×××Ö·× × ××ך ×××¢×× ×Öž× ××××× ××¢×š× ×¢× ×× EIGRP ׀֌ך×Öž××֞ק×Öž×, ×××֞ס, ׊×××Ö·××¢× ××× ××¢×š× ×¢× OSPF, ××× ×× ××¢×š×¡× ××××××ק ××¢××¢ ×€×× ââ×× CCNA ק×ךס.
××ך ×××¢×× ×Š×ך×קק×××¢× ×Š× ×Öž×€ÖŒ×××××× × 2.5 ש׀֌ע×עך, ×Öž×עך ××׊×, ××××× × ×Öž× ×Öž×€ÖŒ×××××× × 2.4, ××ך ×××¢×× ×××× ×Š× ×Öž×€ÖŒ×××××× × 2.6, "ק×Ö·× ×€×××עך×× ×, ××עך×Ö·×€×××× × ××× ×ך×Öž×××עש×Öž×Öž××× × EIGRP ×××עך IPv4 (עקסק××××× × ×Öž××¢× ××ַק××ש×Ö·×, ×€Ö¿×××ך×ך×× ×, ××Ö·× ××Ö·× ×¡×Ö·×עך××××ש×Ö·×, ך×××ס×ך×Ö·×××ש×Ö·× ××× ×©×××€ÖŒ× ×§×Öž× ×€×××ך×Ö·×××Öž×)."
×××Ö·× × ××ך ×××¢×× ××Öž×× ×Ö· ×× ×ך×Ö·××ַק××¢×š× ×עק׊××¢ ××× ×××֞ס ××× ×××¢× ××Ö·×§×¢× ×¢× ××ך ××¢× ××Ö·×ך××£ ×€×× ×× ×¢× ××Ö·× ×¡× ××× ×¢×š××¢×עך ××Ö·××¢××××Ö· ך×××× × ×€ÖŒ×š×Öž××֞ק×Öž× EIGRP, ××× ××× ×× ××××Ö·×עך ׊×××× ×עק׊×עס ××ך ×××¢×× ×§××§× ××× ×§×Ö·× ×€×××עך ××× ×ך×Öž×××עש×Öž×Öž××× × ×× ×€ÖŒ×š×Öž××֞ק×Öž× ×¡ ך×Öž×××Ö·×¥. ××עך ק××× ×××× ××× ×××× ×××× ×× ×€××××¢× ××¢.
××× ×× ×ע׊××¢ ×××¡× ×עק׊×עס ××ך ××Öž×× ××¢××¢×š× × ×××¢×× OSPF. ×××Š× ××× ××××× ××ך ×Š× ××¢××¢× ×§×¢× ×Ö·× ×××¢× ××ך ×עק××§× ××××£ RIP ×€×××¢ ××ש×× ×Š×ך×ק, ××ך ×עךע×× ×××¢×× ×š×××× × ××׀֌ס ××× ××¢×§× ×Ö·××Ö·××ש×× ×××֞ס ×€×ַך×××Ö·×× ×€×ַךקעך ×€×× ×××€ÖŒ×× ×. ××× ×§×¢× ×¢× ××ך ×€×ַך×××Ö·×× ×š×××× × ××׀֌ס ×××¢× ××ך × ××Š× OSPF? ××× ×¢×¡ ××¢×××¢× ×Š× × ××Š× ××¢×××Öž×ס ×Ö·××Ö· ××× Route Poison ×Öž×עך Split Horizon ×€Ö¿×ַך ××¢×? ××֞ס ××¢× ×¢× ×€Ö¿×š××× ×××֞ס ××ך ×××× ×¢× ××€Ö¿×¢×š× ×€Ö¿×ַך ×××. ××ך ×§×¢× × × ××Š× ×× ×עךע ××××Ö·××ק ךעס×ךס×, ×Öž×עך ××¢×€Ö¿×× ×¢× ×¢× ×׀ֿעךס ×Š× ×× ×€Ö¿×š×××. ××× ××××× ××ך ×Š× ××¢×š× ×¢× ××× ×Š× ××¢×€Ö¿×× ×¢× ×× ×¢× ×׀ֿעךס ××× ×××š× ×ך××¢×× ××× ×€×ַךש×××¢× ×¢ ק×××××, ××× ××× ×××××§× ××ך ×Š× ××Öž×× ×××× ××Ö·×עךק×× ××¢× ××× ×עך ××¢× ×××××¢× ×Ö·××× ××× ×§×¢× ×¢× ××¢× ××× ×€×××¢ ×€×× ââ×××× ×¡××××¢× ×× ××Öž×× ××ך××עק×Öž×× ××¢× ×ַך××¢×.
×××֞ס ××× EIGRP? עס ××× ×Ö· ××××ך×× ×š×××× × ×€ÖŒ×š×Öž××֞ק×Öž× ×××֞ס ק×Ö·××××× × ×× × ×׊×ק ×€Ö¿×¢×֎ק×××× ×€×× ×××××¢ ×Ö· ××ס××Ö·× ×¡×¢ ××עק××֞ך ׀֌ך×Öž××֞ק×Öž× ×Ö·××Ö· ××× RIP ××× ×Ö· ××× ×§-ש××Ö·× ×€ÖŒ×š×Öž××֞ק×Öž× ×Ö·××Ö· ××× OSPF.
EIGRP ××× ×Ö· ס×סק×Öž ׀֌ך×ַ׀֌ך×××Ö·××¢×š× ×€ÖŒ×š×Öž××֞ק×Öž× ×××֞ס ××× ××¢×××¢× ×× ×××Š× ×Š× ××¢× ×Š×××ך ××× 2013. ×€Ö¿×× ×× ××× ×§-ש××Ö·× ×ך×ַק×× × ×€ÖŒ×š×Öž××֞ק×Öž×, עך ×× ××¢× ×××¢× ×Ö· ק×××ַך××Ö·× ×€×ַך××××× ×Ö·××עך×××Ö·×, × ×× ×¢× ××¢× RIP, ×××֞ס ××× × ××©× ××Ö·×× ×©×× ××. ך××€ÖŒ ×××× ×קס×ש××× ××ש×× ×š×××× × ×××©× ××× ×× ×עךע ×€ÖŒ×ַך××ס×Ö·×€ÖŒ×Ö·× ×¥ ××× ××¢× ×€ÖŒ×š×Öž××֞ק×Öž×, ×Öž×עך OSPF ×€×ך××¢× ×Ö·× ×Ö·×××ש×Ö·× ×¡×ס ××××עך ס××ַך××× × ××¢× ××עקס×. EIGRP ×ַך××¢× ×× ××¢×××¢ ×××¢×.
×× RIP ׀֌ך×Öž××֞ק×Öž× ×עך×××Ö·× ×××§× ×€ÖŒ×ך××Ö·××ק×× ×× ×€×× ×š×××× × ××ש ××¢×עך 30 סעק×× ×עס ××× ××ס×ך×××××¥ ××× ×€Ö¿×֞ך××ַ׊××¢ ×××¢×× ×Ö·××¢ ×× ×עך׀××ס×× ××× ×Ö·××¢ ך××¥ ×Š× ×Ö·××¢ ×××Ö·× ×©×× ××. EIGRP ××× × ××©× ××ך××€××š× ×€ÖŒ×¢×š××Öž××ש ×€×× ×עך×××Ö·× ××ק×× ××¢× ×€×× ××× ×€Ö¿×֞ך××ַ׊××¢, ×Ö·× ×©××Öž× × ××Š× ×× ××Ö·×ך××£ ×€×× ×ך×Öž×ק×ַס××× × ××¢×× ×ַך××ק××¢× ××× ×× ××¢×××¢ ×××¢× ××× OSPF. ××¢×עך ×××¡× ×¡×¢×§×× ×עס עס ×¡×¢× ×× ×Ö· ××¢×× ×Š× ××Ö·×× ×××עך ×Ö·× ×עך ××ך ××× × ×Öž× "××¢××¢××ק".
