以下是使用E1线路实现多个64kBit/s专线连接。
当链路为t1时，ChAnnEl-group编号为0-23，timEslot范围为1-24；当链路为E1时，ChAnnEl -group编号为0～30，timEslot范围为1～31．
路由器具体设置如下：
CurrEnt ConFigurAtion：
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vErsion 11.2
no sErviCE uDp-smAll-sErvErs
no sErviCE tCp-smAll-sErvErs
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hostnAmE routEr1
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EnABlE sECrEt 5 $ 1 $ xn08 $ ttr8nFlop9.2rszhCBzkk/
EnABlE pAssworD CisCo
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ip suBnEt-zEro
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ControllErE1 0
FrAming no-CrC4
ChAnnEl-group 0 timEslots 1
ChAnnEl-group 1 timEslots 2
ChAnnEl-group 2 timEslots 3
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intErFACEEthErnEt0
ip ADDrEss 133.118.40.1 255.255.0.0
mEDiA-typE 10BAsEt
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intErFACEEthErnEt1
no ip ADDrEss
shutDown
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intErFACE sEriA10:0
ip ADDrEss202.119.96.1 255.255.255.252
EnCApsulAtion hDlC
no ip mroutE-CAChE
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intErFACE sEFiA10:1
ip ADDrEss 202.119.96.5 255.255.255.252
EnCApsulAtion hDlC
no ip mroutE-CAChE
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intErFACE sEriA10:2
ip ADDrEss 202.119.96.9 255.255.255.252
EnCApsulAtion hDlC
no ip mroutE-CAChE
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no ip ClAsslEss
ip routE 133.210.40.0 255.255.255.0 sEriA10:0
ip routE 133.210.41.0 255.255.255.0 sEriA10:1
ip routE 133.210.42.0 255.255.255.0 sEriA10:2
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linE Con 0
linE Aux 0
linE vty 0 4
pAssworD CiCso
login
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EnD
E、CEllspACing=0 CEllpADDing=0 wiDth="100%" BorDEr=0> 【问题2】解释配置中画线部分内容含义。