User manual

Nortel Secure Router 8000 Series
Configuration -WAN Access
Issue 5.3 (30 March 2009)
Nortel Networks Inc.
iii
3.4.7 Configuring cable mode of CT1 interface.......................................................................................3-18
3.4.8 Checking the configuration .............................................................................................................3-19
3.5 Configuring CE3 interfaces.......................................................................................................................3-20
3.5.1 Establishing the configuration task .................................................................................................3-20
3.5.2 Configuring working mode of CE3 interface..................................................................................3-20
3.5.3 Configuring clock mode of CE3 interface.......................................................................................3-21
3.5.4 Configuring national bit of CE3 interface.......................................................................................3-21
3.5.5 Checking the configuration .............................................................................................................3-22
3.6 Configuring CE1channels of CE3 interfaces.............................................................................................3-22
3.6.1 Establishing the configuration task .................................................................................................3-22
3.6.2 Configuring working mode of CE1 channel....................................................................................3-23
3.6.3 Configuring clock mode of CE1 channel ........................................................................................3-24
3.6.4 Configuring Frame Format of CE1 Channel...................................................................................3-24
3.6.5 Disabling or enabling CE1 channel.................................................................................................3-25
3.6.6 Checking the configuration .............................................................................................................3-25
3.7 Configuring synchronous serial interfaces ................................................................................................3-26
3.7.1 Establishing the configuration task .................................................................................................3-26
3.7.2 Configuring attribute parameters of synchronous serial interface...................................................3-27
3.7.3 Configuring link layer protocol of synchronous serial interface .....................................................3-28
3.7.4 Configuring hold-interval of the link layer protocol of the synchronous serial interface................3-28
3.7.5 Checking the configuration .............................................................................................................3-29
3.8 Maintaining e-carrier and t-carrier interface..............................................................................................3-30
3.8.1 Resetting interface statistics ............................................................................................................3-30
3.8.2 Setting loopback to detect whether the interface is normal.............................................................3-30
3.9 Configuration examples.............................................................................................................................3-30
3.9.1 Example for configuring communication over CE1 interfaces bundle ...........................................3-31
3.9.2 Example for configuring communication over E1 interfaces Bundle .............................................3-34
3.9.3 Example for configuring CE3 interfaces.........................................................................................3-38
4 POS and CPOS interface configuration.................................................................................4-1
4.1 Introduction .................................................................................................................................................4-2
4.1.1 SONET..............................................................................................................................................4-2
4.1.2 SDH...................................................................................................................................................4-2
4.1.3 POS ...................................................................................................................................................4-6
4.1.4 CPOS.................................................................................................................................................4-6
4.2 Configuring POS interfaces.........................................................................................................................4-9
4.2.1 Establishing the configuration task ...................................................................................................4-9
4.2.2 Configuring link layer protocol.......................................................................................................4-10
4.2.3 Configuring clock mode..................................................................................................................4-10
4.2.4 Configuring overhead bytes ............................................................................................................4-11
4.2.5 Configuring frame format ...............................................................................................................4-11
4.2.6 Configuring scramble function........................................................................................................4-12