× ×× ×¢× ××¢× ××ס××Ö·× ×¡×¢ ××עק××֞ך ׀֌ך×Öž××֞ק×Öž×, ×××֞ס ××××Ö·××Ö·× × ×× ××× ×Š×¢ × ×¢×¥ ××Ö·×€ÖŒ×Ö·××Ö·×××©× ××××עך ××ך ××ַש×××¡× ×Š× ×€×Öž×š×¢× ×Ö· ××ַךשך××, EIGRP, ××× RIP, קך××××¥ ך××¥ ×××××š× ××××£ ך×××֞ךס. ×××¢× ××× ××× ×©×××¢×ת, ×××× ××× ×× ×××¢× × ×©×× ××¢×××¢× ×¢×€×¢×¡, ××× ××××ך׀ ×ס××× ×עך××× ×× ×§××× ×€×š×××¢. ×€Ö¿×ַך ×××ַש׀֌××, ×××× ×Ö· ××ך ×××× ×Ö·× ×¢×š ×××××¡× ××× ×Š× ×עך×ך×××× 10.1.1.2, EIGRP ×××××× ××× ×Öž× ×ַסק×× ×, "××× ××Öž× ××ך ××××¡× ×Ö·×? ××× ××ך ×××¢×× ×× ××Öž×€ÖŒ×Öž××Öž×× ×€×× ×× ××× ×Š×¢ × ×¢×¥!
××××עך 2013, ×××× ××ך × ××Š× ××××× ×¡×סק×Öž ×× ×€×š×ַס×ך×ַק×שעך, ××ך ×§×¢× × ××Š× EIGRP, ××× × ××¢× ×€ÖŒ×š×Öž××֞ק×Öž× ××× ××ש××€× ×Š×ך×ק ××× 1994. ×Öž×עך, ×€×××¢ ק×Öž××€ÖŒ×Ö·× ×עס, ××€××× × ××Š× ×¡×סק×Öž ××סך×××, ××Öž×× × ××©× ×××¢×× ×Š× ×ַך××¢×× ××× ××¢× ×š×ס. ××× ×××× ×××× ×× ×, EIGRP ××× ×עך ×עס×עך ××× ×Ö·××ש ך×××× × ×€ÖŒ×š×Öž××֞ק×Öž× ×××Ö·× × ××××Ö·× ×¢×¡ ××× ×€×× ×ך×× ×עך ×Š× × ×׊×, ×Öž×עך ××¢× ××©× × ×Öž× ×עסעך ×××¢×× OSPF. ××× ×ך×Ö·××× ××֞ס ××× ×š×¢×× ×Š× ××¢× ×€×Ö·×§× ×Ö·× ××× ××Öž× × ××©× ×××¢×× ×Š× ×××× ×××× ×Š× ×¡×סק×Öž ׀֌ך×Öž××ק××. ×Öž×עך ס×סק×Öž ××¢×××× ××¢× ×€ÖŒ×š×Öž××֞ק×Öž× ×¢×€× ×××¢× ×× ×××Š× ××××Ö·× ×¢×¡ ש×××Š× ×ך××-×€ÖŒ×ַך××× × ×¢××××֞ךק×× × ××סך××× ××× ××ש×× ×׀֌עך, ××× ×××× ××ך ××Ö·× ×©×Ö·×€Ö¿× ××× ××× ×Ö· ×€×ך××¢ ×××֞ס ××× × ××©× × ××Š× ×¡×סק×Öž ××סך×××, ××ך ×××¢× × ××©× ××Öž×× ×§××× ×€×š××××¢××¢×.
××Öž××ך × ×¢××¢× ×Ö· ק×ךץ ש׀֌×ַ׊×ך ××× ×עך ×עש××××¢ ×€×× ââ× ×¢×¥ ׀֌ך×Öž××֞ק×Öž×ס.
×עך RIPv1 ׀֌ך×Öž××֞ק×Öž×, ×××֞ס ××× ×ך××ס ××× ×× 1980 ס, ××× ×Ö· × ××עך ×€×× ×××××××ש×Ö·× ×, ××ש×, ×Ö· ××ַקס×××× × ××עך ×€×× ××֞׀֌ס ×€×× 16, ××× ×עך××עך ×§×¢× × ××©× ×Š×ש××¢×× ×š×××× × ×××עך ×ך××ס × ×¢××××֞ךקס. × ×××¡× ×©×€ÖŒ×¢×עך, ××× ××¢×××¢××Öž×€ÖŒ×¢× ×× ×× ×¢×š××¢× ×××××××× ×š×××× × ×€ÖŒ×š×Öž××֞ק×Öž× IGRP, ×××֞ס ××× ××¢×××¢× ×€×× ×עסעך ××× RIP. ×Öž×עך, עס ××× ××¢×××¢× ×עך ×Ö· ××ס××Ö·× ×¡×¢ ××עק××֞ך ׀֌ך×Öž××֞ק×Öž× ××× ×Ö· ××× ×§ ש××Ö·× ×€ÖŒ×š×Öž××֞ק×Öž×. ××× ×× ×©×€ÖŒ×¢× 80 ס, ×Ö·× ×Öž×€Ö¿× × ×֞ך××Ö·× ××עך××ש×, ×× OSPFv2 ××× ×§ ש××Ö·× ×€ÖŒ×š×Öž××֞ק×Öž× ×€Ö¿×ַך IPv4.
××× ×× ×€×š× 90 ס, ס×סק×Öž ××ַש××Öž×¡× ×Ö·× IGRP ××ךף ×Š× ×××× ××׀֌ך×××× ××× ××׀ך××× ×× ×¢× ××Ö·× ×¡× ××× ×¢×š××¢×עך ××Ö·××¢××××Ö· ך×××× × ×€ÖŒ×š×Öž××֞ק×Öž× EIGRP. עס ××× ××¢×××¢× ×€×× ×עך ע׀עק×××× ××× OSPF ××××Ö·× ×¢×¡ ק×Ö·××××× × ×€Ö¿×¢×֎ק×××× ×€×× ×××××¢ RIP ××× OSPF. ×××¢× ××ך ×Öž× ××××× ×Š× ××ס׀×Öž×š×©× ×¢×¡, ××ך ×××¢× ××¢× ×Ö·× EIGRP ××× ×€×× ×ך×× ×עך ×Š× ×§×Ö·× ×€×××עך ××× OSPF. ס×סק×Öž ×ע׀ך×××× ×Š× ×©×Ö·×€Ö¿× ×Ö· ׀֌ך×Öž××֞ק×Öž× ×××֞ס ×××Öž×× ×¢× ×©×ך ×× ×€×ַס××Ö·×¡× ××¢×××¢× × ×¢×¥ ק×Ö·× ××עך××ש×Ö·× ×¡.
