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in multicast by default, packets are only broadcasted when v2-broadcast is set on the
interface.
15.3.2.2.11 ip rip work
Command: ip rip work
no ip rip work
Function: Configure the interface to run RIP or not; the “no ip rip work” command
disables RIP packet sending/receiving on the interface.
Default: After enabling RIP, RIP is enabled on the ports by default.
Command mode: Interface Mode
Usage Guide: This command is equal to “no ip rip send version & no ip rip receive
version” in function, the latter two commands control the receiving and sending of RIP
packet on the interface, the former equals the total of the latter two commands.
Related command: no ip rip send version
、no ip rip receive version
15.3.2.2.12 ip split-horizon
Command: ip split-horizon
no ip split-horizon
Function: Set to enable split horizon; the “no ip split-horizon” command disables split
horizon.
Default: split horizon is enabled by default.
Command mode: Interface Mode
Usage Guide: Set split horizon to prevent routing loops, i.e. prevent layer3 switch from
broadcasting the route leaned from the same interface.
Example: Disable split horizon for interface vlan1.
Switch(Config)#interface vlan1
Switch(Config-If-Vlan1)#no ip split-horizon
15.3.2.2.13 redistribute
Command: redistribute { static | ospf | bgp} [ metric <value> ]
no redistribute { static | ospf | bgp }
Function: Introduce routes of the other protocols into RIP; the “no redistribute { static |
ospf | bgp }” command cancels the introduction.
Parameter: static specifies static routes to be introduced; ospf for OSPF routes; bgp
for BGP routes; <value> stands for the route metric in introducing the routes,
ranging from 1 to 16.