Download - บทที่ 5 EIGRP
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5Advanced Distance Vector Protocol
EIGRP ( Dual) EIGRP ( stub routing,
summarization)
EIGRP EIGRP
EIGRP Interior Gateway Routing Protocol (IGRP) EIGRP EIGRP EIGRP FutureTech R&D EIGRP
EIGRP
49147 CNM
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5Advanced Distance Vector Protocol
Enhanced Interior Gateway Routing Protocol (EIGRP) distance vector link staterouting protocols distance vector link stateprotocols
EIGRP
EIGRP EIGRP
EIGRP up-to-the-minute
www.sybex.com/go/CiscoProGuidetoInternetworking orwww.lammle.com.
EIGRP EIGRP
:
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Variable-length subnet masking (VLSM)
ProtocolDependant Modules (PDMs)
EIGRP:
- load balancing stub router WAN
EIGRP EIGRP EIGRP
EIGRP
EIGRP Interior Gateway Routing Protocol (IGRP),EIGRP
topolog EIGRP dynamic neighbor EIGRP distance vector EIGRP Diffused standard distance vector protocol DUAL EIGRP
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loop-free topology EIGRP
Fast Convergence EIGRP
EIGRP
VLSM EIGRP subnet mask subnet mask EIGRP discontiguous VLSM
Partial Updates RIP IGRP EIGRP partial triggered updates triggeredupdate partial updates EIGRP partial updates link stateprotocols link state routers link state routers
Multiple Network-Layer Protocol Support EIGRP IP, AppleTalk Internet Packet Exchange (IPX) Protocol Dependent Modules (PDMs) EIGRP
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5.1
5.1 FutureTech R&D EIGRP Routing
5.1 core layerrouter
EIGRP specificpoints
EIGRP (
called cost) EIGRP
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loop-free paths
Advertised Distance (AD) next hop
AD
Feasible Distance (FD)
Best Route FD loop-free path
Feasible Successor loop-free path feasible successor AD feasible successor FD successor route
5.2 distribution routers core routers 5.2
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5.2 EIGRP
FutureTech RnD
FastEthernet interface 28160 EIGRP EIGRP
RnD1 10.10.40.0/24 5.2 RnD4 RnD1 RnD4 Core1, Core2 RnD4 RnD4
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10.10.40.0/24?
RnD4 RnD1
AD FD Route Costs RnD4 Core2, Core1
RnD2 ()1.RnD4 10 RnD4
Core2 advertiseddistance (AD)
2. Core2 RnD4 10 FD 203.Core2 FD Core1 AD Core1 204.Core1 Core2
Core 2 10 Core1 FD 305.Core 1
FD 30 RnD1 RnD2 AD 30
6.RnD1 AD Core1 FD 40
7.RnD2 Core1 AD 8 FD 38
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8.RnD2 AD 38
9.RnD2 RnD2 R n D 2 FD 48
10. RnD1 10.10.40.0/24 FD FD
Feasible distance (FD)
RnD1
10.10.40.0/24 RnD1
Core1 FD
Core1feasible successor
RnD2 FD successor RnD2 feasible successor
successor : AD FD successor feasible successor
AD RnD2 38 FD successor 40 RnD2 qualifies feasible successor
Feasible successor
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successor feasible successor
EIGRP Core1 feasible successor EIGRP feasible successor feasible successor network loop
Feasible successor router loop-freeroute
Message Types EIGRP
EIGRP EIGRP
Hello Hello packets multicasts Hello Hello
Update Update
:Feasible Successors
Feasible successor AD FD successor route EIGRP
RnD2 AD FD
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unicast
Query
feasible success feasible successor multicasts retransmitted unicast RTP
Replay unicast
ACK acknowledgment (ACK) ACK unicast hello packets nonzero acknowledgmentnumber
Multicast Ethernet hello packets EIGRP single multicast hello packet hello acknowledged RTP multicast
EIGRP
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FutureTechsR&D
Atlanta Moves In Atlanta (RnD5) 5.3 RnD RnD2
5.3
1. (RnD5) hello interfaces EIGRP
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2. hello ( Rnd2)
RnD2 RnD5 hello bit
3. 2 RnD5 RnD2 ACK
4. RnD5 RnD2 core 1 RnD5 hello5. RnD5 R n D 2 RnD2 core 1
6. RnD2 core 1 ACK RnD5
Tables
EIGRP EIGRP OSPF, , ,
Neighbor Tableadjacent routers reachability RTP