××× ×× ×©×€ÖŒ×¢× 90 ס, ×Ö· ×עך×××Ö·× ×××§× ×§××ַס××ַס ××עךס××¢ ×€×× ââ×× RIPv2 ׀֌ך×Öž××֞ק×Öž× ××× ××׀ך×××. ××× ×× 2000 ס, ×× ×ך×× ××עךס××¢ ×€×× ââOSPF, RIPng ××× EIGRPv6, ×××֞ס ש×××Š× ×× IPv6 ׀֌ך×Öž××֞ק×Öž×, ×ך××ס. ×× ×××¢×× ××× ××ס××¢×××××Ö·× ×ַ׀֌ך×Öž××ש×× × ×Ö· ×€×× ××עך××Ö·× × ×Š× IPv6, ××× ×š×××× × ×€ÖŒ×š×Öž××֞ק×Öž× ××¢×××¢××֞׀֌עךס ××××× ×Š× ×××× ×ך××× ×€Ö¿×ַך ××¢×.
×××× ××ך ××¢××¢× ×§×¢×, ××ך ××¢××¢×š× × ×Ö·× ×××¢× ×ש×××× × ×× ×Öž×€ÖŒ××××Ö·× ××ַךשך××, RIP, ××× ×Ö· ××ס××Ö·× ×¡×¢ ××עק××֞ך ׀֌ך×Öž××֞ק×Öž×, ××× ×××××× ×××š× ××××× ×××× ×§×š××עך××Öž× - ×× ××× ×××× × ××עך ×€×× ××֞׀֌ס ×Öž×עך ×× ××× ×××× ××ס××Ö·× ×¡×¢ ×Š× ×× ×עס××× ××ש×Ö·× ×Š×××× ×. ×Ö·×××, ך×Ö·××עך ך 1 ×××¢× ×§×××Ö·×× ×Ö· ×××š×¢×§× ××ַךשך×× ×Š× ×š×Ö·××עך ך 3, ×ך×Öž×¥ ×עך ×€×Ö·×§× ×Ö·× ×× ×××ק××Ö·× ××××£ ××¢× ××ַךשך×× ××× 64 ק××× / s - ×¢×××¢××¢ ××Öž× ××××× ×קעך ××× ×× ×××ק××Ö·× ××××£ ×עך ××ַךשך×× ×š 1-ך 2-ך 3, ××××Ö·× ×Š× 1544 ק××× / s. ×× RIP ׀֌ך×Öž××֞ק×Öž× ×××¢× ××Ö·×ך×Ö·××× ×Ö· ×€ÖŒ×Ö·××¢××¢× ××ַךשך×× ×€×× ×××× ××Öž×€ÖŒ×§×¢× ××¢× × ×Š× ×××× ×Öž×€ÖŒ××××Ö·× ××× ××× ×Ö· ×©× ×¢× ××ַךשך×× ×€×× 2 ××֞׀֌ס.
OSPF ×××¢× ××¢×š× ×¢× ×× ××× ×Š×¢ × ×¢×¥ ××Öž×€ÖŒ×Öž××Öž×× ××× ××ַש×××¡× ×Š× × ××Š× ××¢× ××ַךשך×× ×××š× R3 ××× ×× ×€×ַס×עך ××ַךשך×× ×€Ö¿×ַך ק×Öž××× ×ק×ַ׊××¢ ××× ×š×Ö·××עך R2. RIP × ××Š× ×× × ××עך ×€×× ××֞׀֌ס ××× ×××× ××¢×ך×ק, ×שעת OSPF ס ××¢×ך×ק ××× ×§×֞ס, ×××֞ס ××× ×š××Ö¿ ק×ַסעס ××× ×€ÖŒ×š×Ö·×€ÖŒ×֞ךש×Ö·× ×Ö·× ×Š× ×× ××Ö·× ×××××× ×€×× ×× ××× ×§.
EIGRP ×××× ×€×Öž×ק×ס×× ××××£ ××ַךשך×× ×§×֞ס, ×Öž×עך ×× ××¢×ך×ק ××× ×€×× ×עך ק×Öž××€ÖŒ××׊××š× ××× OSPF ××× ×š××××× ××××£ ×€×××¢ ס×××ת, ×ַך××Ö·× ×עךע×× × ××Ö·× ××××××, ×€×ַך××Ö·×××, ך×××××Ö·××××Ö·××, ××Öž×××× × ××× ××ַקס×××× MTU. ×€Ö¿×ַך ×××ַש׀֌××, ×××× ×××× × ×Öž××¢ ××× ×עך ××Öž×××× ××× ×× ×עךע, EIGRP ×××¢× ×Ö·× ×Ö·×××× ×× ××ַסע ××××£ ×× ××× ×Š×¢ ××ַךשך×× ××× ×¡×¢×עק×××š× ×× ×× ×עך × ×Öž××¢ ××× ××××× ×קעך ××ַסע.
××× ×× CCNA ק×ךס ××ך ×××¢×× ××××× × ×¢××¢× ××× ×ש××× ×Ö·××Ö· ××¢×ך×ק ×€×֞ך××ך×× × ×¡×××ת ××× ××Ö·× ×××××× ××× ×€×ַך××Ö·×××; ××֞ס ××¢× ×¢× ×× ×××֞ס ×× ××¢×ך×ק ×€×֞ך××××¢ ×××¢× × ×׊×.
×× ××ס××Ö·× ×¡×¢ ××עק××֞ך ׀֌ך×Öž××֞ק×Öž× RIP × ××Š× ×Š×××× ×§×Ö·× ×¡×¢×€ÖŒ×¡: ××ס××Ö·× ×¡×¢ ××× ×š××××× ×. ×××× ××ך ××Öž×× 3 ך×Öž××עךס, ××× ×××× ×¢×š ×€×× ××× ××× ×§×Öž× × ×¢×§××¢× ×Š× ×× 20.0.0.0 × ×¢×¥, ×× ×ך××š× ×××¢× ×××× ××¢×××× ×××š× ××ס××Ö·× ×¡×¢ - ××֞ס ××¢× ×¢× ××֞׀֌ס, ××× ××¢× ×€×Ö·× 1 ××֞׀֌קע×, ××× ×××š× ×š××××× ×, ××֞ס ×××, ××××£ ×××֞ס ×××¢× - ×עך ××××עךש×עך. ×Öž×עך × ××עך×קעך - ×Š× ×©××§× ×€×ַךקעך.
××× ×Ö·××ש×Ö·×, RIP × ××Š× ×€ÖŒ×¢×š××Öž××ש ×Ö·×€ÖŒ×××××× × ×€×× ××× ×€Ö¿×֞ך××ַ׊××¢, ××ס×ך××××××× × ×Ö· ××Ö·× ×¥ ך×××× × ××ש ×××עך ×× × ×¢×¥ ××¢×עך 30 סעק×× ×עס. ×עך ×עך×××Ö·× ×××§× ××× 2 ××× ××. ×עך עךש×עך ××× ×× ×€×ַק××ש ×עך×××Ö·× ×××§× ×€×× ×× ×š×××× × ××ש, ×× ×š××¢ ××× ×§×Öž× ×ך×Öž××ך×× × ×× ×××××Ö·××××Ö·×× ×€×× ×× ××ך. ×××× ×עך ×××× ×§×¢× × ××©× ××ַק×××¢× ×Ö·× ×¢× ×׀עך ××ש ×עך×××Ö·× ×××§× ×Öž×עך × ××Ö·×¢ ××ַךשך×× ××× ×€Ö¿×֞ך××ַ׊××¢ ×€×× ââââ×× ××ך ××× 30 סעק×× ×עס, עס ×€×ךש×××× ×Ö·× ×עך ××ַךשך×× ×Š× ×× ××ך ×§×¢× × ×× ×עך ×××× ××¢××××× ×. ×עך ך×Ö·××עך ש××§× ×Ö· ×עך×××Ö·× ×××§× ××¢×עך 30 סעק×× ×עס ×Š× ××¢×€Ö¿×× ×¢× ×××ס ×××× ×עך ××ך ××× × ×Öž× ××¢××¢××ק ××× ×××× ×עך ××ַךשך×× ××× × ×Öž× ×××××ק.
