Patrick Denis > 2015 > March
Monthly Archive: March 2015
admin
March 31, 2015
Configure the Bri interfaces on each routers R1(config)#interface bri 0 R1(config-if)#no ip address R1(config-if)#isdn switch-type basic-ni R1(config-if)#isdn spid1 100000001000100 R1(config-if)#isdn spid2 100000001100100 R1(config-if)#dialer pool-authorise-user 1 R1(config-if)#encapsulation “ppp” or R1(config-if)#ppp authentication chap R2(config)#interface bri 0 R2(config-if)#no ip address R2(config-if)#isdn switch-type basic-ni R2(config-if)#isdn…
Read more
admin
March 27, 2015
Create a tunnel on both routers (config)#ipv6 unicast-routing ( enable ipv6 routing ) (config)#interface tunnel 0 (config-if)#ipv address ( ipv6 address ) (config-if)#tunnel source ( the source IPv4 address of the local interface ) (config-if)#tunnel destination ( destination IPv4 address of the interface that is…
Read more
admin
March 27, 2015
Understanding PIM PIM is called protocol-independent: regardless of the unicast routing protocols used to populate the unicast routing table, PIM uses this information to perform multicast forwarding instead of maintaining a separate multicast routing table. PIM is defined in RFC…
Read more
admin
March 27, 2015
N WLLA OMNI N = next hop reachability W = weight, bigger is better L = local preference, bigger is better L = locally injected preferred over BGP learned A = AS path length, shorter is better O =…
Read more
admin
March 26, 2015
Reminder OSPF is a Link State routing protocol that calls for the sending of link-state advertisements (LSAs) to all other routers within the same hierarchical area. Information on attached interfaces, metrics used, and other variables is included in OSPF LSAs….
Read more
admin
March 26, 2015
GNS3 Lab click here Route Redistribution Basic When you redistribute one protocol into another, remember that the metrics of each protocol play an important role in redistribution. Each protocol uses different metrics. For example, the Routing Information Protocol (RIP) metric…
Read more
admin
March 26, 2015
When a Packet arrive on the interface of a router the router take several logical decisions base on the data plane to process the packet. The packet arrive encapsulated inside the data link frame , so the router check the…
Read more
admin
March 26, 2015
1. Enable IS-IS 2. Configure the NET Address 3. Configure IS-IS on the interfaces and Loopback 4. Select which circuit type 5. Verify your configuration . Example Configuration : (config)#router isis (config-router)#net ( Address ) (config)#interface ( interfaces ) (config-if)#ip router…
Read more
admin
March 26, 2015
Nat allows a single device to act as an Internet gateway for internal LAN clients by translating the clients’ internal network IP Addresses into the IP Address on the NAT-enabled gateway device.In other words, NAT runs on the device that’s connected…
Read more
admin
March 25, 2015
Command Purpose Step 1 Router(config)# aaa new-model Enables AAA globally. Step 2 Router(config)# aaa authentication login {default |list-name} method1 [method2…] Creates a local authentication list. Step 3 Router(config)# line [aux | console | tty | vty]line-number [ending-line-number] Enters line configuration mode for the lines…
Read more