's DHCP server. 

The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2. 

In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6. 

DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE. 

The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running 

over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary. 

Recently the implementation group has been using the test bed to do a ‘proof-of-concept' on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations. 

Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution. 

Each ticket has 3 sub questions that need to be answered & topology remains same. 

Question-1 Fault is found on which device, 

Question-2 Fault condition is related to, 

Question-3 What exact problem is seen & what needs to be done for solution 

Client is unable to ping IP 209.65.200.241 

Solution 

Steps need to follow as below:-

. When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4 

Ipconfig —– Client will be getting 169.X.X.X 

. On ASW1 port Fa1/0/ 1 & Fa1/0/2 access port VLAN 10 was assigned which is using IP address 10.2.1.0/24 

Sh run ——- & check for running config of int fa1/0/1 & fa1/0/2 

==================================================== 

interface FastEthernet1/0/1switchport mode accessswitchport access vlan 10interface 

FastEthernet1/0/2switchport mode accessswitchport access vlan 10 

==================================================== 

. We need to check on ASW 1 trunk port the trunk Po13 & Po23 were receiving VLAN 20 & 200 but not VLAN 10 so that switch could not get DHCP IP address and was failing to reach IP address of Internet 

. Change required: On ASW1 below change is required for switch-to-switch Connectivity.. 

int range portchannel13,portchannel23 switchport trunk allowed vlan none switchport trunk allowed vlan 10,200 

Q18. – (Topic 17) 

The implementations group has been using the test bed to do a ‘proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing schemes, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened DSW1 will not become the active router for HSRP group 10. 

Use the supported commands to isolated the cause of this fault and answer the following questions. 

What is the solution to the fault condition? 

A. Under the interface vlan 10 configuration enter standby 10 preempt command. 

B. Under the track 1 object configuration delete the threshold metric up 1 down 2 command and enter the threshold metric up 61 down 62 command. 

C. Under the track 10 object configuration delete the threshold metric up 61 down 62 command and enter the threshold metric up 1 down 2 command. 

D. Under the interface vlan 10 configuration delete the standby 10 track1 decrement 60 command and enter the standby 10 track 10 decrement 60 command. 

Answer:

Explanation: 

On DSW1, related to HSRP, under VLAN 10 change the given track 1 command to instead use the track 10 command. 

Q19. – (Topic 13) 

The implementations group has been using the test bed to do a ‘proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing scheme, DHCP services, 

NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address. 

Use the supported commands to isolated the cause of this fault and answer the following questions. 

The fault condition is related to which technology? 

A. NTP 

B. IP DHCP Server 

C. IPv4 OSPF Routing 

D. IPv4 EIGRP Routing 

E. IPv4 Route Redistribution 

F. IPv6 RIP Routing 

G. IPv6 OSPF Routing 

H. IPv4 and IPv6 Interoperability 

I. IPv4 layer 3 security 

Answer:

Explanation: 

On R4, in the redistribution of EIGRP routing protocol, we need to change name of route-map to resolve the issue. It references route-map OSPF_to_EIGRP but the actual route map is called OSPF->EIGRP. 

Q20. – (Topic 9) 

The implementations group has been using the test bed to do a ‘proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address. 

Use the supported commands to isolated the cause of this fault and answer the following questions. 

What is the solution to the fault condition? 

A. Under the BGP process, enter the bgp redistribute-internal command. 

B. Under the BGP process, bgp confederation identifier 65001command. 

C. Deleted the current BGP process and reenter all of the command using 65002 as the AS number. 

D. Under the BGP process, delete the neighbor 209.56.200.226 remote-as 65002 command and enter the neighbor 209.65.200.226 remote-as 65002 command. 

Answer:

Explanation: 

On R1 under router BGP change neighbor 209.56.200.226 remote-as 65002 statement to neighbor 209.65.200.226 remote-as 65002 

Topic 10, Ticket 5 : NAT ACL 

Topology Overview (Actual Troubleshooting lab design is for below network design) 

. Client Should have IP 10.2.1.3 

. EIGRP 100 is running between switch DSW1 & DSW2 

. OSPF (Process ID 1) is running between R1, R2, R3, R4 

. Network of OSPF is redistributed in EIGRP 

. BGP 65001 is configured on R1 with Webserver cloud AS 65002 

. HSRP is running between DSW1 & DSW2 Switches 

The company has created the test bed shown in the layer 2 and layer 3 topology exhibits. 

This network consists of four routers, two layer 3 switches and two layer 2 switches. 

In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1. 

DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary. 

R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISP's network. Because the company's address space is in the private range. 

R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network. 

ASW1 and ASW2 are layer 2 switches. 

NTP is enabled on all devices with 209.65.200.226 serving as the master clock source. 

The client workstations receive their IP address and default gateway via R4's DHCP server. 

The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2. 

In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6. 

DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE. 

The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary. 

Recently the implementation group has been using the test bed to do a ‘proof-of-concept' on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced 

during these configurations. 

Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution. 

Each ticket has 3 sub questions that need to be answered & topology remains same. 

Question-1 Fault is found on which device, 

Question-2 Fault condition is related to, 

Question-3 What exact problem is seen & what needs to be done for solution 

Client is unable to ping IP 209.65.200.241 

Solution 

Steps need to follow as below:-

. When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4 

Ipconfig —– Client will be receiving IP address 10.2.1.3 

. IP 10.2.1.3 will be able to ping from R4 , R3, R2, R1 

. Look for BGP Neighbourship 

Sh ip bgp summary —– State of BGP will be in established state & will be able to receive I prefix (209.65.200.241) 

. As per troubleshooting we are able to ping ip 10.2.1.3 from R1 & BGP is also receiving prefix of webserver & we are able to ping the same from R1. Further troubleshooting needs to be done on R1 on serial 0/0/1 

. Check for running config. i.e sh run for interface serial 0/0/1.. 

From above snapshot we are able to see that IP needs to be PAT to serial 0/0/1 to reach web server IP (209.65.200.241). But in access-list of NAT IP allowed IP is 10.1.0.0/16 is allowed & need 10.2.0.0 /16 to 

. As per troubleshooting we are able to ping ip 10.2.1.3 from R1 & BGP is also receiving prefix of web server & we are able to ping the same from R1. Its should be checked further for running config of interface for stopping 

. Change required: On R1 we need to add the client IP address for reachability to server to the access list that is used to specify which hosts get NATed. 

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