Specifications

HighWire MTP-2 - 1.2, September 4, 2002 CBI Messages: Detailed Description 95
6-3-38. CBI_M2_START The L3 sends this message to L2 to request that it start alignment procedures
with its peer L2 process.
There is no direct response to this message, but if the alignment procedures
succeed, L2 sends a CBI_M2_IN_SERVICE message to the L3.
Data structure.
typedef struct cbi_m2_start
{
CBI_IPS ips_hdr;
} CBI_M2_START;
Parameters.
ips_hdr
ips_hdrips_hdr
ips_hdr
IPS Header. For definition, see Section 6-1-1. The following fields are specified
below:
ips_type
ips_typeips_type
ips_type - IPS_CBI_M2_START.
sender_handle
sender_handlesender_handle
sender_handle - L3’s handle for the join for this link.
receiver_handle
receiver_handlereceiver_handle
receiver_handle - L2’s handle for the join for this link.
6-3-39. CBI_M2_STOP The L3 sends this message to L2 to request that it stop sending data to its
peer L2 process.
There is no response to this message.
Data structure.
typedef struct cbi_m2_stop
{
CBI_IPS ips_hdr;
} CBI_M2_STOP;
Parameters.
ips_hdr
ips_hdrips_hdr
ips_hdr
IPS Header. For definition, see Section 6-1-1. The following fields are specified
below:
ips_type
ips_typeips_type
ips_type - IPS_CBI_M2_STOP.
sender_handle
sender_handlesender_handle
sender_handle - L3’s handle for the join for this link.
receiver_handle
receiver_handlereceiver_handle
receiver_handle - L2’s handle for the join for this link.