{"id":1070,"date":"2016-07-14T16:27:38","date_gmt":"2016-07-14T15:27:38","guid":{"rendered":"http:\/\/www.safekom.pl\/blog\/?p=1070"},"modified":"2017-07-26T12:20:47","modified_gmt":"2017-07-26T11:20:47","slug":"lab-vrf-cisco","status":"publish","type":"post","link":"https:\/\/www.safekom.pl\/blog\/cisco\/lab-vrf-cisco\/","title":{"rendered":"LAB – VRF Cisco"},"content":{"rendered":"

Ostatnio bardzo du\u017co s\u0142yszymy o wirtualizacji sieci.\u00a0 Warto zatem\u00a0wr\u00f3ci\u0107 do jej podstaw kiedy to ju\u017c wtedy\u00a0w pewien spos\u00f3b „wirtualizacja” by\u0142a stosowana\u00a0na \u00a0urz\u0105dzeniach, na kt\u00f3rych separuje si\u0119 tablice routingu. Separacja ta jest\u00a0ukryta pod nazw\u0105 VRF (Virtual Routing and Forwarding). Drugim wariatem na „wirtualizacj\u0119” jest tworzenie tzw. wirtualnych system\u00f3w czy router\u00f3w. Dzi\u015b, kiedy to routery maj\u0105 du\u017c\u0105 moc obliczeniow\u0105 mo\u017cemy pozwoli\u0107 sobie na tworzenie osobnych vrf’\u00f3w czy wirtualnych router\u00f3w\u00a0per us\u0142uga czy klient.<\/p>\n

W tej chwili skupimy si\u0119 na Cisco.
\nDo tego laba wykorzystam Cisco CSR1000v uruchomione na w mym labie.<\/p>\n

