BROCADE IP PRIMER

BI4XGBI24CT X RX T X RX T X RX T X RXBI4XGBI24CT X RX T X RX T X RX T X RXBI24C6 12 18 2430 36 42 48BI24CBigIron RX-8NETWORKS1 7 13 1925 31 37 43BI24CBI24CBI24CBI24CT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXAC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMBI4XGBI24CT X RX T X RX T X RX T X RXBI4XGBI24CT X RX T X RX T X RX T X RXBI24C6 12 18 2430 36 42 48BI24CBigIron RX-8NETWORKS1 7 13 1925 31 37 43BI24CBI24CBI24CBI24CAC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMBI4XGBI24CT X RX T X RX T X RX T X RXBI4XGBI24CT X RX T X RX T X RX T X RXBI24C6 12 18 2430 36 42 48BI24CBigIron RX-8NETWORKS1 7 13 1925 31 37 43BI24CBI24CBI24CBI24CBI4XGBI4XGBI4XGBI4XGT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXAC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMBI4XGBI4XGEJECT SYSEJECT SYSEJECT SYSBI4XGBI24CT X RX T X RX T X RX T X RXBI4XGBI24CT X RX T X RX T X RX T X RXBI24C6 12 18 2430 36 42 48BI24CBigIron RX-8NETWORKS1 7 13 1925 31 37 43BI24CBI24CBI24CBI24CT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXAC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMBI4XGBI24CT X RX T X RX T X RX T X RXBI4XGBI24CT X RX T X RX T X RX T X RXBI24C6 12 18 2430 36 42 48BI24CBigIron RX-8NETWORKS1 7 13 1925 31 37 43BI24CBI24CBI24CBI24CAC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMBI4XGBI24CT X RX T X RX T X RX T X RXBI4XGBI24CT X RX T X RX T X RX T X RXBI24C6 12 18 2430 36 42 48BI24CBigIron RX-8NETWORKS1 7 13 1925 31 37 43BI24CBI24CBI24CBI24CBI4XGBI4XGBI4XGBI4XGT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXAC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMEJECT SYS AC OK DC OK ALMBI4XGBI4XGT X RX T X RX T X RX T X RXT X RX T X RX T X RX T X RXEJECT SYSEJECT SYSEJECT SYSGetting to Know Your NeighborsThe Neighboring ProcessDownAInit“Hello from A”BAB2 Way“Hello from A”A“Hello A, from B”BThe next three states are referred to as the adjacency process. To establishadjacency means that your OSPF database is synchronized with your neighbor(there's currently no further information to share).• Ex-Start. This is short for “Exchange Start”; this is where the DR/BDRelection takes place; routers are sending Hello packets to determine whowill become the DR and BDR• Exchange. Now the neighbors are finally talking; in this state, your routeris sharing everything it knows, and the neighbor router is sharing everythingit knows• Full. We're adjacent! The neighbors have no more information to share;they've shared it allBrocade IP Primer 243