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Cisco uBR7200�V���[�Y�Ή�CNR�̊T�v

���̏͂́ACisco Network Registrar�iCNR�j�}�j���A����⑫������̂ŁACisco uBR7200�V���[�Y �����CMTS�Ǘ��Ɋւ���P�[�u���ŗL�̂��̑��̎菇�������܂��B

CNR�̏ڍׂɂ‚��ẮACisco.com�ɂ���ȉ��̃}�j���A�����Q�Ƃ��Ă��������B

CNR�ɂ‚���

CNR�́A����Windows NT�܂���Solaris 2.6�ʼnғ����̃_�C�i�~�b�NIP�A�h���X�Ǘ��V�X�e���ŁADynamic Host Configuration Protocol�iDHCP;���I�z�X�g����v���g�R���j���g�p���āA�L�ш�l�b�g���[�N��̃P�[�u�� �C���^�[�t�F�C�X�APC�A����т��̑��̃f�o�C�X��IP�A�h�o�C�X�����蓖�Ă܂��BCNR�c�[���ɂ́A�P�[�u�� �V�X�e���Ǘ��҂��X��DHCP�I�v�V�������`����ѕ\�����A�l�b�g���[�N��̋@���ID�܂��̓^�C�v���`���A�@����K��N���X�܂��̓O���[�v�Ɋ��蓖�Ă邱�Ƃ��ł���悤�ɁA�X�N���v�g�g�����܂܂�Ă��܂��B

CNR�c�[�����g�p���邱�ƂŁA�P�[�u�� �V�X�e���Ǘ��҂́A�񋟂���|���V�[���w��ł��܂��B

�P�[�u�� �V�X�e���Ǘ��҂́ACNR�c�[������� �X�N���v�g�̊T�v �̍��œ��肳��Ă���g���X�N���v�g���g�p���āA�e����҃T�C�g�ŃT�|�[�g����T�[�r�X����уR���t�B�M�����[�V�����Ɋ�Â����A�l�b�g���[�N����ъe �P�[�u�� �C���^�[�t�F�C�X�p�́A�X�R�[�v�i�L��͈́j�A�|���V�[�A����уI�v�V�������w��ł��܂��B

�P�[�u�� �V�X�e���Ǘ��҂́A�W���I�v�V�����̂��ׂĂɃV�X�e�� �f�t�H���g �|���V�[���`���A�P�[�u�� �C���^�[�t�F�C�X�ȂǁA����̃T�u�l�b�g�Ɋ֘A����I�v�V�����ɂ‚��Ă̓X�R�[�v�ŗL�|���V�[���g�p���܂��B ����ɂ���āADHCP��IP�A�h���X�ŏ��𑗐M�ł��܂��B

�X�N���v�g�p�ɂ�7�‚̃G���g�� �|�C���g������܂��B

CM DHCP�����t�B�[���h

�L�ш�l�b�g���[�N��̊e�P�[�u�� �C���^�[�t�F�C�X�ɂ́ADHCP�������Ɏ��̃t�B�[���h���K�v�ɂȂ�܂��B

DOCSIS DHCP�̃t�B�[���h

DOCSIS DHCP�̃I�v�V�����v���ɂ͎��̂��̂�����܂��B

DHCP�����[ �I�v�V�����iDOCSIS Option 82�j

DOCSIS Option 82�́ACPE�f�o�C�X�܂��͑Ή�����u�N���C�A���g�v����P�[�u�� �C���^�[�t�F�C�X����ʂ��邽�߂ɁADHCPDISCOVER�p�P�b�g���C�����܂��BDOCSIS Option 82�́A����2�‚̃T�u�I�v�V��������Ȃ�܂��B

Type 1 (1 byte)

Len 4 (1 byte)

Value (8 bytes)

<bit 31,30,....................0)

<xYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY>

MSB�́A�ڑ����u���P�[�u�� �C���^�[�t�F�C�X���ǂ����������܂��B

x=1 Cable Modem REQ

x=0 CPE device

�i�T�u�I�v�V����2�Ɏ�����Ă���P�[�u�� �C���^�[�t�F�C�X MAC�A�h���X���������P�[�u�� �C���^�[�t�F�C�X�̗��j