××× ××× ××¢××××, ס׀֌××× ××֞ך×××Öž× ××¢×× ×Öž××Öž×××¢ ××× ××¢× ××Š× ×Š× ×€×ַך×××Ö·×× ××ַךשך×× ××׀֌ס. ××¢× ×××× ×Ö·× ×עך ×עך×××Ö·× ×××§× ××× × ××©× ×עש××§× ×Š×ך×ק ×Š× ×× ×Š×××× × ×€×× ×××֞ס עס ×עק×××¢×. ×× ×Š××××××¢ ××¢×× ×Öž××Öž×××¢ ×€Ö¿×ַך ׀֌ךע×××¢× ××× × ××׀֌ס ××× ×š×× ×¡×. ×××× ×× ×§×©×š ××× ×× 20.0.0.0 × ×¢×¥ ××¢××××× ××× ×× ×××× ××× ×× ×עך×Ö·×€ÖŒ×××, ×× ×š×Ö·××עך ×Š× ×××֞ס עס ××× ××¢×××¢× ×§×Öž× × ×¢×§××¢× ×¡×¢× ×× ×Ö· "×€ÖŒ××××Ö·× × ××ַךשך××" ×Š× ×××× ×©×× ××, ××× ×××֞ס עס ך××€ÖŒ×֞ךץ ×Ö·× ×× × ×¢×¥ ××× ×××Š× ×Š××ך××××¢× ××× 16 ××֞׀֌ס, ××֞ס ×××, ׀֌ך×ַק××ַק×× ×Ö·× ×š××ש×Ö·××Ö·×. ××֞ס ××× ××× ×× RIP ׀֌ך×Öž××֞ק×Öž× ×ַך××¢×.
××× ×Ö·××× ×ַך××¢× EIGRP? ×××× ××ך ××¢××¢× ×§× ×€×× ×× ×עק׊×עס ×××¢×× OSPF, ×עך ׀֌ך×Öž××֞ק×Öž× ×€ÖŒ×¢×š×€×֞ך×× ×ך×× ×€×Ö·× ×קש×Ö·× ×: עס ×ס××Ö·×××ש×× ×Ö· ק×××ַך××Ö·×, × ××Š× LSA ×Š× ×עך×××Ö·× ×××§× ×× LSDB ××× ×××× ××× ×¢× ×עך×× ××¢× ××× ×× × ×¢×¥ ××Ö·×€ÖŒ×Ö·××Ö·××ש×, ××× ××××¢× ×Ö· ך×××× × ××ש. ×ך×× ×× ×Ö· ק×××ַך××Ö·× ××× ×Ö· ××Ö·× ×¥ ק×Öž××€ÖŒ××׊××š× ×€ÖŒ×š×֞׊ע××ך ×××֞ס × ××Š× ×€×××¢ ×€ÖŒ×ַך×Ö·××¢×עךס. ×€Ö¿×ַך ×××ַש׀֌××, ק×Öž× ×ך×Öž××ך×× × ××× ×ש×Ö·× ××× × ×Ö· 2WAY ×€Ö¿×ַך××× ××× × - ×¢×××¢××¢ ק×Ö·× ×¢×§×©×Ö·× × ×××××× ××× ×× ×Š××××-×××¢× ×§×Öž××× ×ק×ַ׊××¢ ש××Ö·×, ×¢×××¢××¢ ×××× ×Š× ×× ×€×× ×©××Ö·×. × ×× ×¢× ××¢× OSPF, ××֞ס ×§×¢× × ××©× ×€ÖŒ×ַס××š× ××× ×× EIGRP ׀֌ך×Öž××֞ק×Öž× - עס ×שעקס ××××× 4 ×€ÖŒ×ַך×Ö·××¢×עךס.
××× OSPF, ××¢× ×€ÖŒ×š×Öž××֞ק×Öž× ×¡×¢× ×× ×Ö· ××¢×× ×Öž× ××Öž× ××× 10 ×€ÖŒ×ַך×Ö·××¢×עךס ××¢×עך 4 סעק×× ×עס. ×עך עךש×עך ××× ×× ×Öž××¢× ××ַק××ש×Ö·× ×§×š××עך××Öž×, ×××× ×¢×¡ ××× ×€×š×עך ק×Ö·× ×€×××עך×. ××× ××¢× ×€×Ö·×, ×Ö·××¢ ××¢×××סעס ××× ×××֞ס ׀֌ך×ַקס×××Ö·×× ××× ××¢×ך×× ××¢× ×××× ××Öž×× ×× ××¢×××¢ ×Öž××¢× ××ַק××ש×Ö·× ×€ÖŒ×ַך×Ö·××¢×עךס.
×× ×š××¢ ×€ÖŒ×ַך×Ö·××¢×עך ××× ××¢× ××Š× ×Š× ×§×Öž× ×ך×Öž×××š× ×Š× ××××××ס×Ö·× ××¢××¢×š× ×Š× ×עך ××¢×××קעך ×Öž××Ö·× ×Ö·××ַס ס×ס××¢×, ××֞ס ×××, ×Š× ×€×ַך××××× ×Ö·××ש×ַס×Ö·× ×¡ ××× ×× EIGRP ׀֌ך×Öž××֞ק×Öž×, ×××××¢ ××¢×××סעס ×××× ××Öž×× ×× ××¢×××¢ ×Öž××Ö·× ×Ö·××ַס ס×ס××¢× × ××עך. ×× ×ך×× ×€ÖŒ×ַך×Ö·××¢×עך ××× ××¢× ××Š× ×Š× ×§×Öž× ×ך×Öž×××š× ×Ö·× ××¢×× ×ַך××ק××¢× ××¢× ×¢× ×עש××§× ×€Ö¿×× ×עך ××¢×××קעך ×ק×ך IP ×Ö·×ךעס.
×עך ×€×¢×š× ×€ÖŒ×ַך×Ö·××¢×עך ××× ××¢× ××Š× ×Š× ×§×Öž× ×ך×Öž×××š× ×× ×§×Öž× ×¡×ס××¢× ×¡× ×€×× ×× ××עך××Ö·××Ö·× ×§-×××Ö·××עס ק×Öž××Ö·×€×ש×Ö·× ×¥. ×× EIRGP ׀֌ך×Öž××֞ק×Öž× × ××Š× 5 ×Ö·××Ö· ק×Öž××Ö·×€×ש×Ö·× ×¥ ×€×× K1 ×Š× K5. ×××× ××ך ××¢××¢× ×§×¢×, ×××× K=0 ×× ×€ÖŒ×ַך×Ö·××¢×עךס ××¢× ×¢× ×××× ×֞ך×ך×, ×Öž×עך ×××× K=1, ×× ×€ÖŒ×ַך×Ö·××¢×עךס ××¢× ×¢× ××¢× ××Š× ××× ×× ×€×֞ך××××¢ ×€Ö¿×ַך ק×Ö·×ק××Ö·×××××× × ×× ××¢×ך×ק. ××××, ×× ×××Ö·××עס ×€×× K1-5 ×€Ö¿×ַך ×€×ַךש×××¢× ×¢ ××¢×××סעס ×××× ×××× ×× ××¢×××¢. ××× ×× CCNA ק×ךס ××ך ×××¢×× × ×¢××¢× ×× ×€×¢××ק××Ö·× ×××Ö·××עס ×€×× ×× ×§×Öž××Ö·×€×ש×Ö·× ×¥: K1 ××× K3 ××¢× ×¢× ××××Ö·× ×Š× 1, ××× K2, K4 ××× K5 ××¢× ×¢× ××××Ö·× ×Š× 0.
