\n[root@atmrouter \/]# modprobe mpoa\n[root@atmrouter \/]#\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nSyntax d\u00e9mona mpcd<\/b> je<\/p>\n\n\n\n\nmpcd [-s Control ATM address] [-l Data ATM address] \n [-c MPS control ATM address] [-i Interface number]\n [-m MPS MAC address ] [-L LEC address [-n ELAN name]\n [-C LECS Address]]\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nParametre a vo\u013eby n\u00e1jdete v manu\u00e1lovej str\u00e1nke mpcd(8).<\/p>\n Pred spusten\u00edm mpcd<\/b> u\u017e musia be\u017ea\u0165 d\u00e9mony atmsigd a ilmid. Ke\u010f\u017ee MPOA sleduje toky d\u00e1t v IP vrstve generovan\u00e9 ELAN sie\u0165ami, mus\u00ed be\u017ea\u0165 aj d\u00e9mon zeppelin<\/b>. Poradie, v ktorom mus\u00edme zapn\u00fa\u0165 d\u00e9mony zeppelin a mpcd nie je striktne stanoven\u00e9. V be\u017eiacom syst\u00e9me m\u00f4\u017eete teda hociktor\u00fd z d\u00e9monov re\u0161tarn\u00fa\u0165 bez potreby re\u0161tartovania druh\u00e9ho z nich. Naj\u013eah\u0161ia cesta ako vypn\u00fa\u0165 MPOA je zabi\u0165 (kill) be\u017eiaci proces mpcd.<\/p>\n Pr\u00edklad<\/p>\n \n\n\n\n[root@yamir \/root]# zeppelin &\n[1] 5478\n[root@yamir \/root]# ifconfig lec0 10.1.1.42 netmask 255.255.255.0 \\\n> broadcast 10.1.1.255 up\n[root@yamir \/root]# mpcd -s mybox1 -l mybox2 &\n[2] 5524\n[root@yamir \/root]# zeppelin -i 2 -l mybox3 -n myelan -p &\n[3] 5525\n[root@yamir \/root]# ifconfig lec2 10.1.2.42 netmask 255.255.255.0 \\\n> broadcast 10.1.2.255 up\n[root@yamir \/root]# mpcd -i 2 -s mybox4 -l mybox5 &\n[4] 5531\n[root@yamir \/root]#\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nMPOA d\u00e9mon po\u017eaduje dve r\u00f4zne lok\u00e1lne ATM adresy, ktor\u00e9 pou\u017eije na ustavenie spojenia a prenos d\u00e1t, a na riadenie spojen\u00ed. ATM adresy m\u00f4\u017eu by\u0165 rovnak\u00e9 ak\u00e9 sme pou\u017eili pre d\u00e9mon zeppelin ale musia by\u0165 r\u00f4zne od t\u00fdch, ktor\u00e9 sme pou\u017eili pre ostatn\u00e9 be\u017eiace MPOA d\u00e9mony.<\/p>\n \u0160tandartne mpcd nevy\u017eaduje konfigura\u010dn\u00e9 \u00fadaje od LANE konfigura\u010dn\u00e9ho servera. Potrebn\u00e9 prep\u00edna\u010de na pr\u00edkazovom riadku a pr\u00edklad po\u017eitia LECS je uk\u00e1zan\u00fd v pr\u00edklade prilo\u017eenom v manu\u00e1li k mpcd(8).<\/p>\n Polo\u017eky MPOA ingress<\/b> a egress<\/b> (cache) vyrovn\u00e1vac\u00edch pam\u00e4t\u00ed m\u00f4\u017eete sledova\u0165 cez s\u00fabor \/proc\/net\/atm\/mpc<\/b>.<\/p>\n Linux MPOA tie\u017e podporuje triedu slu\u017eieb CBR pre skratkov\u00e9 ELAN SVC spojenia namiesto prednastavenej triedy slu\u017eieb UBR. QOS parametre bud\u00facich skratkov\u00fdch spojen\u00ed MPOA m\u00f4\u017eu by\u0165 nastavovan\u00e9 a pozme\u0148ovan\u00e9 cez u\u017e spom\u00ednan\u00fd s\u00fabor \/proc\/net\/atm\/mpc<\/b>.<\/p>\n Pr\u00edklad<\/p>\n \n\n\n\n[root@yamir \/root]# echo \"add 130.230.54.146 tx=80000,1600 rx=tx\" \\\n> > \/proc\/net\/atm\/mpc # generate enough traffic to trigger a shortcut\n[root@yamir \/root]# cat \/proc\/net\/atm\/mpc\nQoS entries for shortcuts:\nIP address\n TX:max_pcr pcr min_pcr max_cdv max_sdu\n RX:max_pcr pcr min_pcr max_cdv max_sdu\n130.230.54.146\n 80000 0 0 0 1600\n 80000 0 0 0 1600\n\nInterface 2:\n\nIngress Entries:\nIP address State Holding time Packets fwded VPI VCI\n130.230.4.3 invalid 1160 0\n130.230.54.146 resolved 542 151 0 109\n...\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nNadviazali sme skratkov\u00e9 spojenie (shortcut connection<\/b>) k IP adrese 130.230.54.146 s parametrami ako vidno z pr\u00edkladu. Na internete mo\u017eno n\u00e1js\u0165 patche roz\u0161iruj\u00face detekciu tokov na pln\u00fa podporu tokov cez vrstvu 4. Toky cez vrstvu 4 predstavuj\u00fa tok aplik\u00e1cia-aplik\u00e1cia, s\u00fa identifikovan\u00e9 p\u00e4ticou (protokol, lok\u00e1lna adresa, lok\u00e1lny port, vzdialen\u00e1 adresa, vzdialen\u00fd port). Patche s\u00fa pr\u00edstupn\u00e9 na ftp:\/\/sunsite.tut.fi\/pub\/Local\/linux-atm\/mpoa<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"6 IP cez ATM (IP over ATM)<\/h1>\nV IP cez ATM<\/b> v Linuxe sú podporované Classical IP over ATM (CLIP<\/b>, definované v dokumente RFC1577), LAN Emulation (LANE<\/b> verzia 1 a verzia 2) a Multi-Protocol over ATM (MPOA<\/b>, iba klient).<\/p>","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[178],"tags":[],"class_list":["post-115","post","type-post","status-publish","format-standard","hentry","category-atm-en"],"taxonomy_info":{"category":[{"value":178,"label":"ATM"}]},"featured_image_src_large":false,"author_info":{"display_name":"palo73","author_link":"https:\/\/nil.uniza.sk\/en\/author\/palo73\/"},"comment_info":0,"category_info":[{"term_id":178,"name":"ATM","slug":"atm-en","term_group":0,"term_taxonomy_id":429,"taxonomy":"category","description":"","parent":0,"count":23,"filter":"raw","cat_ID":178,"category_count":23,"category_description":"","cat_name":"ATM","category_nicename":"atm-en","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/posts\/115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/comments?post=115"}],"version-history":[{"count":0,"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/posts\/115\/revisions"}],"wp:attachment":[{"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/media?parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/categories?post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nil.uniza.sk\/en\/wp-json\/wp\/v2\/tags?post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} | | | |