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345 Lab 4 Essay

7461 words - 30 pages

CNIT 345 |
Enterprise Internetwork Design & Implementation
|
Lab IV |

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Contents
OSPF 4
BASIC COMMANDS 4
Backup link Configuration 4
QOS 8
Testing 10
Trouble Shooting 11
Implications/How it works 11
SNMP & NetFlow 12
In Global Configuration Mode on each Cisco Router: 12
In Interface Configuration Mode on each Cisco Router: 12
Install Cacti on the HQ Server 12
Installing NfSen on the HQ Server: 13
Troubleshooting: 14
Verification/Testing: 14
Explanation: 15
What was not accomplished: 15
Formatting Cisco IOS on 2600 series routers 15
Testing 16
Trouble Shooting 16
General IPv6 commands: 17
Rip6 commands: 17
Implications/How it ...view middle of the document...

Backup link Configuration
This was configured to add link cost to the backup links. As a result the backup link will not be chosen when adding routes to the routing table. In the event of a primary link fail OSPF will re-converge with the backup links in the routing table.
int <interface to be configured>
ip ospf cost 50000

The following links were configured as above.
Region 1 Slave > Region 3
Region 2 Slave > Region 3
Region 3 > Warm
Region 4 Slave > Region 6
Region 5 Slave > Region 6
Region 6 > Warm
Testing
This was tested by viewing the routing table and then disabling the primary link interface. After a few seconds the routing table was reexamined and the backup links should be populated. The new backup link routes will stand out by having a very high link cost.
Verification
OSPF was verified in two ways.  The major method of verifying that OSPF was set up properly was using the show ip route command.  This command shows the current routing table for the device; which interface to use to reach specific networks that are not directly connected and the cost of using that route.  A small section of the routing table of HQ is shown below:
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 92 subnets, 4 masks
O IA 10.21.28.0/23 [110/77] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/77] via 10.21.12.2, 1w0d, FastEthernet0/0
C 10.21.12.16/30 is directly connected, Serial6/2
O IA 10.21.26.0/23 [110/86] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/86] via 10.21.12.2, 1w0d, FastEthernet0/0
C 10.21.12.20/30 is directly connected, Serial4/0
O IA 10.21.53.32/27 [110/76] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/76] via 10.21.12.2, 1w0d, FastEthernet0/0
O IA 10.21.52.32/27 [110/76] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/76] via 10.21.12.2, 1w0d, FastEthernet0/0
O IA 10.21.20.0/23 [110/87] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/87] via 10.21.12.2, 1w0d, FastEthernet0/0
C 10.21.12.24/30 is directly connected, Serial4/1
O IA 10.21.18.0/23 [110/87] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/87] via 10.21.12.2, 1w0d, FastEthernet0/0
O IA 10.21.16.0/23 [110/96] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/96] via 10.21.12.2, 1w0d, FastEthernet0/0
O IA 10.21.13.0/30 [110/791] via 10.21.12.22, 1w0d, Serial4/0
C 10.21.12.0/30 is directly connected, FastEthernet0/0
O IA 10.21.13.4/30 [110/845] via 10.21.12.22, 1w0d, Serial4/0
C 10.21.12.4/30 is directly connected, FastEthernet0/1
O IA 10.21.13.8/30 [110/845] via 10.21.12.22, 1w0d, Serial4/0
C 10.21.12.8/30 is directly connected, Serial6/0
C 10.21.2.0/27 is directly connected, FastEthernet0/0.9
O IA 10.22.2.0/24 [110/77] via 10.21.12.6, 1w0d, FastEthernet0/1
[110/77] via...

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