Lenovo RackSwitch G8264 Application Manual page 550

2. Define the IP interfaces with IPv4 addresses.
3. Enable IP forwarding.
4. Configure BGP peer router 1 and 2 with IPv4 addresses.
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G8264 Application Guide for ENOS 8.4
The switch will need an IP interface for each default gateway to which it will be
connected. Each interface must be placed in the appropriate VLAN. These
interfaces will be used as the primary and secondary default gateways for the
switch.
RS G8264(config)# interface ip 1
RS G8264(config­ip­if)# ip address 200.200.200.1
RS G8264(config­ip­if)# ip netmask 255.255.255.0
RS G8264(config­ip­if)# enable
RS G8264(config­ip­if)# exit
RS G8264(config)# interface ip 2
RS G8264(config­ip­if)# ip address 210.210.210.1
RS G8264(config­ip­if)# ip netmask 255.255.255.0
RS G8264(config­ip­if)# enable
RS G8264(config­ip­if)# exit
IP forwarding is turned on by default and is used for VLAN‐to‐VLAN (non‐BGP)
routing. Make sure IP forwarding is on if the default gateways are on different
subnets or if the switch is connected to different subnets and those subnets need to
communicate through the switch (which they almost always do).
RS G8264(config)# ip routing
Note: To help eliminate the possibility for a Denial of Service (DoS) attack, the
forwarding of directed broadcasts is disabled by default.
RS G8264(config)# router bgp
RS G8264RS G8264(config­router­bgp)# neighbor 1 remote­address
200.200.200.2
RS G8264(config­router­bgp)# neighbor 1 remote­as 100
RS G8264(config­router­bgp)# no neighbor 1 shutdown
RS G8264RS G8264(config­router­bgp)# neighbor 2 remote­address
210.210.210.2
RS G8264(config­router­bgp)# neighbor 2 remote­as 200
RS G8264(config­router­bgp)# no neighbor 2 shutdown