×Ö·×××, ×××× ×× 4 ×€ÖŒ×ַך×Ö·××¢×עךס ××××Ö·××, EIGRP ×ס××Ö·×××ש×× ×Ö· ××ך ש××××ת ××× ×× ××¢×××סעס ×ַך××Ö·× ××¢×עך ×× ×עךע ××× ×× ××ך ××ש. ××××Ö·×עך, ×¢× ×עך×× ××¢× ××¢× ×¢× ××¢×××× ×Š× ×× ××Ö·×€ÖŒ×Ö·××Ö·×××©× ××ש.
×Ö·××¢ ××¢×× ×ַך××ק××¢× ××¢× ×¢× ×עש××§× ×Š× ×× ×××××ק×Ö·×¡× IP ×Ö·×ךעס 224.0.0.10, ××× ×עך×××Ö·× ××ק×× ××¢×, ×××€ÖŒ×¢× ××× × ××××£ ×× ×§×Ö·× ×€×××עך××ש×Ö·×, ××¢× ×¢× ×עש××§× ×Š× ×× ×× ×ק×Ö·×¡× ×Ö·×ךעס ×€×× ×©×× ×× ×Öž×עך ×Š× ×× ×××××ק×Ö·×¡× ×Ö·×ךעס. ×עך ×עך×××Ö·× ×××§× ×§××× × ××©× ×××עך UDP ×Öž×עך TCP, ×Öž×עך × ××Š× ×× ×× ×עך ׀֌ך×Öž××֞ק×Öž× ×עך××€× RTP, Reliable Transport Protocol. ×עך ׀֌ך×Öž××֞ק×Öž× ×שעק ×Š× ×עך ××ך ××× ××ק×××¢× ×Ö· ×עך×××Ö·× ××ק×, ××× ××× ×××× × ×Öž××¢× ×¡×Ö·×××שעס, ×××× ×©×××¡× ×€Ö¿×× ×§×Š××¢ ××× ×Š× ×¢× ×©×ך ק×Öž××× ×ק×ַ׊××¢ ך×××××Ö·××××Ö·××. ×××× ×עך ×עך×××Ö·× ×××§× ×××¢× × ××©× ×עך×ך×××× ××¢× ××ך, ×× ×ך×Ö·× ×¡××ס××¢ ×××¢× ×××× ×š××€ÖŒ×××× ××× ×עך ××ך ×××¢× ××ַק×××¢× ×¢×¡. ××× OSPF, עס ××× ×§××× ×עק×Ö·× ×××Ö·× ×Š× ×§×Öž× ×ך×Öž×××š× ×× ××ַק××עך ××××, ×Ö·××× ×× ×¡×ס××¢× ×§×¢× × ××©× ××××¡× ×Š× ×ך×××קע ××¢×××סעס ××Öž×× ××ק×××¢× ×× ×עך×××Ö·× ×××§× ×Öž×עך × ×ש×.
×××× ××ך ××¢××¢× ×§×¢×, RIP ×¡×¢× ×× ×Ö· ×עך×××Ö·× ×××§× ×€×× ×× ××Ö·× ×¥ × ×¢×¥ ××Öž×€ÖŒ×Öž××Öž×× ××¢×עך 30 סעק×× ×עס. EIGRP ××× ××֞ס ××××× ×××× ×Ö· × ××Ö·×¢ ×××× ××× ×ך××ס ××××£ ×עך × ×¢×¥ ×Öž×עך ×¢×××¢××¢ ×¢× ×עך×× ××¢× ××Öž×× ×€×ך×עק×××¢×. ×××× ×× ×¡××× ×¢× ××Ö·×€ÖŒ×Ö·××Ö·×××©× ××× ××¢××××, ×עך ׀֌ך×Öž××֞ק×Öž× ×××¢× ×©××§× ×Ö· ×עך×××Ö·× ××ק×, ×Öž×עך × ××©× ×× ×€×× ××Ö·×€ÖŒ×Ö·××Ö·×××©× ××ש, ×Öž×עך ××××× ×× ×š×¢×§×֞ך×ס ××× ××¢× ×¢× ×עך×× ×. ×××× ×Ö· ס××× ×¢× ×¢× ×עך×× ××¢×, ××××× ×××Ö·× ××Öž×€ÖŒ×Öž××Öž×× ×××¢× ×××× ×עך×××Ö·× ××ק×. ××֞ס ×××× × ×Š× ×××× ×Ö· ×€ÖŒ×ַך××××ש ×עך×××Ö·× ×××§× ×××֞ס ×Ö·×§×¢×š× ×××¢× ×€×ך××× ××.
××× ××ך ×××ס×, OSPF ×¡×¢× ×× LSAs ××¢×עך 30 ××× ××, ך×Ö·××ַך×××ַס ×€×× ×Š× ×¢×¡ ××¢× ×¢× ×¢× ×עך×× ××¢× ×Š× ×× × ×¢×¥. EIGRP ×××¢× × ××©× ×©××§× ×§××× ×עך×××Ö·× ××ק×× ××¢× ×€Ö¿×ַך ×Ö·× ×¢×§×¡××¢× ××¢× ×Š××× ××× ×¢×¡ ××× ×¢×××¢××¢ ×¢× ×עך×× ××¢× ××× ×× × ×¢×¥. ×עך××עך, EIGRP ××× ×€×× ×עך ע׀עק×××× ××× OSPF.
× ×Öž× ×× ×š×Öž××עךס ××Öž×× ×€×ך×××× ×עך×××Ö·× ×××§× ×€ÖŒ×ַק×Ö·××ש×Ö·×, ×× ×ך×× ××× ×¢ ××××× ××× - ×× ×€×֞ך××ך×× × ×€×× ×Ö· ך×××× × ××ש ×××××š× ××××£ ×× ××¢×ך×ק, ×××֞ס ××× ×§×Ö·×ק××Ö·×××××× ××× ×× ×€×֞ך××××¢ ××¢××××× ××× ×× ×€×××ך. ×× ×§×Ö·×ק××Ö·××××¥ ×× ×€ÖŒ×š××Ö·× ××× ×××× ×Ö· ××ַש××ס ×××××š× ××××£ ××¢× ×€ÖŒ×š××Ö·×.
××Öž××ך ×××¢×š× ×¢××¢× ×Ö·× R1 ××Öž× ×עש××§× ××¢×× ×Š× ×š×Ö·××עך R2, ××× ×עך ך×Ö·××עך ××Öž× ×עש××§× ××¢×× ×Š× ×š×Ö·××עך R1. ×××× ×Ö·××¢ ×€ÖŒ×ַך×Ö·××¢×עךס ××××Ö·××, ×× ×š×Öž××עךס ××Ö·×× ×Ö· ××ש ×€×× ×©×× ××. ××× ××¢× ××ש, R2 שך×××× ×Ö·× ×€ÖŒ×Öž××׊××¢ ×××¢×× ×× ×š×Ö·××עך R1, ××× R1 קך××××¥ ×Ö·× ×€ÖŒ×Öž××׊××¢ ×××¢×× R2. × ×Öž× ××¢×, ך×Ö·××עך R1 ×¡×¢× ×× ×× ×עך×××Ö·× ×××§× ×Š× ×× × ×¢×¥ 10.1.1.0/24 ×€×ך××× ×× ×Š× ×¢×¡. ××× ×× ×š×××× × ××ש, ××֞ס ק××§× ××× ××× ×€Ö¿×֞ך××ַ׊××¢ ×××¢×× ×× IP ×Ö·×ךעס ×€×× ×× × ×¢×¥, ×× ×š×Ö·××עך ׊×××× × ×××֞ס ××× ×§×Öž××× ×ק×ַ׊××¢ ××× ×××, ××× ×× ×€ÖŒ×š××Ö·× ×€×× ×× ××ַךשך×× ×××š× ××¢× ×Š×××× ×. ×××× ××ך ××¢××¢× ×§×¢×, ×× ×€ÖŒ×š××Ö·× ×€×× EIGRP ××× 90, ××× ×× ××ס××Ö·× ×¡×¢ ×××¢×š× ××× ×× ××¢×××××, ×××֞ס ××ך ×××¢×× ×š×¢×× ×××¢×× ×©×€ÖŒ×¢×עך.
