public与vpn-instance之间路由问题

想请教一下，如果是ospf的话该如何做才能实现public和vpn实例之间的互通呢weibo.com/ttarticle/p/show?id=2309405159071602049099weibo.com/ttarticle/p/show?id=2309405159071559843982weibo.com/ttarticle/p/show?id=2309405159071534678098weibo.com/ttarticle/p/show?id=2309405159071496929490weibo.com/ttarticle/p/show?id=2309405159071476220480weibo.com/ttarticle/p/show?id=2309405159071434277448weibo.com/ttarticle/p/show?id=2309405159071421694123weibo.com/ttarticle/p/show?id=2309405159071375294515weibo.com/ttarticle/p/show?id=2309405159071362711807weibo.com/ttarticle/p/show?id=2309405159071312642336weibo.com/ttarticle/p/show?id=2309405159071308185655weibo.com/ttarticle/p/show?id=2309405159071249728156weibo.com/ttarticle/p/show?id=2309405159071249465563weibo.com/ttarticle/p/show?id=2309405159071191007543weibo.com/ttarticle/p/show?id=2309405159071191007274weibo.com/ttarticle/p/show?id=2309405159071136481359weibo.com/ttarticle/p/show?id=2309405159071128093048weibo.com/ttarticle/p/show?id=2309405159071081955360weibo.com/ttarticle/p/show?id=2309405159071064916233weibo.com/ttarticle/p/show?id=2309405159071019041095weibo.com/ttarticle/p/show?id=2309405159071006457952weibo.com/ttarticle/p/show?id=2309405159070960058672weibo.com/ttarticle/p/show?id=2309405159070943281293weibo.com/ttarticle/p/show?id=2309405159070905532478weibo.com/ttarticle/p/show?id=2309405159070884560905weibo.com/ttarticle/p/show?id=2309405159070846812255weibo.com/ttarticle/p/show?id=2309405159070821646463weibo.com/ttarticle/p/show?id=2309405159070788354257weibo.com/ttarticle/p/show?id=2309405159070758731988weibo.com/ttarticle/p/show?id=2309405159070729634097weibo.com/ttarticle/p/show?id=2309405159070695817386weibo.com/ttarticle/p/show?id=2309405159070674845890weibo.com/ttarticle/p/show?id=2309405159070637096983weibo.com/ttarticle/p/show?id=2309405159070616125662weibo.com/ttarticle/p/show?id=2309405159070574182556weibo.com/ttarticle/p/show?id=2309405159070557405496weibo.com/ttarticle/p/show?id=2309405159070511268059weibo.com/ttarticle/p/show?id=2309405159070498685210weibo.com/ttarticle/p/show?id=2309405159070448353521weibo.com/ttarticle/p/show?id=2309405159070439964948weibo.com/ttarticle/p/show?id=2309405159070389633026weibo.com/ttarticle/p/show?id=2309405159070385701046weibo.com/ttarticle/p/show?id=2309405159070326980911weibo.com/ttarticle/p/show?id=2309405159070326718558weibo.com/ttarticle/p/show?id=2309405159070272192662weibo.com/ttarticle/p/show?id=2309405159070264066237weibo.com/ttarticle/p/show?id=2309405159070213472564weibo.com/ttarticle/p/show?id=2309405159070205083668weibo.com/ttarticle/p/show?id=2309405159070158946394weibo.com/ttarticle/p/show?id=2309405159070142169153weibo.com/ttarticle/p/show?id=2309405159070100488668weibo.com/ttarticle/p/show?id=2309405159070079516857weibo.com/ttarticle/p/show?id=2309405159070045962304weibo.com/ttarticle/p/show?id=2309405159070016602344weibo.com/ttarticle/p/show?id=2309405159069987242159weibo.com/ttarticle/p/show?id=2309405159069953687763weibo.com/ttarticle/p/show?id=2309405159069928521914weibo.com/ttarticle/p/show?id=2309405159069894967356weibo.com/ttarticle/p/show?id=2309405159069869801523weibo.com/ttarticle/p/show?id=2309405159069831790802weibo.com/ttarticle/p/show?id=2309405159069810819241weibo.com/ttarticle/p/show?id=2309405159069768876214weibo.com/ttarticle/p/show?id=2309405159069752361370weibo.com/ttarticle/p/show?id=2309405159069705961707weibo.com/ttarticle/p/show?id=2309405159069693378753weibo.com/ttarticle/p/show?id=2309405159069643047043weibo.com/ttarticle/p/show?id=2309405159069639114804weibo.com/ttarticle/p/show?id=2309405159069580394747weibo.com/ttarticle/p/show?id=2309405159069580132528weibo.com/ttarticle/p/show?id=2309405159069521674533weibo.com/ttarticle/p/show?id=2309405159069517480245weibo.com/ttarticle/p/show?id=2309405159069462692143weibo.com/ttarticle/p/show?id=2309405159069454565998weibo.com/ttarticle/p/show?id=2309405159069408428156weibo.com/ttarticle/p/show?id=2309405159069391388998weibo.com/ttarticle/p/show?id=2309405159069349445809weibo.com/ttarticle/p/show?id=2309405159069332930572weibo.com/ttarticle/p/show?id=2309405159069290987932weibo.com/ttarticle/p/show?id=2309405159069269753883weibo.com/ttarticle/p/show?id=2309405159069232267764weibo.com/ttarticle/p/show?id=2309405159069207101529weibo.com/ttarticle/p/show?id=2309405159069169353039weibo.com/ttarticle/p/show?id=2309405159069143924867weibo.com/ttarticle/p/show?id=2309405159069110633044weibo.com/ttarticle/p/show?id=2309405159069081010356weibo.com/ttarticle/p/show?id=2309405159069055844382weibo.com/ttarticle/p/show?id=2309405159069022290034weibo.com/ttarticle/p/show?id=2309405159068997386457weibo.com/ttarticle/p/show?id=2309405159068963569764weibo.com/ttarticle/p/show?id=2309405159068938403850weibo.com/ttarticle/p/show?id=2309405159068905111588weibo.com/ttarticle/p/show?id=2309405159068879683620weibo.com/ttarticle/p/show?id=2309405159068841934998weibo.com/ttarticle/p/show?id=2309405159068821225806weibo.com/ttarticle/p/show?id=2309405159068779283054weibo.com/ttarticle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