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Chucmg 4: Till& ke mpg vet b0 can bang tai DO Van Math — A13439 Chang ta co the cAu hinh default gateway cho moi may chi' thac de fro den b0 can bang tai ma no ket not RA. Doi v692S1 va RS2, default gateway diroc thiet lap den dja chi IP1. Chung ta da not den luting bat doi ming, trong truang hop nay, neu b0 can bang tai 2 giri mot yeu cau tir dja chi VIP2 den RS1, gei tin tra Itri tir RS1 se den b0 can bang tai 1 ma khong quay tr6 ye b0 can bang tai 2. Do da chimg ta phii sir clang NAT nguon hok DSR. Cach lchac, chimg ta co the sir dung chung dja chi VIP giva hai b0 can bang tai de cho bat
ky b0 can bang tai nio cling co the xi' 1St cac gai tin tra Rd.
MOt trong nhang van de 16n nhit chimg to vira xu 13% trong cac thiet kt da duqc the hien trong hinh 4.8 va 4.9 la chimg ta se mat tat ca et may chi' ket not den mot 130 can bang tai neu b0 can bang tai gap phai sa co. Xung quanh van de nay 3 thiet ke hinh 4.10 se them mot b0 chuyen mach 16p 2 dirth cac b0 can bang tai de ket not tat el cac may chi' cling nhau. MOt 15, do quan tong trong viec sir dung cac b0 chuyen mach h5p 2 co the la mat dO deg va gia/cOng san co cua cac san pham can bang tai. Bo chuyen mach yen nhieu c8ng ham co the cung cap them nhieu cOng trong Wit yeu to hinh that nhe gun, giam thieu kh6ng gian. 10.1010 10 MAC-M0 151 111 10 1010 MAC - W1 RSZ 10101030 MAC - MB 153 1010.10 0 MAC -Ml RS4
Hinh 4.10: Tinh salt sang cao #3
Thiet ke duqc the hien trong hinh 4.10 giOng tnur mot thiAt ke_lchac da duqc trinh bay trong hinh 4.6. Nhung chung ta can phai gill quyet duqc tinh sari sang cao cho b0 djnh tuyen va b0 chuyen mach 16p 2.
Thiet ke duqc the hien trong hinh 4.11 cal thin tir thiet ke trong lath 4.10 bang cach cung cap kha nang chju sa c8 cho b0 chuyen mach 16p 2 Ida ket not von cac may chi'. Twat do, chting ta da co cac thiet ke cung cap kha nang chju sv co dei von cac b0 can bang tit, trong cac truang hop da chimg ta co* the se mat quyen truy cap tai cac may chit
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Chuang 4: Thiet Ice mang yeti bi) can bin tai Di; Van Thinh — A13439 nett b0 chuyen mach 16p 2 gap phai str ca. Trong thiet ke nay, cach tat nhit la Wan chia cac may chit thuc gifta hai dia chi VIP, va thiet lip dja chi default gateway cho mei may chit tuong img voi b0 can bang tai. Vi vay, chimg ta co the On dia chi VIP1 den RS1 va RS2, va dja chi VIP2 den RS3 va RS4. va thiet lop default gateway cho RS1 va RS2 den IP1, RS3 va RS4 den IP2. Dieu nay se tranh duqc su xuAt hien dm luting ltru Iugng bit doi ximg. Cach khac, chting ta co the rang buac mai dja chi VIP den tat ca cac may chi' dx, phan chia cac may chi' dux gift hai dia chi default gateway, va sir dung each chia se dja chi VIP tren cac b0 can bang tai. Cach lam nay se kh8ng co van de gi yen cac luring geoi tin tra loi, va cac b0 can bang tai se co the xir Iy chimg.