Topology Table topology topology
Routing Table
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EIGRP
EIGRP() EIGRP Hello packet Hello packets adjacent neighbor neighbors Hello packet
Adjacency PDM
hello packet
hello packet
EIGRP reliable transport protocol (RTP)
, sequence numbers queued packets, round-trip timers
EIGRP out-of-order packet
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roundtrip timers
Topology
FutureTech ( EIGRP) topology Topology
EIGRP loops RnD5 RnD2 RnD5
topology : R n D 2
distance vector suboptimal
topology R n D 1 ( 5.2) RnD2 Core1 (AD) AD (RnD2 Core1) (FD) FD
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(AD)
topology
1. 2. 5.2 RnD2 RnD2 Core1 RnD2 Core1 RnD2 Core1 Core2 Core2 Core1 Core1 RnD1 RnD2
Topology:
recomputing recomputing
feasible successor feasible successor recomputation feasible successor loop-free path
Feasiblesuccessor recomputation; recomputation :
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topology loop free
Stuck-in-active (SIA) SIA ( 3 )
EIGRP 3 neighbor table,topology table routing table neighbor table EIGRP neighbor table EIGRP neighbor table topology DUAL algorithm costEIGRP delay bandwidth cost 2 FD(feasibledistance) AD (advertise distance) 2 topology table FD cost
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AD cost next hop neighbor
1
AD FD EIGRP topologytable EIGRP routing table
FD cost
EIGRP EIGRP RnD1, RnD2, RnD3, RnD4
Core1 Core2Autonomous System Numbers
Autonomous System Number (Share)
AS
Internet Assigned Numbers Authority (IANA) AS AS 1 - 65,535
64,512 65,53 IP Address
Stub Transit Autonomous System Autonomous 2 BGP Stub Stub AS AS
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IGP ( RIP, IGRP EIGRP) ( Router BGP Router BGP AS
Router BGP AS Transit AS Autonomous AS AS AS 30 AS 10 AS 50 Non-Transit AS AS AS AS AS
EIGRP RnD1 IP address EIGRP 5.4 EIGRP
Show ip interface brief RnD1RnD1#sh ip interface briefInterface IP-Address OK? Method Status Protocol
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FastEthernet0/0 10.0.0.6 YES manual up upFastEthernet0/1 10.1.0.1 YES manual up upSeria10/0/0 unassigned YES unset administratively down down
Seria10/1/0 unassigned YES unset administratively down downLoopback0 10.1.1.1 YES manual up up
EIGRP RnD1RnD1 (config)#router eigrp 65000RnD1 (config-router)#network 10.1.1.0RnD1 (config-router)#network 10.1.0.0RnD1 (config-router)#network 10.0.0.0 Network RnD1 running configurationRnD1#sh running-configBuilding configuration . . .Current configuration : 779 bytes!version 12.4
Enabling EIGRP 161service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname Router1[output cut]
router eigrp 65000network 10.0.0.0auto-summary
Interface Routing EIGRP interface
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RnD1 (config)#router eigrp 65000RnD1 (config-router)#network 10.0.0.4 0.0.0.3RnD1 (config-router)#network 10.1.0.0 0.0.0.3
RnD1 (config-router)#network 10.1.1.0 0.0.0.255RnD1 (config-router)#no auto-summary
IP-EIGRP(Default-IP-Routing-Table:65000): Neighbor 10.0.0.6 not oncommon subnetfor FastEthernet0/1IP-EIGRP(Default-IP-Routing-Table:65000): Neighbor 10.1.0.1 not oncommon subnetfor FastEthernet0/0 interface fa0/1,fa0/2 ip addressCore1(config)#interfacerangefa0/1 - 2
Core1(config-if-range)#no switchport
Core1(config)#interfacefa0/1
Core1(config-if)#ip address 10.0.0.5255.255.255.252
Core1(config-if)#no shut
Core1(config-if)#interfacefa0/2
Core1(config-if)#ip address 10.0.0.9255.255.255.252
Core1(config-if)#no shut
EIGRP Switch Core1 interface fa0/20 ip address EIGRP AS 65000 network
auto-summaryCore1(config-if)#interface fa0/20Core1(config-if)#no switchport
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Core1(config-if)#ip address 10.0.0.1 255.255.255.252Core1(config-if)#no shutCore1(config)#ip routing
