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 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 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
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
Changing the network mask display to prefix format.................................................................................................................................................. 125
Displaying IP information - Layer 3 switches.................................................................................................................................................................125
Displaying IP information - Layer 2 switches.................................................................................................................................................................137
Configuring a "null" route......................................................................................................................................................................................................... 144
Static route next hop resolution............................................................................................................................................................................................ 145
Static route recursive lookup..................................................................................................................................................................................................145
Static route resolve by default route....................................................................................................................................................................................145
Layer 3 configuration notes................................................................................................................................................................................................... 146
FastIron second generation modules.................................................................................................................................................................................146
FastIron third generation modules.......................................................................................................................................................................................147
Displaying Layer 3 system parameter limits...................................................................................................................................................................147
FastIron Ethernet Switch Layer 3 Routing
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Summary of Contents for FastIron SX 1600
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