CMTS�C���^�[�t�F�C�X�ւ�SNMP�C���f�b�N�X�́A�c��̃r�b�g�ō\������Ă��܂��B

Y=0xYYYYYYY ��CMTS�C���^�[�t�F�C�X�ւ�SNMP�C���f�b�N�X�ł��B

Type 2 (1 byte)

Len 6 (1 byte)

Value xxxx.xxxx.xxxx (6 bytes)

�X�N���v�g�̊T�v

�����ł́A�P�[�u�� �C���^�[�t�F�C�X�̃R���t�B�M�����[�V�����ɓK�p�”\�ȃX�N���v�g�������܂��B

�o���CM�̃X�N���v�g

����҃T�C�g�őo���R���t�B�M�����[�V�������T�|�[�g����ꍇ�́A���̃X�N���v�g���g�p���܂��B

Telco���^�[�� �P�[�u�� ���f���̃X�N���v�g

Telco���^�[���Ƒo���P�[�u�� �C���^�[�t�F�C�X �R���t�B�M�����[�V�����𓯂��P�[�u�� �C���^�[�t�F�C�X �J�[�h�܂��̓V���[�V��ŃT�|�[�g����ꍇ�́A���̃X�N���v�g���g�p���܂��B

�X�N���v�g�̔z�u

Windows NT

Windows NT��ʼnғ�����CNR�̏ꍇ�́A�K�؂ȃX�N���v�g�����̃f�B���N�g���ɒu���Ă��������B

\program files\network registrar\extensions\dhcp\scripts\tcl

Solaris

Solaris��ʼnғ�����CNR�̏ꍇ�́A�K�؂ȃX�N���v�g�����̃f�B���N�g���ɒu���Ă��������B

/opt/nwreg2/extensions/dhcp/scripts/tcl

CNR���̃X�N���v�g�̃A�N�e�B�u��

�K�؂ȃf�B���N�g���ɒu������A���̎菇�ŃX�N���v�g���A�N�e�B�u�ɂ��܂��B

  1. �e�L�X�g �G�f�B�^���J���܂��B
  2. nrcmd>�R�}���h �v�����v�g����X�N���v�g��1�‚��J���܂��B
  3. �g���|�C���g���쐬���A�V�X�e���ɕt�����܂��B
  4. �X�N���v�g�̃R�}���h���C����nrcmd>�̃R�}���h���C���ցA�J�b�g&�y�[�X�g����̂���ԊȒP�ȕ�@�ł��B
  1. �g���|�C���g���쐬���ĕt��������Adhcp�����[�h�����s���܂��B

�X�N���v�g�̓A�N�e�B�u�ł��B

Cisco uBR7200�V���[�Y��ݒ肵�ăX�N���v�g���g�p�����@

�e�P�[�u�� �C���^�[�t�F�C�X�́ABOOTP�t�H���[�_�Ƃ��Đݒ肵�A�����[ �I�v�V�������C�l�[�u���ɂ��Ă����K�v������܂��B�e�P�[�u�� �C���^�[�t�F�C�X�̃v���C�}������уZ�J���_��IP�A�h���X�́ACNR�c�[���Ɠ���Ă��Ȃ���΂Ȃ�܂���B

�V�X�e���ɑg�ݍ��܂ꂽ�X�N���v�g�Ɛ������ʐM�ł���悤�ɂ��邽�߂ɁACisco uBR7200�V���[�Y ���j�o�[�T�� �u���[�h�o���h ���[�^��Ŏ��̃R�}���h���������܂��B