Za\u0142o\u017cenia:<\/h4>\n

uruchamiamy 3 vrfy mgmt ,dc1 oraz Internet na jednym urz\u0105dzeniu.<\/p>\n

\"vrf\"<\/a><\/p>\n

Konfiguracja:<\/h4>\n
tworzymy VFR’y:<\/h5>\n

VRF DC1<\/p>\n

csr1kv01(config)#ip vrf dc1\r\ncsr1kv01(config-vrf)#rd 65000:2<\/pre>\n
VRF MGMT<\/p>\n
csr1kv01(config)#ip vrf mgmt\r\ncsr1kv01(config-vrf)#rd 65000:1<\/pre>\n
VRF Internet<\/p>\n
csr1kv01(config)#ip vrf Internet\r\ncsr1kv01(config-vrf)#rd 65000:99<\/pre>\n
Weryfikacja skonfigurowanych VRF’\u00f3w<\/h5>\n
csr1kv01#show vrf\r\n  Name                             Default RD            Protocols   Interfaces\r\n  Internet                         65000:99              ipv4        \r\n  dc1                              65000:2               ipv4        \r\n  mgmt                             65000:1               ipv4<\/pre>\n
Konfigurujemy interfejsy:<\/h5>\n
Ma\u0142a porada<\/strong><\/p>\n
Pami\u0119tajmy, \u017ce najpierw przypisujemy interfejs do vrf’u, a nast\u0119pnie adresujemy interfejs. Jak zrobimy odwrotnie b\u0119dziemy musieli jeszcze raz adresowa\u0107 interfejs.<\/p>\n
interface GigabitEthernet1\r\n ip vrf forwarding mgmt\r\n ip address 10.10.0.11 255.255.255.0<\/pre>\n
interface GigabitEthernet2.100\r\n encapsulation dot1Q 100\r\n ip vrf forwarding dc1\r\n ip address 10.20.100.10 255.255.255.0<\/pre>\n
interface GigabitEthernet3\r\n ip vrf forwarding Internet\r\n ip address 192.168.0.50 255.255.255.0<\/pre>\n
Wy\u015bwietlamy VRF’y z przypisaniem do Interfejsu oraz IP:<\/h5>\n
csr1kv01#show ip vrf int\r\nInterface              IP-Address      VRF                              Protocol\r\nGi3                    192.168.0.50    Internet                         up      \r\nGi2.100                10.20.100.10    dc1                              up      \r\nGi1                    10.10.0.11      mgmt                             up<\/pre>\n
\u00a0Konfigurujemy routing:<\/h5>\n
ip route vrf mgmt 0.0.0.0 0.0.0.0 10.10.0.1\r\nip route vrf dc1 0.0.0.0 0.0.0.0 10.20.100.1<\/pre>\n
Wy\u015bwietlamy tablic\u0119 routingu dla vrf’\u00f3w:<\/h5>\n
csr1kv01#show ip route vrf mgmt\r\n\r\nRouting Table: mgmt\r\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\r\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \r\n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\r\n       E1 - OSPF external type 1, E2 - OSPF external type 2\r\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\r\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\r\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\r\n       a - application route\r\n       + - replicated route, % - next hop override, p - overrides from PfR\r\n\r\nGateway of last resort is 10.10.0.1 to network 0.0.0.0\r\n\r\nS*    0.0.0.0\/0 [1\/0] via 10.10.0.1\r\n      10.0.0.0\/8 is variably subnetted, 2 subnets, 2 masks\r\nC        10.10.0.0\/24 is directly connected, GigabitEthernet1\r\nL        10.10.0.11\/32 is directly connected, GigabitEthernet1<\/pre>\n
csr1kv01#show ip route vrf Internet\r\n\r\nRouting Table: Internet\r\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\r\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \r\n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\r\n       E1 - OSPF external type 1, E2 - OSPF external type 2\r\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\r\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\r\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\r\n       a - application route\r\n       + - replicated route, % - next hop override, p - overrides from PfR\r\n\r\nGateway of last resort is not set\r\n\r\n      192.168.0.0\/24 is variably subnetted, 2 subnets, 2 masks\r\nC        192.168.0.0\/24 is directly connected, GigabitEthernet3\r\nL        192.168.0.50\/32 is directly connected, GigabitEthernet3<\/pre>\n
csr1kv01#show ip route vrf dc1     \r\n\r\nRouting Table: dc1\r\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\r\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \r\n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\r\n       E1 - OSPF external type 1, E2 - OSPF external type 2\r\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\r\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\r\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\r\n       a - application route\r\n       + - replicated route, % - next hop override, p - overrides from PfR\r\n\r\nGateway of last resort is 10.20.100.1 to network 0.0.0.0\r\n\r\nS*    0.0.0.0\/0 [1\/0] via 10.20.100.1\r\n      10.0.0.0\/8 is variably subnetted, 2 subnets, 2 masks\r\nC        10.20.100.0\/24 is directly connected, GigabitEthernet2.100\r\nL        10.20.100.10\/32 is directly connected, GigabitEthernet2.100<\/pre>\n
