Usersofasite-to-siteVPNarereportingperformanceproblems.TheVPNconnectionemploysIPSecandGREandtraversesseveralEthernetsegments.TheVPNpacketsarebeing fragmentedastheytraversethelinks.Whatwouldbetwomethodstoovercomethisproblem？（）
A.EmploypathMTUdiscovery.
B.SettheMTUhigherthan1500bytes.
C.Turnoffpre-fragmentationforIPSec.
D.SettheMTUvalueto1400bytes.

A.TheVPNconnectionemploysIPSecandGREandtraversesseveralEthernetsegments.TheVPNpacketsarebeing
B.Whatwouldbetwomethodstoovercomethisproblem？（）
A.EmploypathMTUdiscovery.
C.SettheMTUhigherthan1500bytes.
D.Turnoffpre-fragmentationforIPSec.
E.SettheMTUvalueto1400bytes.

【参考答案】

A, D