cable relay-agent-option

Cisco uBR7200�V���[�Y���Option 82���C�l�[�u���ɂ��܂��B

ip dhcp relay info option

no ip dhcp relay information option check

�V�X�e�� �f�t�H���g �|���V�[�̐ݒ�

���̋@��p�ɁA���Ɏ����I�v�V�������V�X�e�� �f�t�H���g �|���V�[�ɒlj����܂��B

CM

CNR�c�[���̃}�j���A���̎w���ɏ]���āA���̂悤�Ȑݒ�����`���܂��B

PC

CNR�c�[���̃}�j���A���̎w���ɏ]���āA���̂悤�Ȑݒ�����`���܂��B

�X�R�[�v�I���^�O�̍쐬

�T�v

�X�R�[�v�I���^�O���쐬����菇�́A���̂Ƃ���ł��B

  1. �X�R�[�vselection tag create�R�}���h���X�N���v�g����nrcmd>�R�}���h���C���փJ�b�g&�y�[�X�g���܂��B
    �����̖��O�́A�X�N���v�g�ɋL�ڂ���Ă���Ƃ���łȂ���΂Ȃ�܂���B
  1. ���ɁA�I���^�O��K�؂ȃX�N���v�g�ɕt�����܂��B

���ɗ�������܂��B

CM_Scope tagCablemodem

PC_Scope tagComputer

Telco���^�[��

  1. �^�OTelcocablemodem���v���C�}���̃P�[�u�� �C���^�[�t�F�C�X �X�R�[�v�ɒu���A����ɂ��̃v�[������A�h���X�����o���܂��B
  2. ��L�̎菇�ɏ]���܂����ATelco���^�[�� �|���V�[���g�p���܂��B �����Telco�ŗL�R�}���h���w�肳�ꂽ�ʂ�.cm�t�@�C���������Ă��܂��B

�l�b�g���[�N �X�R�[�v�̍쐬

���ɁA�l�b�g���[�N�p�ɃX�R�[�v���쐬�����������܂��B���̗�ł́A2���Cisco uBR7200�V���[�Y ���j�o�[�T�� �u���[�h�o���h ���[�^�����ꂼ��ʂ̏ꏊ�ɂ���A1���Cisco uBR7200�V���[�Y�ɓ��ڂ��ꂽ�P�[�u�� �C���^�[�t�F�C�X�J�[�h�́ATelco���^�[���Ή��Ƃ��Đݒ肳��Ă�����̂Ƃ��܂��B

cm-toledo1_2-0 10.2.0.0 255.255.0.0 assignable 10.2.0.10-10.2.254.254 tagCablemodem tagTelcomodem Default GW=10.2.0.1 (assigned by scripts)

cm-toledo1_3-0 10.3.0.0 255.255.0.0 assignable 10.3.0.10-10.3.254.254 tagCablemodem tagTelcomodem Default GW=10.3.0.1 (assigned by scripts)

pc-toledo1_2-0 208.16.182.0 255.255.255.248 assignable 208.16.182.2-208.16.182.6 tagComputer Default GW=208.16.182.1 (assigned by scripts)

pc-toledo1_3-0 208.16.182.8 255.255.255.248 assignable 208.16.182.10-208.16.182.14 tagComputer Default GW=208.16.182.9 (assigned by scripts)

telco_return_2-0 192.168.1.0 255.255.255.0 (No assignable addresses, tag was put on cable modem primary scope to force telco-return cable modem to pull address from primary scope)

cm-arlington1_2-0 10.4.0.0 255.255.0.0 assignable 10.4.0.10-10.4.254.254 tagCablemodem Default GW=10.4.0.1 (assigned by scripts)

cm-arlington1_3-0 10.5.0.0 255.255.0.0 assignable 10.5.0.10-10.5.254.254 tagCablemodem Default GW=10.5.0.1 (assigned by scripts)

pc-arlington1_2-0 208.16.182.16 255.255.255.248 assignable 208.16.182.17-208.16.182.22 tagComputer Default GW=208.16.182.17 (assigned by scripts)

pc-toledo1_3-0 208.16.182.24 255.255.255.248 assignable 208.16.182.2-208.16.182.30 tagComputer Default GW=208.16.182.25 (assigned by scripts)

CoS�p�|���V�[�܂���CM Cisco IOS�C���[�W �A�b�v�O���[�h�p�|���V�[�̍쐬

Class of Service�iCoS;�T�[�r�X �N���X�j���T�|�[�g����ɂ́A���L���`���܂��B

CoS�����蓖�Ă邩�A�܂���Option 82���g�p����ꍇ�́AMAC�A�h���X�ŃN���C�A���g �G���g�����쐬���A�K�؂ȃ|���V�[���w���܂��B�N���C�A���g �x�[�X��MAC�v���r�W���j���O���g�p����ꍇ�́A�N���C�A���g �G���g��[default - exclude]��lj����A�N���C�A���g �^�u�̂��ׂĂ̋@��i���Ƃ��΁A�P�[�u�� �C���^�[�t�F�C�X��PC�j��MAC�A�h���X����A�K�؂ȃ^�O�ȂǁA�g�p����|���V�[��I�����܂��B