×× ××Ö·× ×¥ ××¢×ך×ק ×€×֞ך××××¢ ק××§× ×€×× ×עך ק×Öž××€ÖŒ××׊×ך×, ××××Ö·× ×¢×¡ ×××× ×× ×××Ö·××עס ×€×× ×× ×§ ק×Öž××Ö·×€×ש×Ö·× ×¥ ××× ×€×ַךש××× ×ך×Ö·× ×¡×€×֞ך××ַ׊××¢. ×× Cisco ×××¢×××××× ××× ×Ö· ×€××ש××¢× ××ק ×€×Öž×š×¢× ×€×× ×× ×€×֞ך××××¢, ×Öž×עך ×××× ××ך ×€×ַך×××Ö·×× ×× ×€×¢××ק××Ö·× ×§×Öž××Ö·×€×ש×Ö·× × ×××Ö·××עס, עס ×××¢× ×××× ×§×Öž× ××עך××¢× ××× ×Ö· ס×××€ÖŒ×עך ×€×Öž×š×¢× - ×× ××¢×ך×ק ×××¢× ×××× ××××Ö·× ×Š× (××Ö·× ×××××× + ×€×ַך××Ö·×××) * 256.
××ך ×××¢×× × ××Š× ×€ÖŒ×× ×§× ××¢× ×¡×××€ÖŒ××Ö·×€××× ×€×Öž×š×¢× ×€×× ×× ×€×֞ך××××¢ ×Š× ×š×¢××¢× ×¢× ×× ××¢×ך×ק, ××× ×× ××Ö·× ×××××× ××× ×§×××Öž×××¥ ××× ××××Ö·× ×Š× 107, ׊ע××××× ×××š× ×× ×§××¢× ×¡×עך ××Ö·× ×××××× ×€×× ×Ö·××¢ ×× ×עך׀××ס×× ×××֞ס ×€××š× ×Š× ×× ×עס××× ××ש×Ö·× × ×¢×¥ ק××¢× ×¡×עך ××Ö·× ××××××, ××× ×× ×§×××××Ö·××Ö·×××× ×€×ַך××Ö·××× ××× ×× ××Ö·× ×¥ ×€×ַך××Ö·××× ××× ××¢× ×¡ ×€×× ××קך×֞סעק×Öž× ×ס ××××£ ×Ö·××¢ ×× ×עך׀××ס×× ×××֞ס ×€××š× ×Š× ×× ×עס××× ××ש×Ö·× × ×¢×¥.
×××¢× ××ך ××¢×š× ×¢× ×××¢×× EIGRP, ××ך ××Ö·×š×€Ö¿× ×Š× ×€Ö¿×ַךש×××× ×€×ך ××¢×€Ö¿×× ×׊×עס: ×€×××Ö·××Ö·× ××ס××Ö·× ×¡×¢, ךע׀֌×֞ך××¢× ××ס××Ö·× ×¡×¢, ס×ַקסעסעך (ש×Öž×× ×š×Ö·××עך ××× ×× ××Öž××Ö·×¡× ×××¢× ×§×֞ס ×Š× ×× ×עס××× ××ש×Ö·× × ×¢×¥), ××× ×€×××Ö·××Ö·× ×¡×ַקסעסעך (××ַקק××€ÖŒ ××ך ך×Ö·××עך). ×Š× ×€Ö¿×ַךש×××× ×××֞ס ××× ×××× ×¢×, ××Ö·×ך×Ö·××× ×× ×€××××¢× ××¢ × ×¢×¥ ××Ö·×€ÖŒ×Ö·××Ö·××ש×.
××× ×¡ ×Öž× ××××× ××× ×§×š×××××× × ×Ö· ך×××× × ××ש ך 1 ×Š× ×××סק×××Ö·×× ×× ×עס×עך ××ַךשך×× ×Š× × ×¢×¥ 10.1.1.0/24. ××××Ö·×עך ×Š× ××¢×עך ×××× ×× ×ך××€ÖŒ×× ××× ×§××× / s ××× ×××××Ö·× ×¡× ××× ×ס ××¢× ×¢× ××¢×××××. ××ך × ××Š× 100 Mbps ×Öž×עך 1000000 Kbps GigabitEthernet ×× ×עך׀××ס××, 100000 Kbps FastEthernet, 10000 Kbps ×¢×××¢×š× ×¢× ××× 1544 Kbps ס×ך××Ö·× ×× ×עך׀××ס××. ×× ×××Ö·××עס ×§×¢× ×¢× ×××× ××¢×€Ö¿×× ×¢× ×××š× ××¢× ×× ×§×¢×š×ַק×עך×ס××קס ×€×× ×× ×§×֞ך×ַס׀֌×Ö·× ××× × ×ש×××ת ×× ×עך׀××ס×× ××× ×× ×š×Ö·××עך סע×××× ×ס.
×× ×€×¢××ק××Ö·× ×ך××€ÖŒ×× ×€×× ×¡×ך××Ö·× ×× ×עך׀××ס×× ××× 1544 ק×׀֌ס, ××× ××€××× ×××× ××ך ××Öž×× ×Ö· 64 ק×׀֌ס ש×ך×, ×× ×ך××€ÖŒ×× ×××¢× × ×Öž× ×××× 1544 ק×׀֌ס. ×עך××עך, ××× ×Ö· × ×¢×¥ ×Ö·×××× ×ס×ך×Ö·××֞ך, ××ך ××Ö·×š×€Ö¿× ×Š× ××Ö·×× ×××עך ×Ö·× ××ך × ××Š× ×× ×š××××ק ××Ö·× ×××××× ××עך×. ×€Ö¿×ַך ×Ö· ס׀֌ע׊××€×ש ׊×××× ×, עס ×§×¢× ×¢× ×××× ×©××¢×× ××× ×× ××Ö·× ×××××× ××Ö·×€Ö¿×¢×, ××× × ××Š× ×× ×€×ַך××Ö·××× ××Ö·×€Ö¿×¢×, ××ך ×§×¢× ×¢× ××××©× ×× ×€×¢××ק××Ö·× ×€×ַך××Ö·××× ××עך×. ××ך ××Öž× × ×× ××Öž×× ×Š× ××Öž×š× ×××¢×× ×× ×€×¢××ק××Ö·× ××Ö·× ×××××× ×××Ö·××עס ×€Ö¿×ַך GigabitEthernet ×Öž×עך ×¢×××¢×š× ×¢× ×× ×עך׀××ס××, ×Öž×עך ×××× ×Öž×€ÖŒ××¢××× ×××¢× ×ש×××× × ×× ×©××š× ×××ק××Ö·× ×××× ××ך × ××Š× ×Ö· ס×ך××Ö·× ×Š×××× ×.
