IS-IS Lab 17 Troubleshoot Multi-Area Continue
Previous Next
Download Lab: VIRL | EVE-NG | GNS3
Image requirements:
Cisco IOSv (vios-adventerprisek9-m.vmdk.SPA.156-2.T)
Introduction:
In the last lab, while troubleshooting the connectivity issues between L1 routers, it appears that there are additional issues in the IS-IS topology even though IP communications remain intact, it is vital to the company that everything has to be configured as designed.
Nodes Access:
Enable: cisco
Username: cisco
Password: cisco
Topology:
Reported Issues:
L1 only routers (A2, B2, D2, E2) in their IS-IS databases, missing IP information about L1/L2 border routers' loopback0 interfaces. These routers should not use a default route to access subnets in their own local areas.
Note: a solution that you are going to implement, should not affect how L1/L2 border routers share their link-state information with the core L2 area.
Example of the problem:
A2#show isis database detail A1.00-00IS-IS Level-1 LSP A1.00-00
LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL
A1.00-00 0x00000003 0xBFB3 983/1199 1/0/0
Area Address: 49.a000
NLPID: 0xCC
Hostname: A1
Metric: 10 IS A1.01
IP Address: 10.0.0.25
Metric: 10 IP 10.0.0.24 255.255.255.252
As the output shows, router A1 only includes in its L1 updates prefix of the link between nodes A1 and A2.
Validation:
The output from command "show isis database detail" on the L1 only routers (A2, B2, D2, E2) will contain prefixes of L1/L2 routers' loopback0 interfaces.
Download Lab: VIRL | EVE-NG | GNS3
Image requirements:
Cisco IOSv (vios-adventerprisek9-m.vmdk.SPA.156-2.T)
Introduction:
In the last lab, while troubleshooting the connectivity issues between L1 routers, it appears that there are additional issues in the IS-IS topology even though IP communications remain intact, it is vital to the company that everything has to be configured as designed.
Nodes Access:
Enable: cisco
Username: cisco
Password: cisco
Topology:
Reported Issues:
L1 only routers (A2, B2, D2, E2) in their IS-IS databases, missing IP information about L1/L2 border routers' loopback0 interfaces. These routers should not use a default route to access subnets in their own local areas.
Note: a solution that you are going to implement, should not affect how L1/L2 border routers share their link-state information with the core L2 area.
Example of the problem:
A2#show isis database detail A1.00-00IS-IS Level-1 LSP A1.00-00
LSPID LSP Seq Num LSP Checksum LSP Holdtime/Rcvd ATT/P/OL
A1.00-00 0x00000003 0xBFB3 983/1199 1/0/0
Area Address: 49.a000
NLPID: 0xCC
Hostname: A1
Metric: 10 IS A1.01
IP Address: 10.0.0.25
Metric: 10 IP 10.0.0.24 255.255.255.252
As the output shows, router A1 only includes in its L1 updates prefix of the link between nodes A1 and A2.
Validation:
The output from command "show isis database detail" on the L1 only routers (A2, B2, D2, E2) will contain prefixes of L1/L2 routers' loopback0 interfaces.
Mega 바카라사이트 Sic Bo is the primary recreation in Pragmatic Play's live providing that includes random "Mega Multipliers", thus guaranteeing large win possibilities and an enticing gameplay. Just like brick-and-mortar casinos in the united states, you have to be 21 years old to play online. State’s technically have the right to set it lower, however thus far 21 has been the usual.
ReplyDelete