Konfigurujemy routing pomi\u0119dzy vrf’ami:<\/h5>\n
S\u0105 dwie metody \u0142\u0105czenia vrf’\u00f3w. Najprostsz\u0105 jest po\u0142\u0105czenie za pomoc\u0105 kabla i interfejsu l3 pomi\u0119dzy vrfami oraz wklepanie routingu statycznego. Drug\u0105 metod\u0105 jest wykorzystanie MPBGP. Poni\u017cej przedstawi\u0119 jej konfiguracj\u0119:<\/p>\n
router bgp 65000 \/\/konfigurujemy bgp z AS'em prywtnym\r\n bgp log-neighbor-changes\r\n \r\n address-family ipv4 vrf Internet \/\/configurujemy vrf Internet\r\n  redistribute connected \/\/okre\u015blamy jakie sieci maj\u0105 by\u0107 dystrybuwane\r\n exit-address-family\r\n \r\n address-family ipv4 vrf dc1\r\n  redistribute connected\r\n  redistribute static\r\n exit-address-family\r\n \r\n address-family ipv4 vrf mgmt\r\n  redistribute connected\r\n exit-address-family<\/pre>\n
Po skonfigurowaniu MP BGP przechodzimy do konfiguracji wymiany routingu pomi\u0119dzy VRF’ami<\/p>\n
Konfigurujemy Import i Export dla VRF’\u00f3w:<\/h4>\n
Za\u0142o\u017cenie:<\/strong> DC1 i MGMT mog\u0105 komunikowa\u0107 si\u0119 ze sob\u0105 a Internet tylko z MGMT<\/p>\n
ip vrf dc1\r\nroute-target export 65000:2\r\nroute-target import 65000:1\r\n\r\nip vrf mgmt\r\nroute-target export 65000:1\r\nroute-target import 65000:2\r\nroute-target import 65000:99\r\n\r\nip vrf Internet\r\n rd 65000:99\r\n route-target import 65000:1\r\n route-target export 65000:99<\/pre>\n
Weryfikacja:<\/h4>\n
sprawdzamy sesj\u0119 MPBGP<\/strong><\/p>\n
csr1kv01#show bgp vpnv4 unicast all \r\nBGP table version is 14, local router ID is 172.16.0.1\r\nStatus codes: s suppressed, d damped, h history, * valid, > best, i - internal, \r\n              r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter, \r\n              x best-external, a additional-path, c RIB-compressed, \r\nOrigin codes: i - IGP, e - EGP, ? - incomplete\r\nRPKI validation codes: V valid, I invalid, N Not found\r\n\r\n     Network          Next Hop            Metric LocPrf Weight Path\r\nRoute Distinguisher: 65000:1 (default for vrf mgmt)\r\n *>  10.10.0.0\/24     0.0.0.0                  0         32768 ?\r\n *>  10.20.100.0\/24   0.0.0.0                  0         32768 ?\r\n *>  192.168.0.0      0.0.0.0                  0         32768 ?\r\nRoute Distinguisher: 65000:2 (default for vrf dc1)\r\n *>  10.10.0.0\/24     0.0.0.0                  0         32768 ?\r\n *>  10.20.100.0\/24   0.0.0.0                  0         32768 ?\r\nRoute Distinguisher: 65000:99 (default for vrf Internet)\r\n *>  10.10.0.0\/24     0.0.0.0                  0         32768 ?\r\n *>  192.168.0.0      0.0.0.0                  0         32768 ?<\/pre>\n
Wy\u015bwietlamy routing dla poszczeg\u00f3lnych vrf’\u00f3w:<\/strong><\/p>\n
csr1kv01#show ip route vrf ?\r\n  WORD  VPN Routing\/Forwarding instance name\r\n\r\ncsr1kv01#show ip route vrf mgmt\r\n\r\nRouting Table: mgmt\r\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\r\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \r\n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\r\n       E1 - OSPF external type 1, E2 - OSPF external type 2\r\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\r\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\r\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\r\n       a - application route\r\n       + - replicated route, % - next hop override, p - overrides from PfR\r\n\r\nGateway of last resort is 10.10.0.1 to network 0.0.0.0\r\n\r\nS*    0.0.0.0\/0 [1\/0] via 10.10.0.1\r\n      10.0.0.0\/8 is variably subnetted, 4 subnets, 2 masks\r\nC        10.10.0.0\/24 is directly connected, GigabitEthernet1\r\nL        10.10.0.11\/32 is directly connected, GigabitEthernet1\r\nB        10.20.100.0\/24 is directly connected, 00:05:33, GigabitEthernet2.100\r\nL        10.20.100.10\/32 is directly connected, GigabitEthernet2.100\r\n      192.168.0.0\/24 is variably subnetted, 2 subnets, 2 masks\r\nB        192.168.0.0\/24 is directly connected, 00:01:33, GigabitEthernet3\r\nL        192.168.0.50\/32 is directly connected, GigabitEthernet3<\/pre>\n
