Brocade Communications Systems FastIron SX 800 Configuration Manual page 4

Configuring IP load sharing....................................................................................................................................................................................................... 72
ECMP load sharing for IPv6..................................................................................................................................................................................................... 75
ICMP Router Discovery Protocol configuration................................................................................................................................................................77
IRDP parameters........................................................................................................................................................................................................................... 77
Reverse Address Resolution Protocol configuration.......................................................................................................................................................78
Configuring UDP broadcast and IP helper parameters.................................................................................................................................................80
BootP and DHCP relay parameter configuration.............................................................................................................................................................82
DHCP server....................................................................................................................................................................................................................................84
Displaying DHCP server information.................................................................................................................................................................................... 93
Configuring IP parameters - Layer 2 switches...........................................................................................................................................................................95
Configuring the management IP address and specifying the default gateway................................................................................................... 95
Configuring Domain Name System resolver..................................................................................................................................................................... 96
Changing the TTL threshold..................................................................................................................................................................................................... 98
DHCP Assist configuration........................................................................................................................................................................................................98
IPv4 point-to-point GRE tunnels .................................................................................................................................................................................................102
IPv4 GRE tunnel overview......................................................................................................................................................................................................102
GRE packet structure and header format......................................................................................................................................................................... 103
Path MTU Discovery support................................................................................................................................................................................................103
Configuration considerations for PMTUD support ..................................................................................................................................................... 104
Tunnel loopback ports for GRE tunnels............................................................................................................................................................................ 104
Support for IPv4 multicast routing over GRE tunnels.................................................................................................................................................105
GRE support with other features .........................................................................................................................................................................................106
Configuration considerations for GRE IP tunnels......................................................................................................................................................... 106
Configuration tasks for GRE tunnels.................................................................................................................................................................................. 108
Example point-to-point GRE tunnel configuration.......................................................................................................................................................115
Displaying GRE tunneling information...............................................................................................................................................................................117
Clearing GRE statistics............................................................................................................................................................................................................. 121
Bandwidth for IP interfaces..............................................................................................................................................................................................................121
Limitations and pre-requisites...............................................................................................................................................................................................122
OSPF cost calculation with interface bandwidth........................................................................................................................................................... 122
Setting the bandwidth value for an Ethernet interface.................................................................................................................................................123
Setting the bandwidth value for a VE interface.............................................................................................................................................................. 123
Setting the bandwidth value for a tunnel interface........................................................................................................................................................ 124
Displaying IP configuration information and statistics..........................................................................................................................................................125
Changing the network mask display to prefix format.................................................................................................................................................. 125
Displaying IP information - Layer 3 switches.................................................................................................................................................................125
Displaying IP information - Layer 2 switches.................................................................................................................................................................137
Disabling IP checksum check.........................................................................................................................................................................................................140
Layer 3 Routing Protocols........................................................................................................................................................................................... 143
Adding a static IP route......................................................................................................................................................................................................................143
Configuring a "null" route......................................................................................................................................................................................................... 144
Static route next hop resolution............................................................................................................................................................................................ 145
Static route recursive lookup..................................................................................................................................................................................................145
Static route resolve by default route....................................................................................................................................................................................145
Adding a static ARP entry................................................................................................................................................................................................................ 146
Modifying and displaying Layer 3 system parameter limits.............................................................................................................................................. 146
Layer 3 configuration notes................................................................................................................................................................................................... 146
FastIron second generation modules.................................................................................................................................................................................146
FastIron third generation modules.......................................................................................................................................................................................147
Displaying Layer 3 system parameter limits...................................................................................................................................................................147
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FastIron Ethernet Switch Layer 3 Routing
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