Core1(config)#router eigrp 65000Core1(config-router)#network 10.0.0.0 255.255.255.252Core1(config-router)#network 10.0.0.4 255.255.255.252Core1(config-router)#network 10.0.0.8 255.255.255.252Core1(config-router)#no auto-summary vlan interface accessCore1(config)#int range fa0/3 - 4Core1(config-if-range)#switchportCore1(config-if-range)#switchport access vlan 3% Access VLAN does not exist. Creating vlan 3
Core2 interface fa0/20 fa0/3-4Core2(config)#interface range fa0/3 - 4
Core2(config-if-range)#no switchportCore2(config)#interface fa0/3Core2(config-if)#ip address 10.0.0.13 255.255.255.252Core2(config-if)#no shutCore2(config-if)#int fa0/4Core2(config-if)#ip add 10.0.0.17 255.255.255.252Core2(config-if)#no shutCore2(config-if)#interface fa0/20Core2(config-if)#no switchportCore2(config-if)#ip address 10.0.0.2 255.255.255.252Core2(config-if)#no shut EIGRP AS 65000 auto-summaryCore2(config)#router eigrp 65000
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Core2(config-router)#network 10.0.0.0 0.0.0.3Core2(config-router)#network 10.0.0.12 0.0.0.3Core2(config-router)#network 10.0.0.16 255.255.255.252
Core1(config-router)#no auto-summary interface fa0/1,fa0/2 vlan 2Core2(config)#interface range fa0/1 - 2Core2(config-if-range)#switchport access vlan 2% Access VLAN does not exist. Creating vlan 2
3 RnD2, RnD3, RnD4RnD2(config)#interface fa0/0RnD2(config-if)#ip address 10.0.0.10 255.255.255.252RnD2(config-if)#no shutRnD2(config)#interface fa0/1RnD2(config-if)#ip address 10.1.0.2 255.255.255.252RnD2(config-if)#no shutRnD2(config-if)#interface lo0RnD2(config-if)#ip address 10.1.2.1 255.255.255.0RnD2(config-if)#no shut
RnD2(config-router)#no autoRnD2(config-router)#network 10.0.0.8 0.0.0.3RnD2(config-router)#network 10.1.0.0 0.0.0.3RnD2(config-router)#network 10.1.2.0 0.0.0.255RnD2(config-router)#no auto-summaryRnD3(config)#interface fa0/1RnD3(config-if)#ip address 10.0.0.14 255.255.255.252RnD3(config-if)#no shutRnD3(config-if)#interface fa0/0Enabling EIGRP 165RnD3(config-if)#ip address 10.2.0.1 255.255.255.252RnD3(config-if)#no shutRnD3(config-if)#interface l00
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RnD3(config-if)#ip address 10.2.1.1 255.255.255.0RnD3(config-if)#no shutRnD3(config)#router eigrp 65000
RnD3(config-router)#network 10.0.0.12 0.0.0.3RnD3(config-router)#network 10.2.0.0 0.0.0.3RnD3(config-router)#network 10.2.1.0 0.0.0.255RnD3(config-router)#no auto-summaryRnD4(config)#interface fa0/1RnD4(config-if)#ip address 10.0.0.18 255.255.255.252RnD4(config-if)#no shutRnD4(config-if)#interface fa0/0RnD4(config-if)#ip address 10.2.0.2 255.255.255.252RnD4(config-if)#no shutRnD4(config-if)#interface l00RnD4(config-if)#ip address 10.2.2.1 255.255.255.0RnD4(config-if)#no shutRnD4(config)#router eigrp 65000RnD4(config-router)#network 10.2.0.0 0.0.0.3
RnD4(config-router)#network 10.0.0.18 0.0.0.3RnD4(config-router)#network 10.2.2.0 0.0.0.255RnD4(config-router)#no auto-summary RnD4 11 network 10.0.0.12/30 RnD4 2 metric RnD4 cost RnD4#sh ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGPD - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter areaN1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2ia - IS-IS inter area, * - candidate default, U - per-user static route
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o - ODR, P - periodic downloaded static routeGateway of last resort is not set10.0.0.0/8 is variably subnetted, 11 subnets, 2 masks
D 10.0.0.8/30 [90/33280] via 10.0.0.17, 00:00:38, FastEthernet0/1D 10.0.0.12/30 [90/30720] via 10.2.0.1, 00:00:38, FastEthernet0/0166 Chapter 5 n Advanced Distance Vector Protocols[90/30720] via 10.0.0.17, 00:00:38, FastEthernet0/1C 10.2.0.0/30 is directly connected, FastEthernet0/0D 10.2.1.0/24 [90/156160] via 10.2.0.1, 00:00:38, FastEthernet0/0D 10.1.2.0/24 [90/161280] via 10.0.0.17, 00:00:38, FastEthernet0/1C 10.2.2.0/24 is directly connected, Loopback0D 10.1.1.0/24 [90/161280] via 10.0.0.17, 00:00:39, FastEthernet0/1D 10.0.0.0/30 [90/30720] via 10.0.0.17, 00:00:39, FastEthernet0/1D 10.1.0.0/30 [90/35840] via 10.0.0.17, 00:00:39, FastEthernet0/1D 10.0.0.4/30 [90/33280] via 10.0.0.17, 00:00:39, FastEthernet0/1C 10.0.0.16/30 is directly connected, FastEthernet0/1
