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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