××××¢ ××Öž× ×Ö·× ××× ××¢× ×××Ö·×ך×Ö·××¢ ×× ×€×ַך××Ö·××× ××× ×¡×Ö·×€ÖŒ×Öž×××Ö·××× ×× ××¢××××× ××× ××××סעק×Ö·× ×× ×ס, ×Öž×עך ××× ×€×Ö·×§× ×¢×¡ ××× ××קך×֞סעק×Öž× ×ס, ××× × ×֞ך ××Öž× × ×× ××Öž×× ×× ×ך××× ÎŒ ×Š× ×š××××ק ××× ×Öž×× ××קך×֞סעק×Öž× ×ס ÎŒs.
××××¢ ××ַ׊×Öž×× × ×Öž×¢× × ××€×עךק××Ö·×ק××Ö·× ×Š× ×× ×€××××¢× ××¢ ×€×ַק×. ×××× ××ך ×ַך××ס××¢×× ×× ××××Ö·×× ×Š×××× × g0/0 ××Ö·×€Ö¿×¢×, ×× ×¡×ס××¢× ×××¢× ××××Ö·×× ×× ×××××Ö·× ×¡× ××× ××¢× ×¡ ×€×× ××קך×֞סעק×Öž× ×ס ××× ××× ××××× ××קך×֞סעק×Öž× ×ס.
××ך ×××¢×× ×§××§× ××× ××¢× ×ַך××ס××¢×× ××× ××¢××Ö·× ××× ×עך ××××Ö·×עך ×××××¢× ××××£ ק×Ö·× ×€×××עך××ש×Ö·× ×€×× EIGRP, ×××Š× ××¢××¢× ×§×¢× ×Ö·× ×××¢× ×€×ַך×××Ö·×× ×××××Ö·× ×¡× ×××Ö·××עס ××× ×× ×€×֞ך××××¢, 100 ÎŒs ×€×× ×× ×××Ö·×ך×Ö·××¢ ×××š× ×¡ ××× 10, ××××Ö·× ×× ×€×֞ך××××¢ × ××Š× ××¢× ×¡ ×€×× ××קך×֞סעק×Öž× ×ס, × ××©× ×× ××¥.
××× ×× ×××Ö·×ך×Ö·××¢, ××× ×××¢× ×Öž× ××××Ö·×× ××× ×š××× ××Ö·×¥ ×× ×× ×עך׀××ס×× ×Š× ×××֞ס ×× ××¢××××× ×ך××€ÖŒ××¥ ××× ××××××.
עךש×עך ×€×× ×Ö·××¢, ××ך ××Ö·×š×€Ö¿× ×Š× ××ַש××××¢× ×× ××¢×××¢× ×€×××Ö·××Ö·× ××ס××Ö·× ×¡×¢. ××֞ס ××× ×× FD ××¢×ך×ק, ×××֞ס ××× ×§×Ö·×ק××Ö·×××××× ××× ×× ×€×֞ך××××¢. ×€Ö¿×ַך ×× ×Öž×€ÖŒ×××××× × ×€×× R5 ×Š× ×× ×€×× ×ך×××¡× ××ק × ×¢×¥, ××ך ××Ö·×š×€Ö¿× ×Š× ××××× 107 ×××š× 106, ××× ×Ö· ךע×××××Ö·× ××ך ××ַק×××¢× 10. ××××Ö·×עך, ×Š× ××¢× ××Ö·× ×××××× ×××¢×š× ××ך ××Ö·×š×€Ö¿× ×Š× ××××× ×Ö· ×€×ַך××Ö·××× ××××Ö·× ×Š× 1, ××××Ö·× ××ך ××Öž×× 10 ××קך×֞סעק×Öž× ×ס, ××֞ס ×××, ×××× ×Š×¢×. ×× ×š×××Ö·×××× × ×××¢×š× ×€×× 11 ×××× ×××× ××¢××¢×š× ××× 256, ××֞ס ×××, ×× ××¢×ך×ק ×××¢×š× ×××¢× ×××× 2816. ××֞ס ××× ×× FD ×××¢×š× ×€Ö¿×ַך ××¢× ×Öž×€ÖŒ×××××× × ×€×× ×עך × ×¢×¥.
ך×Ö·××עך ך 5 ×××¢× ×©××§× ××¢× ×××¢×š× ×Š× ×š×Ö·××עך ך 2, ××× ×€Ö¿×ַך ך 2 עס ×××¢× ×××¢×š× ×× ×עךק××¢×š× ×š×¢×€ÖŒ×֞ך××¢× ××ס××Ö·× ×¡×¢, ××֞ס ×××ס×, ×× ×××¢×š× ×××֞ס ×עך ש×× ×עך׊×××× ×××. ××××, ×× ×Ö·×××עך××××× RD ××ס××Ö·× ×¡×¢ ×€Ö¿×ַך ×Ö·××¢ ×× ×עךע ××¢×××סעס ×××¢× ×××× ××××Ö·× ×Š× ×× ××¢×××¢× FD ××ס××Ö·× ×¡×¢ ×€×× ââ×× ×××× ×××֞ס ××Öž× ××¢××××× ×¢×¡ ×Š× ××ך.
ך×Ö·××עך R2 ××× FD ×ש××× ×ת ×××××š× ××××£ ×××× ××Ö·××, ××֞ס ×××ס×, עך ׊ע××××× 107 ×××š× 105 ××× ××ַק×××¢× 100. ××¢×š× ×Öž× ×¢×¡ ××××× ×Š× ××¢× ×××¢×š× ×× ×¡×Ö·××Ö·×§× ×€×× ×××××× ××××£ ×× ××ַךשך×× ×Š× ×× ×€×× ×ך×××¡× ××ק × ×¢×¥: R5 ס ×€×ַך××Ö·×××, ××××Ö·× ×Š× ×××× ×Š×¢× ××קך×֞סעק×Öž× ×ס, ××× ××²Ö·× ×ײ××¢× ×¢× ×€Ö¿×ַך××Ö·×××, ×××²Ö·× ××× ×Š×¢× ×Š×¢× ×××קעך. ×× ××Ö·× ×¥ ×€×ַך××Ö·××× ×××¢× ×××× 11 ××¢× ×¡ ×€×× ××קך×֞סעק×Öž× ×ס. ××ך ××××× ×¢×¡ ×Š× ×× ×š×××Ö·×××× × ××× ××¢×š× ××× ××ַק×××¢× 111, ××¢×š× ××¢× ×××¢×š× ××× 256 ××× ××ַק×××¢× ×× ×××¢×š× FD = 28416. ך×Ö·××עך R3 ××× ×× ××¢×××¢, ××ק×××¢× × ×Öž× ×× ×ש××× ×ת ×× ×××¢×š× FD=281856. ך×Ö·××עך R4 ק×Ö·×ק××Ö·××××¥ ×× ×××¢×š× FD=3072 ××× ×ך×Ö·× ×¡×××× ×¢×¡ ×Š× R1 ××× RD.