EIGRPEIGRP
EIGRP
metric
route summarization
stub router EIGRP
CPU
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bandwidth
Metric EIGRP Cost ( Composit Metric) EIGRP
Cost IGRP 256 Cost Metric EIGRP
2 Bandwidth
Deley delay
3 ReliabilityLoad Maximum transmission unit (MTU) MTU
Metric EIGRPEIGRP Cost 5
K K 5
K1=K3=1 K2=K4=K5=0 K1 Bandwidth(BW), K2 Load,K3 Delay , K4 Reliability K5 MTU K5=0
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Metric = K1 * Bandwidth + [(K2 * Bandwidth) / (256-load)] + K3 *Delay K2=0 K1=K3=1
Metric = 1*Bandwidth + [(0 * Bandwidth) / (256-load)] + 1 * DelayMetric = bandwidth + delay K5 0 Metric = metric * [K5 / (reliability + K4)]
K EIGRP Hello-packet K
K
( K1 K3
) K
EIGRP
EIGRP
256
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EIGRP
107 256
Default Routing
EIGRP
EIGRP EIGRP EIGRP
EIGRP
EIGRP
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5.5 RnDEdge 192.168.10.0/24 RnDEdge 192.1 192.168.10.0
5.5 Default-Network Command
RnD2 RnDEdge EIGRP RnDEdge RnDEdge RnD2, EIGRP 192.168.10.0;- RnD2 RnDEdge 192.168.10.0
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, ()
IOS
, EIGRP Interior Gateway Routing Protocol (IGRP) routing information protocol (RIP) 0.0.0.0.0.0.0.0 , EIGRP 0.0.0.0.0.0.0.0 , 0.0.0.0 EIGRP, 0.0.0.0. 0.0.0.0
( 0.0.0.0 0.0.0.0 )
Summary Routes
EIGRP, , subnet mask
classful mask classful classful
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EIGRP EIGRP:
subnet subnet
(Subnet) Subnet Subnet
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subnet mask mask 2n n subnet mask
subnet mask 3 subnet mask 8 subnet (23 = 8)
172.16.0.0 /24 subnet subnet 172.16.16.0/24 172.16.23.0/24 mask 172.16.16.0/21, /24 /21 3 ; 23 = 8 subnet
Mask , ip address
mask
subnet mask
IOS EIGRP
Automatic Summarization
EIGRP EIGRP
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classful
subnet no auto-summ EIGRP
: EIGRP
Summary Route ip summary-address eigrp interface
5.1 ip summary-addresseigrp
5.1 ip summary-address eigrp
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As-number EIGRP (AS) Address ip address ;
Class A, B CMask ip mask Admin-distance ();
0 255
Query
Query
IOS nu110
IOS nu110
172.16.16.0/21 subnet nu110 (null)
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( ) query query ()
STUB Routers 2 2 hub spoke network
query hub spoke, hub router spoke router
spoke router
hub router spoke router
hub router spoke router stub router EIGRP stub router EIGRP
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, , stub router
Stub EIGRP
IOS 12.0(7)T spoke router stub router stub router peer stub router stub router stub router hub router stub router query stubrouter stub router stub router query stuck-in-active(SIA) stub router EIGRP hub
spoke stub , hub router
: stub router EIGRP stub stub router
stub hub router EIGRP ;
EIGRP stup eigrp stub
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5.2 eigrp stub
5.2 stub router
Receive-only
receive-only EIGRP autonomoussystem(AS), - (connected, static, and summary) receive-only
Connected
connected stub EIGRP , connected
EIGRP stub
Static static stub EIGRP
Summary
summary stub EIGRP
ipsummary-address auto-summary
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receive-only , exceptreceive-only
stub EIGRP hubrouter , hub router
stub hub router spoke router spoke router
: EIGRP , classful, hub router ,
ip classless , ip classless IOS stub EIGRP
stub EIGRP query spoke router
EIGRP stub EIGRP stub, hub router query
spoke router WAN hub router
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spoke router, query ( SIA),
Load Balance
Cost Load Balance
IP IOS maximum-path router
( maximum-path 1 load)
: IOS 6 IOS
16 4 maximum-path.
