R3303-HP HSR6800 Routers Layer 2 - WAN Configuration Guide

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Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter VT interface view.
interface virtual-template
virtual-template-number
By default, no VT interface is
created.
3. Initiate an IMSI or SN
negotiation request.
ppp lcp { imsi | sn } request
By default, no IMSI or SN
negotiation request is initiated.
4. Configure a separator for
splitting the peer username
during negotiation.
ppp user accept-format imsi-sn
split splitchart
Optional.
By default, no separator is
configured.
If IMSI/SN information fails to be
negotiated, the split IMSI/SN
information is used.
5. Replace the username with
IMSI or SN information for
authentication during
negotiation.
ppp user replace { imsi | sn }
Optional.
By default, the username is used for
authentication.
Configuring the L2TP client
To enable the L2TP client to negotiate the IMSI or SN with the LNS:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter VT interface view.
interface virtual-template
virtual-template-number
By default, no VT interface is
created.
3. Accept the IMSI or SN
negotiation request from the
LNS.
ppp lcp { imsi | sn } accept
By default, an L2TP client does not
accept an IMSI or SN negotiation
request.
4. Configure IMSI or SN
information.
ppp lcp { imsi | sn } string info
Optional.
By default, IMSI or SN information
is obtained from the router.
5. Configure a separator for the
username sent for
authentication during
negotiation.
ppp user attach-format imsi-sn
split splitchart
Optional.
By default, no separator is
configured.
Configuring L2TP connection parameters
These L2TP connection parameter configuration tasks apply to both LACs and LNSs and are optional.
Configuring L2TP tunnel authentication
You can enable tunnel authentication to allow the LAC and LNS to authenticate each other. Either the
LAC or the LNS can initiate a tunnel authentication request. To implement tunnel authentication, enable
tunnel authentication on both the LAC and LNS, and configure the same non-null key on them.