{"id":429,"date":"2018-10-26T21:46:22","date_gmt":"2018-10-26T21:46:22","guid":{"rendered":"http:\/\/feralpacket.org\/?p=429"},"modified":"2018-10-26T21:46:22","modified_gmt":"2018-10-26T21:46:22","slug":"mpls-layer-2-vpn-mpls-l2vpn-notes","status":"publish","type":"post","link":"https:\/\/feralpacket.org\/?p=429","title":{"rendered":"MPLS Layer 2 VPN (MPLS L2VPN) Notes"},"content":{"rendered":"

MPLS Layer 2 VPN (MPLS L2VPN)<\/span><\/p>\n

– Point-to-point<\/p>\n

\u00a0 \u00a0 \u00a0-> Any Transport over MPLS (AToM)<\/p>\n

\u00a0 \u00a0 \u00a0-> L2TPv3<\/p>\n

\u00a0– Point-to-multipoint<\/p>\n

\u00a0 \u00a0 \u00a0-> Virtual Private LAN Service (VPLS)<\/p>\n

\u00a0– Used to transport layer 2 payloads transparently<\/p>\n

\u00a0 \u00a0 \u00a0-> HDLC<\/p>\n

\u00a0 \u00a0 \u00a0-> PPP<\/p>\n

\u00a0 \u00a0 \u00a0-> ATM<\/p>\n

\u00a0 \u00a0 \u00a0-> Frame-relay<\/p>\n

\u00a0 \u00a0 \u00a0-> Ethernet<\/p>\n

L2VPN Label<\/p>\n

\u00a0– Label exchange between PE routers<\/p>\n

Transport Label<\/p>\n

\u00a0– Label to reach next-hop<\/p>\n

Targeted\u00a0LDP<\/p>\n

\u00a0– Multihop LDP session<\/p>\n

\u00a0 \u00a0 \u00a0-> Uses LDP router-ids to form TCP connection<\/p>\n

\u00a0– Pseudowire-id<\/p>\n

\u00a0 \u00a0 \u00a0-> 32 bit number which must match on both PE routers for a single connection<\/p>\n

int fa0\/0<\/span><\/p>\n

\u00a0 \u00a0 \u00a0-> Attachment circuit<\/p>\n

\u00a0xconnect <remote LDP router-id> <pseudowire-id> encapsulation mpls<\/span><\/p>\n

Ethernet Configuration<\/span><\/p>\n

R1(config)# int fa0\/0<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0xconnect 3.3.3.3 100 encapsulation mpls<\/span><\/p>\n

R3(config)# int fa0\/0<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0xconnect 1.1.1.1 100 encapsulation mpls<\/span><\/p>\n

sh mpls l2transport vc <id> [detail]<\/p>\n

PPP Configuration<\/span><\/p>\n

R1(config)# int s0\/1<\/span><\/p>\n

\u00a0encap ppp<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0xconnect 3.3.3.3 100 encapsulation mpls<\/span><\/p>\n

R3(config)# int s0\/1<\/span><\/p>\n

\u00a0encap ppp<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0xconnect 1.1.1.1 100 encapsulation mpls<\/span><\/p>\n

HDLC Configuration<\/span><\/p>\n

R1(config)# int s0\/1<\/span><\/p>\n

\u00a0encap hdlc<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0xconnect 3.3.3.3 encapsulation mpls<\/span><\/p>\n

R3(config)# int s0\/1<\/span><\/p>\n

\u00a0encap hdlc<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0xconnect 1.1.1.1 encapsultation mpls<\/span><\/p>\n

FRoAToM<\/span><\/p>\n

\u00a0– Frame-relay over AToM<\/p>\n

R1(config)# int s0\/1<\/span><\/p>\n

\u00a0no ip add<\/span><\/p>\n

\u00a0encap frame-relay<\/span><\/p>\n

\u00a0frame-relay intf-type dce<\/span><\/p>\n

\u00a0exit<\/span><\/p>\n

int s0\/1 100 l2transport<\/span><\/p>\n

\u00a0 \u00a0 \u00a0-> 100 = DLCI<\/p>\n

\u00a0xconnect 3.3.3.3 200 encapsulation<\/span><\/p>\n

\u00a0 \u00a0 \u00a0-> 200 = pseudowire-id<\/p>\n

R4(config)# int s0\/0<\/span><\/p>\n

\u00a0encap frame-relay<\/span><\/p>\n

\u00a0ip add 10.0.0.4 255.0.0.0<\/span><\/p>\n

\u00a0frame-relay ip 10.0.0.5 100 broadcast<\/span><\/p>\n

\u00a0 \u00a0 \u00a0-> 100 = DLCI<\/p>\n

\u00a0 \u00a0 \u00a0-> broadcast (optional)<\/p>\n

Pseudowire Class<\/span><\/p>\n

\u00a0– Set of AToM \/ L2TPv3 specific parameters which are applied to xconnect<\/p>\n

pseudowire-class <name><\/span><\/p>\n

\u00a0encapsulation { mpls | l2tpv3 }<\/span><\/p>\n

\u00a0control-word<\/span><\/p>\n

\u00a0 \u00a0 \u00a0-> Keeps properties of client and sent to the other end<\/p>\n

\u00a0 \u00a0 \u00a0-> Similar to extended communities in BGP<\/p>\n

\u00a0 \u00a0 \u00a0-> Used by some layer 2 protocols<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 -> Frame-relay<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0– FECN<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0– BECN<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0-DE-bits<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 -> ATM<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0– Cell loss priority (CLP)<\/p>\n

int fa0\/0<\/span><\/p>\n

\u00a0xconnect <ip add> <pw-id> pw-class <name><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

MPLS Layer 2 VPN (MPLS L2VPN)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[36,32,31],"class_list":["post-429","post","type-post","status-publish","format-standard","hentry","category-ccie","tag-l2vpn","tag-mpls","tag-published"],"_links":{"self":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=429"}],"version-history":[{"count":1,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/429\/revisions"}],"predecessor-version":[{"id":450,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/429\/revisions\/450"}],"wp:attachment":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}