load balancing
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load balancing load balancin
ping interface
Unequal-Cost Load Balancing
EIGRP Unequal-Cost Load Balancing EIGRP load balancing variance 1 Unequal-CostLoad balancing
1 128 load balancing variance 1 Equal-Cost Load Balancing variance
EIGRP 3 FD 5000 variance 3 topology 15000 FD 5001 14999 unequal-cost load balancing AD FD
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Unequal-cost load balancing
5.6 1
FutureTech R&D unequal-cost load balancing unequal-cost load balancing (wan) RnDA RnDC A RnDA A RnDA 5.3 topology A
5.6 Unequal-cost load balancing
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5.3 topology A
Advertised A 35 15 RnDB A 20 10 RnDD A 35 25 RnDE
RnDD FD variance 2 RnDA unequal-cost variance 2 FD
40 FD
FD 40 FD
? ! Unequal-cost load balancing
? ! RnDB RnDB RnDB advertised AD FD 15 20 RnDA RnDD RnDB
EIGRP WANs
EIGRP wannon-broadcast multi-access (NBMA) EIGRP
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wan OSPF topology
wan Wan EIGRP
wan EIGRP wan wan wan
EIGRP 50 interface subinterface EIGRP
bandwidth (T1 )
perinterface ipbandwidth-percent eigrp as-number percent interface as-number AS percent EIGRP 100 artificially low routing-policy
Cisco IOS point-to-point subinterfaces ( interface serial ) T1
implementations T1 ( 1.544 Mbps) 56 64 Kbps subinterface bandwidth
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(CIR) permanent virtual (PVC) point-to-point subinterface
Interface multipoint frame relay( ATM primary-rate ISDN PRI) EIGRP bandwidth physicalinterface frame relay physical interface EIGRP
Interface multipoint CIR CIR topologyInterface point to po CIR Multipoint
Connecting to Remote Sites
Wan FutureTech 5 sites site point-to-multipoint frame relay site site ()
Site CIR 1000 Kbps 4 sites CIR sites 200 Kbps site 5 CIR 100Kbps 5.7 site
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EIGRP interface site site 200 Kbps EIGRP
50 site 100 Kbps site CIR 1 site 100 Kbp
5.7 Point-to-Multipoint WAN Routing
Site CIR point-to-point site multipoint site site site site site CIR site
EIGRP interface 100 Kbps * 5 = 500 Kbps
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site point-to-point
topology
Point-to-Point ConnectionsSite CIR 250 Kbps ISP 5 site CIR 100 Kbps 5.8
5.8 Point-to-Point WAN Routing
CIR interface site 100 Kbps site
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site 50 Kbps
EIGRP 50
25 Kbps EIGRP ip bandwidth-percent eigrp as-numberpercent interface EIGRP point-to-point topology interface subinterface EIGRP 200 packet EIGRP frame relay network packet EIGRP 50Kbps provisioned 100 Kbps 50-50
EIGRP ()
Show ip eigrp neighbors EIGRP IP show ip eigrpneighbors RnD1
RnD1#show ip eigrp neighborsIP-EIGRP neighbors for process 65000H Address Interface Hold Uptime SRTT RTO Q Seqsec) (ms) Cnt Num1 10.1.0.2 Fa0/1 10 1d00h 1 200 0 320 10.0.0.5 Fa0/0 13 1d00h 49 294 0 69
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5.4 show ip eigrp neighborsColu
mn
Description
H(handle)
Cisco IOS
Address
Network layer
Interface
HoldTime
packet Hello packet Cisco IOS packetEIGRP hello
Uptime
Router local
Smoothedround-triptime(SRTT)
packetEIGRP retransmissiontimeout (RTO)
RTO packet retransmitting retransmission
Queuecount
0 0 packet EIGRP
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SeqNum
show ip eigrp topology EIGRP show ip eigrptopology Router1 ID 10.0.0.6 ID EIGRP interface 65000
