Contents
Preface................................................................................................................................................................................................................................17
Document conventions.........................................................................................................................................................................................................................17
Text formatting conventions......................................................................................................................................................................................................17
Command syntax conventions.................................................................................................................................................................................................17
Notes, cautions, and warnings..................................................................................................................................................................................................18
Brocade resources..................................................................................................................................................................................................................................18
Contacting Brocade Technical Support......................................................................................................................................................................................... 19
Brocade customers.......................................................................................................................................................................................................................19
Brocade OEM customers.......................................................................................................................................................................................................... 19
Document feedback.............................................................................................................................................................................................................................. 19
About This Document..................................................................................................................................................................................................... 21
Supported hardware and software................................................................................................................................................................................................... 21
What’s new in this document............................................................................................................................................................................................................. 21
How command information is presented in this guide............................................................................................................................................................22
IP Conguration................................................................................................................................................................................................................23
Basic IP conguration........................................................................................................................................................................................................................... 23
IP conguration overview.....................................................................................................................................................................................................................23
Full Layer 3 support..................................................................................................................................................................................................................... 23
IP interfaces......................................................................................................................................................................................................................................24
IP packet ow through a Layer 3 switch.............................................................................................................................................................................. 25
IP route exchange protocols......................................................................................................................................................................................................28
IP multicast protocols...................................................................................................................................................................................................................29
IP interface redundancy protocols..........................................................................................................................................................................................29
ACLs and IP access policies.....................................................................................................................................................................................................29
Basic IP parameters and defaults - Layer 3 switches.............................................................................................................................................................30
When parameter changes take eect....................................................................................................................................................................................30
IP global parameters - Layer 3 switches.............................................................................................................................................................................30
IP interface parameters - Layer 3 switches........................................................................................................................................................................34
Basic IP parameters and defaults - Layer 2 switches.............................................................................................................................................................35
IP global parameters - Layer 2 switches.............................................................................................................................................................................35
Interface IP parameters - Layer 2 switches........................................................................................................................................................................37
Conguring IP parameters - Layer 3 switches...........................................................................................................................................................................37
Conguring IP addresses...........................................................................................................................................................................................................37
Conguring 31-bit subnet masks on point-to-point networks..................................................................................................................................40
Conguring DNS resolver.......................................................................................................................................................................................................... 42
Conguring packet parameters................................................................................................................................................................................................45
Changing the router ID................................................................................................................................................................................................................ 48
Specifying a single source interface for specied packet types.................................................................................................................................49
Conguring delay time for notifying VE down event......................................................................................................................................................52
ARP parameter conguration...................................................................................................................................................................................................53
Conguring forwarding parameters....................................................................................................................................................................................... 59
Disabling ICMP messages........................................................................................................................................................................................................ 61
Enabling ICMP redirect messages.........................................................................................................................................................................................62
Static routes conguration......................................................................................................................................................................................................... 63
Conguring a default network route.......................................................................................................................................................................................71
FastIron Ethernet Switch Layer 3 Routing
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