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在低端路由器上實(shí)現(xiàn)雙機(jī)熱備份和EIGRP的路由調(diào)整


這是實(shí)際的一個(gè)案例:
1. HSRP的配置:
在LongQuan-Backup(1601)上:
int e0
ip address 22.97.80.253 255.255.255.0 secondary
ip address 21.97.80.253 255.255.255.0
no ip redirects
no logging event subif-link-status
standby priority 200
standby preempt
standby ip 21.97.80.1
standby ip 22.97.80.1 secondary
standby track Serial0 100/假如S0口的線路當(dāng)?shù)袅?,該E口的優(yōu)先權(quán)減小100,從而成為STANDBY狀態(tài)
在LongQuan(2501)上:
int e0
ip address 22.97.80.254 255.255.255.0 secondary
ip address 21.97.80.254 255.255.255.0
no ip redirects
no ip directed-broadcast
standby priority 150
standby preempt
standby ip 21.97.80.1
standby ip 22.97.80.1 secondary
2.LongQuan(2500)上路由的調(diào)整:
interface Serial1.16 point-to-point
description --- 256K LianTong FR ---
ip address 22.96.229.2 255.255.255.252
ip accounting output-packets
bandwidth 1000000/調(diào)高接口帶寬
frame-relay interface-dlci 16
router eigrp 1
redistribute connected
redistribute sta
network 21.0.0.0
network 22.0.0.0
distribute-list 22 out Ethernet0/過濾掉21的低METRIC值EIGRP路由
no auto-summary
!
Access-list 22 permit 22.0.0.0 0.255.255.255
說明:平時(shí)正常時(shí)候,1601是局域網(wǎng)內(nèi)兩個(gè)網(wǎng)段的ACTIVE網(wǎng)關(guān),局域網(wǎng)中目的地址為22網(wǎng)段的數(shù)據(jù)走聯(lián)通線路,21網(wǎng)段的走電信線路;當(dāng)1601的S口DOWN后,25成為主網(wǎng)關(guān),一切數(shù)據(jù)都走聯(lián)通線路
FW: 我認(rèn)為可以建立2 個(gè) hsrp組,讓source 21 走1600 ,讓source 22 走25,
在LongQuan-Backup(1601)上:
int e0
ip address 22.97.80.253 255.255.255.0 secondary
ip address 21.97.80.253 255.255.255.0
no ip redirects
no logging event subif-link-status
standby1 ip 21.97.80.1
standby 1 priority 110
standby1 preempt
standby 2 ip 22.97.80.1
standby 2 priority 109
standby 2 preempt
standby 11track Serial0
standby 2 1track Serial0
假如S0口的線路當(dāng)?shù)袅耍揈口的優(yōu)先權(quán)減小,從而成為STANDBY狀態(tài)
在LongQuan(2501)上:
int e0
ip address 22.97.80.254 255.255.255.0 secondary
ip address 21.97.80.254 255.255.255.0
no ip redirects
no ip directed-broadcast
standby priority 150
standby 1 ip 21.97.80.1
standby 1 priority 109
standby1 preempt
standby 2 ip 22.97.80.1
standby 2 priority 110
standby 2 preempt
standby 11track Serial0
standby 21track Serial0
我認(rèn)為不必再2500 上作路由matric 和 distribute-list 調(diào)整,以為對(duì)pc 來說,認(rèn)為只有一臺(tái)router, 數(shù)據(jù)包往那個(gè)router 發(fā),有hsrp protocol 控制。
FW:希望進(jìn)一步討論有什么其他方法達(dá)到設(shè)計(jì)要求 。
我的想法:
假如用3550 代替hub ,現(xiàn)在3550上實(shí)現(xiàn)3層交換,
1600 和 2500 分別接 fa 0/1 fa 0/2
3550 配置如下 :
interface FastEthernet0/1
description link 1600
interface FastEthernet0/2
description link 2500
int vlan 1
ip address 22.97.80.100 255.255.255.0 //3550 ip 地址
int vlan 21
ip address 21.97.80.100 // oa 網(wǎng)段網(wǎng)關(guān)
在3550 上實(shí)現(xiàn)policy-router 讓yewu 和 oa 數(shù)據(jù)分別走路徑,并實(shí)現(xiàn)2條路經(jīng);互為備份?
不知道想法可不可行?

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