RnD1#show ip eigrp topologyIP-EIGRP Topology Table for AS(65000)/ID(10.0.0.6)Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,r - reply Status, s - sia StatusP 10.0.0.8/30, 2 successors, FD is 30720via 10.0.0.5 (30720/28160), FastEthernet0/0via 10.1.0.2 (30720/28160), FastEthernet0/1P 10.0.0.12/30, 1 successors, FD is 33280via 10.0.0.5 (33280/30720), FastEthernet0/0P 10.2.0.0/30, 1 successors, FD is 35840
via 10.0.0.5 (35840/33280), FastEthernet0/0P 10.2.1.0/24, 1 successors, FD is 161280via 10.0.0.5 (161280/158720), FastEthernet0/0P 10.1.2.0/24, 1 successors, FD is 156160via 10.1.0.2 (156160/128256), FastEthernet0/1P 10.2.2.0/24, 1 successors, FD is 161280via 10.0.0.5 (161280/158720), FastEthernet0/0P 10.0.0.0/30, 1 successors, FD is 30720via 10.0.0.5 (30720/28160), FastEthernet0/0P 10.1.1.0/24, 1 successors, FD is 128256via Connected, Loopback0P 10.1.0.0/30, 1 successors, FD is 28160Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
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E1 - OSPF external type 1, E2 - OSPF external type 2i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static routeGateway of last resort is not set10.0.0.0/8 is variably subnetted, 11 subnets, 2 masksD 10.0.0.8/30 [90/30720] via 10.1.0.2, 1d00h, FastEthernet0/1[90/30720] via 10.0.0.5, 1d00h, FastEthernet0/0D 10.0.0.12/30 [90/33280] via 10.0.0.5, 23:26:13, FastEthernet0/0D 10.2.0.0/30 [90/35840] via 10.0.0.5, 23:24:07, FastEthernet0/0D 10.2.1.0/24 [90/161280] via 10.0.0.5, 23:23:06, FastEthernet0/0D 10.1.2.0/24 [90/156160] via 10.1.0.2, 1d00h, FastEthernet0/1D 10.2.2.0/24 [90/161280] via 10.0.0.5, 23:19:17, FastEthernet0/0C 10.1.1.0/24 is directly connected, Loopback0D 10.0.0.0/30 [90/30720] via 10.0.0.5, 1d00h, FastEthernet0/0C 10.1.0.0/30 is directly connected, FastEthernet0/1C 10.0.0.4/30 is directly connected, FastEthernet0/0D 10.0.0.16/30 [90/33280] via 10.0.0.5, 23:21:53, FastEthernet0/0
EIGRP internal external summary EIGRP D EIGRPexternal () D EX [90/30720] 90 EIGRP least-costbandwidth plus EIGRP (FD) topologyEIGRP RIP RIP 10.0.0.12 3 hop
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3 hop RIP EIGRP 33280 router Hops EIGRP hop
Cisco
EIGRP 90 RIP 120 EIGRP RIP hop EIGRP
10.1.0.2 next hop router 10.0.0.8/30 nexthop topology EIGRP EIGRP adjacencies output 1d00h 1 0 23:26:13 23 26 13
output interface FastEternet0/1 10.0.0.8/30 nu110
advertised Cisco ISO summaryroutes Nu110 interface interface nu110
5.4 subnet summarized range Packet interface nu110( bit bucket loop
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Xmit Queue Mean Pacing Time Multicast PendingInterface Peers Un/Reliable SRTT Un/Reliable Flow Timer RoutesFa0/0 1 0/0 49 0/1 248 0
Fa0/1 1 0/0 1 0/1 50 0L00 0 0/0 0 0/1 0 0
5.6 outputColumn DescriptionInterface Interface EIGRPPeers EIGRP Xmit Queue Un/Reliable
Mean SRTT
SRTTPacing Time Un/Reliable Pacing time Packet
EIGRP interface()
Multicast Flow Timer
multicast EIGRP packetPending Routes
show ip eigrp trafficshow ip eigrptraffic
Router1#show ip eigrp trafficIP-EIGRP Traffic Statistics for AS 65000Hellos sent/received: 81853/65407Updates sent/received: 30/31Queries sent/received: 2/6
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Replies sent/received: 6/2Acks sent/received: 33/30Input queue high water mark 2, 0 drops
SIA-Queries sent/received: 0/0SIA-Replies sent/received: 0/0Hello Process ID: 164PDM Process ID: 162
EIGRP Cisco EIGRP EIGRP EIGRP
EIGRP
EIGRP EIGRP summarization stub routers unequal-cost load balancing variance Wan
EIGRP
AS ISP 6 BGP