EIGRP IPv4 Name mode

EIGRP name mode operates the same way as EIGRP classis mode. EIGRP name mode provides one place for all configurations.

Since IOS 15, EIGRP has some a new method of configuration comes called named mode EIGRP.

When we use the classic EIGRP version means before IOS 15 we configured EIGRP globally and few other things like authentication on interfaces but with named mode EIGRP we can do everything globally

In EIGRP name mode we can create a single instance of EIGRP.

Topology:

Task

configure the topology as pr the diagram
assign IP addresses to their interfaces as per our topology
configure EIGRP IPv4 name mode.

R1(config)#Interface fastethernet 0/0

R1(config-if)#Ip address 10.1.1.1 255.0.0.0

R1(config-if)#No shutdown

R1(config-if)#No keepalive

R1(config-if)#Exit

R1(config)#Interface serial 3/0

R1(config-if)#Ip address 1.1.1.1 255.0.0.0

R1(config-if)#No shutdown

R1(config-if)#Exit

R2(config)#Interface fastethernet 0/0

R2(config-if)#Ip address 20.1.1.1 255.0.0.0

R2(config-if)#No shutdown

R2(config-if)#No keepalive

R2(config-if)#Exit

R2(config)#Interface serial 3/0

R2(config-if)#Ip address 1.1.1.2 255.0.0.0

R2(config-if)#No shutdown

R2(config-if)#Exit

R1#show ip interface brief

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 10.1.1.1 YES manual up up

Serial3/0 1.1.1.1 YES manual up up

R2#show ip interface BRief

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 20.1.1.1 YES manual up up

Serial3/0 1.1.1.2 YES manual up up

R1(config)#router eigrp ccie

R1(config-router)#address-family ipv4 unicast autonomous-system 100

R1(config-router-af)#network 1.0.0.0

R1(config-router-af)#network 10.0.0.0

R1(config-router-af)#exit

*Dec 3 20:34:51.331: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 1.1.1.2 (Serial3/0) is up: new adjacency

R2(config)#router eigrp ccie

R2(config-router)#address-family ipv4 autonomous-system 100

R2(config-router-af)#network 1.0.0.0

R2(config-router-af)#network 20.0.0.0

R2(config-router-af)#exit

*Dec 3 20:34:51.323: %DUAL-5-NBRCHANGE: EIGRP-IPv4 100: Neighbor 1.1.1.1 (Serial3/0) is up: new adjacency

R1#show ip eigrp interfaces

EIGRP-IPv4 VR(ccie) Address-Family Interfaces for AS(100)

Xmit Queue PeerQ Mean Pacing Time Multicast Pending

Interface Peers Un/Reliable Un/Reliable SRTT Un/Reliable Flow Timer Routes

Se3/0 1 0/0 0/0 44 0/16 180 0

Fa0/0 0 0/0 0/0 0 0/0 0 0

R1#show ip eigrp neighbor

EIGRP-IPv4 VR(ccie) Address-Family Neighbors for AS(100)

H Address Interface Hold Uptime SRTT RTO Q Seq

(sec) (ms) Cnt Num

0 1.1.1.2 Se3/0 11 00:17:16 44 264 0 4

R1#show ip route eigrp

Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP

+ - replicated route, % - next hop override

Gateway of last resort is not set

D 20.0.0.0/8 [90/13607262] via 1.1.1.2, 00:17:28, Serial3/0

R1#show ip eigrp topology

EIGRP-IPv4 VR(ccie) Topology Table for AS(100)/ID(10.1.1.1)

Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,

r - reply Status, s - sia Status

P 10.0.0.0/8, 1 successors, FD is 13107200

via Connected, FastEthernet0/0

P 1.0.0.0/8, 1 successors, FD is 1735175958

via Connected, Serial3/0

P 20.0.0.0/8, 1 successors, FD is 1741729558

via 1.1.1.2 (1741729558/13107200), Serial3/0

R1#show ip protocol

*** IP Routing is NSF aware ***

Routing Protocol is "eigrp 100"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Default networks flagged in outgoing updates

Default networks accepted from incoming updates

EIGRP-IPv4 VR(ccie) Address-Family Protocol for AS(100)

Metric weight K1=1, K2=0, K3=1, K4=0, K5=0 K6=0

Metric rib-scale 128

Metric version 64bit

NSF-aware route hold timer is 240

Router-ID: 10.1.1.1

Topology : 0 (base)

Active Timer: 3 min

Distance: internal 90 external 170

Maximum path: 4

Maximum hopcount 100

Maximum metric variance 1

Total Prefix Count: 3

Total Redist Count: 0

Automatic Summarization: disabled

Maximum path: 4

Routing for Networks:

1.0.0.0

10.0.0.0

Routing Information Sources:

Gateway Distance Last Update

1.1.1.2 90 00:18:08

Distance: internal 90 external 170

R2#show ip eigrp interfaces

EIGRP-IPv4 VR(ccie) Address-Family Interfaces for AS(100)

Xmit Queue PeerQ Mean Pacing Time Multicast Pending

Interface Peers Un/Reliable Un/Reliable SRTT Un/Reliable Flow Timer Routes

Se3/0 1 0/0 0/0 39 0/16 192 0

Fa0/0 0 0/0 0/0 0 0/0 0 0

R2#show ip eigrp neighbor

EIGRP-IPv4 VR(ccie) Address-Family Neighbors for AS(100)

H Address Interface Hold Uptime SRTT RTO Q Seq

(sec) (ms) Cnt Num

0 1.1.1.1 Se3/0 14 00:19:05 39 234 0 3

R2#show ip route eigrp

Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP

+ - replicated route, % - next hop override

Gateway of last resort is not set

D 10.0.0.0/8 [90/13607262] via 1.1.1.1, 00:19:16, Serial3/0

R2#show ip protocol

*** IP Routing is NSF aware ***

Routing Protocol is "eigrp 100"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Default networks flagged in outgoing updates

Default networks accepted from incoming updates

EIGRP-IPv4 VR(ccie) Address-Family Protocol for AS(100)

Metric weight K1=1, K2=0, K3=1, K4=0, K5=0 K6=0

Metric rib-scale 128

Metric version 64bit

NSF-aware route hold timer is 240

Router-ID: 20.1.1.1

Topology : 0 (base)

Active Timer: 3 min

Distance: internal 90 external 170

Maximum path: 4

Maximum hopcount 100

Maximum metric variance 1

Total Prefix Count: 3

Total Redist Count: 0

Automatic Summarization: disabled

Maximum path: 4

Routing for Networks:

1.0.0.0

20.0.0.0

Routing Information Sources:

Gateway Distance Last Update

1.1.1.1 90 00:19:28

Distance: internal 90 external 170

R1#ping 20.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 20.1.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 28/29/32 ms

R2#ping 10.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 28/34/60 ms

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