csr1kv01#show ip route vrf Internet\r\n\r\nRouting Table: Internet\r\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\r\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \r\n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\r\n       E1 - OSPF external type 1, E2 - OSPF external type 2\r\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\r\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\r\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\r\n       a - application route\r\n       + - replicated route, % - next hop override, p - overrides from PfR\r\n\r\nGateway of last resort is not set\r\n\r\n      10.0.0.0\/8 is variably subnetted, 2 subnets, 2 masks\r\nB        10.10.0.0\/24 is directly connected, 00:05:53, GigabitEthernet1\r\nL        10.10.0.11\/32 is directly connected, GigabitEthernet1\r\n      192.168.0.0\/24 is variably subnetted, 2 subnets, 2 masks\r\nC        192.168.0.0\/24 is directly connected, GigabitEthernet3\r\nL        192.168.0.50\/32 is directly connected, GigabitEthernet3<\/pre>\n
Routing Table: dc1\r\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\r\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \r\n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\r\n       E1 - OSPF external type 1, E2 - OSPF external type 2\r\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\r\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\r\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\r\n       a - application route\r\n       + - replicated route, % - next hop override, p - overrides from PfR\r\n\r\nGateway of last resort is 10.20.100.1 to network 0.0.0.0\r\n\r\nS*    0.0.0.0\/0 [1\/0] via 10.20.100.1\r\n      10.0.0.0\/8 is variably subnetted, 4 subnets, 2 masks\r\nB        10.10.0.0\/24 is directly connected, 00:06:10, GigabitEthernet1\r\nL        10.10.0.11\/32 is directly connected, GigabitEthernet1\r\nC        10.20.100.0\/24 is directly connected, GigabitEthernet2.100\r\nL        10.20.100.10\/32 is directly connected, GigabitEthernet2.100<\/pre>\n
W kolejnym wpisie poka\u017c\u0119 konfiguracj\u0119 VRF na innym urz\u0105dzeniu.<\/p>\n
LAB – Huwaei VRF (vpn-instance)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Ostatnio bardzo du\u017co s\u0142yszymy o wirtualizacji sieci.\u00a0 Warto zatem\u00a0wr\u00f3ci\u0107 do jej podstaw kiedy to ju\u017c wtedy\u00a0w pewien spos\u00f3b „wirtualizacja” by\u0142a stosowana\u00a0na \u00a0urz\u0105dzeniach, na kt\u00f3rych separuje si\u0119 tablice routingu. Separacja ta jest\u00a0ukryta pod nazw\u0105 VRF (Virtual Routing and Forwarding). Drugim wariatem na „wirtualizacj\u0119” jest tworzenie tzw. wirtualnych system\u00f3w czy router\u00f3w. Dzi\u015b, kiedy to routery maj\u0105 du\u017c\u0105 […]<\/p>\n","protected":false},"author":1,"featured_media":319,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Jak skonfigurowa\u0107 VRF'y na urz\u0105dzeniu Cisco CSR1000v","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4,84],"tags":[291,472,287,293,294,288,295,289,290,286,292,285,473],"class_list":["post-1070","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cisco","category-lab","tag-bgpmp","tag-cisco-create-vrf","tag-cisco-vrf","tag-export","tag-import","tag-ip-vrf","tag-ip-vrf-forwarding","tag-mbgp","tag-mp-bgp","tag-rd","tag-route","tag-vrf","tag-vrf-leaking"],"yoast_head":"\nLAB - VRF Cisco - SafeKom Blog<\/title>\n<meta name=\"description\" content=\"Jak skonfigurowa\u0107 VRF na platformie Cisco? 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W dokumentacji VMWare na czas pisania tego wpisu nie znalaz\u0142em za du\u017co informacji o konfiguracji, kt\u00f3r\u0105 poczyni\u0142em poni\u017cej. Mam nadziej\u0119, \u017ce przyda si\u0119 Wam ta wiedza. Co to jest\u2026","rel":"","context":"W \u201eJuniper"","block_context":{"text":"Juniper","link":"https:\/\/www.safekom.pl\/blog\/category\/juniper\/"},"img":{"alt_text":"nsx-t logo","src":"https:\/\/i0.wp.com\/www.safekom.pl\/blog\/wp-content\/uploads\/2020\/04\/vmware-nsx-t.jpg?fit=551%2C218&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.safekom.pl\/blog\/wp-content\/uploads\/2020\/04\/vmware-nsx-t.jpg?fit=551%2C218&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.safekom.pl\/blog\/wp-content\/uploads\/2020\/04\/vmware-nsx-t.jpg?fit=551%2C218&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":112,"url":"https:\/\/www.safekom.pl\/blog\/cisco\/konfiguracja-synchronizacji-czasu-z-ntp-na-urzadzeniach-cisco\/","url_meta":{"origin":1070,"position":5},"title":"Konfiguracja synchronizacji czasu z NTP na urz\u0105dzeniach Cisco","author":"Micha\u0142 Iwa\u0144czuk","date":"05.05.2015","format":false,"excerpt":"Konfiguracja NTP na urz\u0105dzeniach Cisco, na samym dole jest tabelka ze strefami czasowymi. 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