Bây giờ kết nối với RouterB. Sử dụng chương trình IPX máy chủ lệnh để xem tất cả các máy chủ IPX được biết đến RouterB. RouterB biết về hai máy chủ IPX. Đây là hai máy chủ (server1 và server2) mà chúng ta định nghĩa cố định trên RouterB. | Se0 0 Now connect to RouterB. Use the show ipx servers command to view all IPX servers known to RouterB. RouterB knows about two IPX servers. These are the two servers Server1 and Server2 that we statically defined on RouterB. Why does RouterB not know about the IPX server Server4 that is statically defined on RouterA Once again the answer is split horizon. The static SAP entry on RouterA points to IPX Network 4. The static SAP entry on RouterA is treated as if it were learned from RouterB since RouterB is the next hop towards IPX Network 4. Thus RouterA will not send the static SAP entry to RouterB since it thinks that the entry came from RouterB in the first place. RouterB show ipx servers Codes S - Static P - Periodic E - EIGRP N - NLSP H - Holddown detail 2 Total IPX Servers Table ordering is based on routing and server info Type Name Net Address Port Route Hops Itf S 4 Server1 0451 2195456 01 1 Se0 1 S 7 Server2 0451 2195456 01 1 Se0 1 Now let s connect to RouterC. The show ipx servers command shows us that RouterC knows about two IPX servers Server1 and Server2 . These are the two servers that were statically defined on RouterB. RouterB will advertise these server entries to RouterC because RouterB treats the static entries as if they were learned from RouterA. Thus RouterB is allowed to send the static SAP entries to RouterC without violating the split horizon rule. RouterC show ipx servers Codes S - Static P - Periodic E - EIGRP N - NLSP H - Holddown detail 2 Total IPX Servers Table ordering is based on routing and server info Type Name Net Address Port Route Hops Itf E 4 Server1 0451 2707456 01 2 Se0 0 E 7 Server2 0451 2707456 01 2 Se0 0 Let s turn on SAP debugging with the debug ipx sap events and debug ipx sap activity commands. Remember to also use the term mon command to direct the debug output to your terminal if you are not connected to the console port of the router. RouterC debug .