××××¢ ××Öž× ×Ö·× ×××¢× ×§×Ö·×ק××Ö·×××××× × FD, ך×Ö·××עך R1 ××× × ××©× ×€×ַך×××Ö·×× ×××× ×××××¢× ×¢ ××Ö·× ×××××× ×€×× 1000000 ק××× / s ××× ×× ×€×֞ך××××¢, ×Öž×עך ×× × ××עך×קעך ××Ö·× ×××××× ×€×× ×š×Ö·××עך R2, ×××֞ס ××× ××××Ö·× ×Š× 100000 ק××× / s, ××××Ö·× ×× ×€×֞ך××××¢ ש××¢× ××ק × ××Š× ×× ××× ×××× ××Ö·× ×××××× ×€×× ×× ×Š×××× × ××××× × ×Š× ×× ×עס××× ××ש×Ö·× × ×¢×¥. ××× ××¢× ×€×Ö·×, ך×Öž××עךס ך 10.1.1.0 ××× ×š 24 ××¢× ×¢× ×××× ××××£ ×× ×××¢× ×Š× × ×¢×¥ 2/5, ×Öž×עך ××× × ×× ×€×× ×€× ×š×Ö·××עך ××× ×Ö· ×ךעסעךע ××Ö·× ××××××, ×עך ק××¢× ×¡×עך ××Ö·× ×××××× ×××¢×š× ×€×× ×š×Ö·××עך ך 2 ××× ×¡×Ö·×ס××Ö·××××Ö·× ××× ×× ×€×֞ך××××¢. ×× ××Ö·× ×¥ ×€×ַך××Ö·××× ×Š×××××¢× ××¢× ×××¢× R1-R2-R5 ××× 1+10+1 (×Š×¢× ×¡) = 12, ×× ×š××××¡× ×ך××€ÖŒ×× ××× 100, ××× ×× ×¡×Ö·××Ö·×§× ×€×× ×× × ×××¢×š× ××¢××¢×š× ××× 256 ××× ×× ×××¢×š× FD=30976.
×Ö·×××, ×Ö·××¢ ××¢×××סעס ××Öž×× ×§×Ö·×ק××Ö·×××××× ×× FD ×€×× ×××עך ×× ×עך׀××ס××, ××× ×š×Ö·××עך R1 ××× 3 ך××¥ ×××֞ס ×€××š× ×Š× ×× ×עס××× ××ש×Ö·× × ×¢×¥. ××ס ××¢× ×¢× ×š××¥ R1-R2, R1-R3 ××× R1-R4. ×עך ך×Ö·××עך ס×Ö·×עקץ ×× ××× ×××× ×××¢×š× ×€×× ×× ××¢×××¢× ××ס××Ö·× ×¡×¢ FD, ×××֞ס ××× ××××Ö·× ×Š× 30976 - ××֞ס ××× ×עך ××ַךשך×× ×Š× ×š×Ö·××עך ך 2. ×עך ך×Ö·××עך ×××¢×š× ×עך ס×ַקסעסעך, ×Öž×עך "ס×ַקסעסעך". ×× ×š×××× × ××ש ×××× ×× ××ק×××¥ ×€×××Ö·××Ö·× ×¡×ַקסעסעך (××ַקק××€ÖŒ ס×ַקסעסעך) - עס ×××× ×Ö·× ×××× ×× ×§×©×š ׊××××©× R1 ××× ×¡×ַקסעסעך ××× ×Š×¢×ך×××, ×עך ××ַךשך×× ×××¢× ×××× ×š×Ö·×××× ×××š× ×× ××ַק×Ö·×€ÖŒ ×€×××Ö·××Ö·× ×¡×ַקסעסעך ך×Ö·××עך.
×€×××Ö·××Ö·× ×¡×Ö·×§×¡×¢×¡×¢×š× ××¢× ×¢× ×ַס××× × ×××× ×Ö· ×××× ×עךש×: ×× ×Ö·×××עך××××× ××ס××Ö·× ×¡×¢ RD ×€×× ××¢× ×š×Ö·××עך ×××× ×××× ××××× ×קעך ××× ×× FD ×€×× ×× ×š×Ö·××עך ××× ×× ×Öž×€ÖŒ×©× ×× ×Š× ×× ×¡×ַקסעסעך. ××× ××× ××עך ×€×Ö·×, R1-R2 ××× FD = 30976, RD ××× ×× ×Öž×€ÖŒ×××××× × R1-K3 ××× ××××Ö·× ×Š× 281856, ××× RD ××× ×× ×Öž×€ÖŒ×××××× × R1-R4 ××× ××××Ö·× ×Š× 3072. ××× × 3072 <30976, ך×Ö·××עך R4 ××× ×××ס×עק×××× ××× ×€×××Ö·××Ö·× ×¡×ַקסעסעך×.
××¢× ×××× ×Ö·× ×××× ×§×Öž××× ×ק×ַ׊××¢ ××× ××סך×Ö·×€ÖŒ××× ××××£ ×× R1-R2 × ×¢×¥ ×Öž×€ÖŒ×××××× ×, ×€×ַךקעך ×Š× ×× 10.1.1.0/24 × ×¢×¥ ×××¢× ×××× ×עש××§× ×Š×××××¢× ×× R1-R4-R5 ××ַךשך××. ××ַש××××¢× ×Ö· ××ַךשך×× ×××¢× × ××Š× RIP × ×¢×× ×¢×××¢××¢ ××¢× ×¡ ×€×× ×¡×¢×§×× ×עס, ×××¢× × ××Š× OSPF עס × ×¢×× ×¢×××¢××¢ סעק×× ×עס, ××× ××× EIGRP עס ×Ö·×§×¢×š× ×××קעף. ××֞ס ××× ×× ×× ×עך ×××Ö·××¢ ×€×× ââEIGRP ×××עך ×× ×עךע ך×××× × ×€ÖŒ×š×Öž××֞ק×Öž×ס.
×××֞ס ××Ö·×€ÖŒ×Ö·× × ×××× ×××××¢ ס×ַקסעסעך ××× ×€×××Ö·××Ö·× ×¡×ַקסעסעך ××¢× ×¢× ××סק×Ö·× ×¢×§××× ××× ×עך ××¢×××קעך ׊×××? ××× ××¢× ×€×Ö·×, EIGRP × ××Š× ×× ×Š×××××¢× ××ק ×Ö·××עך×××Ö·×, ×××֞ס ×§×¢× ×¢× ×š×¢××¢× ×¢× ×Ö· ××ַק×Ö·×€ÖŒ ××ַךשך×× ×××š× ×Ö· ×סת֌×× ×¡×ַקסעסעך. ××֞ס ×§×¢× × ×¢××¢× ×¢×××¢××¢ סעק×× ×עס, ×עש×ַס ×××֞ס EIGRP ×××¢× ××¢×€Ö¿×× ×¢× ×× ×× ×עך ××ך ×××֞ס ×§×¢× ×¢× ×××× ××¢× ××Š× ×Š× ×€×֞ך××ס ×× ×€×ַךקעך ××× ×©××¢×× ×××× ××Ö·×× ××× ×× ×š×××× × ××ש. × ×Öž× ××¢×, ×עך ׀֌ך×Öž××֞ק×Öž× ×××¢× ×€×֞ך××¢×Š× ×××× × ×֞ך××Ö·× ×š×××× × ×ַך××¢×.
××× ×§ ××ך ×€Ö¿×ַך ס××××× × ××× ××× ××. ×Š× ××ך ××× ××× ××עך ×ַך××ק××¢×? ××××× ×Š× ××¢× ×עך ×ש×ק×Ö·×××¢ ××× ××Ö·××? ש×××Š× ××× ×× ×××š× ×€ÖŒ×××ס×× × ×Ö· ס×ך ×Öž×עך ךעק×Ö·××¢× ××× ×Š× ×€×š×¢× ××, 30% ×ַך×֞׀֌ךע××¢× ×¢× ×€Ö¿×ַך Habr ××××¢×š× ××××£ ×Ö· ××× ×Š×ק ×Ö·× ×Ö·××Öž× ×€×× ×€ÖŒ×Öž××׊××¢-××ך×× ×¡×¢×š××עךס, ×××֞ס ××× ×× ×××¢× ××Ö·× ×××š× ××× ×× ×€Ö¿×ַך ××ך:
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