CNR�ŃT�u�C���^�[�t�F�C�X���T�|�[�g���邽�߂̎菇

CNR�̐ݒ�́A�T�u�C���^�[�t�F�C�X��ݒ肷�邩�ǂ����ŕ�@���قȂ�܂��B��������܂��BCisco uBR7200�V���[�Y���ISP�T�u�C���^�[�t�F�C�X��2�A�Ǘ��p�T�u�C���^�[�t�F�C�X��1�ݒ肵�Ă���ꍇ�A�Ǘ��p�T�u�C���^�[�t�F�C�X���ŏ��ɐݒ肳�ꂽ�T�u�C���^�[�t�F�C�X�łȂ���΂Ȃ�܂���B�P�[�u�� �C���^�[�t�F�C�X3�ic3/0�j���g�p����ꍇ�A3�‚̃T�u�C���^�[�t�F�C�X�Ƃ���c3/0.1�Ac3/0.2�A�����c3/0.3���쐬���A�Ǘ��p�T�u�C���^�[�t�F�C�X�Ƃ���c3/0.1���ŏ��ɐݒ肵�܂��B

CNR�ł��̂悤�Ȑݒ�����s����ɂ́A���̍�Ƃ��K�v�ł��B

  1. isp1-cm-tag ����� isp2-cm-tag�̂悤��2�‚̃X�R�[�v�I���^�O���쐬���܂��B
  2. mgmt-scope�Aisp1-cm-scope�Aisp2-cm-scope�ȂǁA3�‚̃X�R�[�v��ݒ肵�Aisp1-cm-scope�����isp2-cm-scope�ł��ꂼ��A�v���C�}�� �X�R�[�v�Ƃ���mgmt-scope���`���܂��B
  3. ����ɁAISP�̂��ꂼ��ɑΉ�����PC�p�ɁA�X�R�[�v��2�iisp1-pc-scope�����isp2-pc-scope�j�ݒ肵�܂��B�X�R�[�visp1-cm-scope�ɂ́A�X�R�[�v�I���^�O�Ƃ��� isp1-cm-tag��ݒ肵�܂��B�X�R�[�visp2-cm-scope�ɂ́A�X�R�[�v�I���^�O�Ƃ���isp2-cm-tag��ݒ肵�܂��B
  4. �N���C�A���g �N���X��2�ݒ肵�܂��iisp1-client-class�Aisp2-client-class�Ȃǁj�B
  5. ISP1�ɑ���CM��MAC�A�h���X���w�肵�ăN���C�A���g �G���g�����쐬���A�����̃G���g����isp1-client-class�Ɋ��蓖�Ă܂��B����ɁA�X�R�[�v�I���^�Oisp1-cm-tag�����蓖�Ă܂��B
  6. ISP2�ɑ���CM�p�̃N���C�A���g �G���g�����쐬���A�����̃G���g����isp2-client-class�Ɋ��蓖�Ă܂��B����ɁA�X�R�[�v�I���^�Oisp2-cm-tag�����蓖�Ă܂��B
  7. �X�R�[�v�I���^�O �E�B���h�E����N���C�A���g �N���X�������C�l�[�u���ɂ��܂��B
  8. �\�t�g�E�F�A��DHCP��������W���āA���ۂ̏�����T�u�C���^�[�t�F�C�X�𔻕ʂ���̂ŁA�����̃T�u�C���^�[�t�F�C�X��ŃI�[�o���b�v����A�h���X�͈͂�ݒ肷�邱�Ƃ͂ł��܂���BCNR�̓I�[�o���b�v����A�h���X�͈̓X�R�[�v���w�肵�Đݒ�ł��܂����A�����̃X�R�[�v����A�h���X�����蓖�Ă邱�Ƃ͂ł��܂���B

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