Multi-level M-LAG + VRRP configuration

Created: Dec 13, 2018 10:37:43Latest reply: Dec 18, 2018 11:08:50 196 2 9 0

Multi-level M-LAG

After M-LAG is deployed between SW1 and SW2, M-LAG is deployed between SW3 and SW4. The two M-LAGs are connected. This deployment simplifies networking and allows more servers to be connected to the network in dual-homing mode. Before deploying multi-level M-LAG, configure Virtual Spanning Tree Protocol (V-STP).

The virtual ip will be work as the gateway of the server.

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Multi-level M-LAG + VRRP configuration(CE device as example)

SW1:

interface eth-trunk x //connect to SW3 and SW4

  mode lacp-static

  port link-type trunk

  port trunk allow-pass vlan x

 trunkport 10ge x/0/a to x/0/b

  dfs-group 1 m-lag 2

//no vrrp configuration others is same with Single-level M-LAG

SW2:

interface eth-trunk x //connect to SW3 and SW4

  mode lacp-static

  port link-type trunk

  port trunk allow-pass vlan x

 trunkport 10ge x/0/a to x/0/b

  dfs-group 1 m-lag 2

//no vrrp configuration others is same with Single-level M-LAG

SW3:

stp mode rstp

 stp root primary

 stp bridge-address xxx-xxx-xxx // the MAC address of the DFS master device

 stp v-stp enable

#

ip vpn-instance management  

 ipv4-family

 route-distinguisher 100:1

 vpn-target 111:1 both

#

interface Meth 0/0/0

ip binding vpn-instance management

ip address x.x.x.x x

#

dfs-group 1

 source ip x.x.x.x  //ip of meth0/0/0

 priority 150

#

interface eth-trunk x //to SW4

 trunkport 10ge 1/0/a to 1/0/b

 mode lacp-static

 peer-link 1

#

vlan  x //service vlan

#

interface eth-trunk x //connect to SW1 and SW2

 mode lacp-static

 port link-type trunk

 port trunk allow-pass vlan x

 trunkport 10ge 1/0/a to 1/0/b

 dfs-group 1 m-lag 1

#

interface vlanif x

 ip address x.x.x.2 x

 vrrp vrid 1 virtual-ip x.x.x.1

#

 commit

SW4:

stp mode rstp

 stp root primary

 stp bridge-address xxx-xxx-xxx // the MAC address of the DFS master device

 stp v-stp enable

#

ip vpn-instance management  

 ipv4-family

 route-distinguisher 100:1

 vpn-target 111:1 both

#

interface Meth 0/0/0

ip binding vpn-instance management

ip address x.x.x.x x

#

dfs-group 1

 source ip x.x.x.x //ip of meth0/0/0

 priority 120

#

interface eth-trunk x //to SW3

 trunkport 10ge 1/0/a to 1/0/b

 mode lacp-static

 peer-link 1

#

vlan  x //service vlan

#

interface eth-trunk x //to SW1 and SW2

 mode lacp-static

 port link-type trunk

 port trunk allow-pass vlan x

 trunkport 10ge 1/0/a to 1/0/b

 dfs-group 1 m-lag 1

#

interface vlanif x

 ip address x.x.x.3 x

 vrrp vrid 1 virtual-ip x.x.x.1

#

commit

  • x
  • convention:

dagui  Visitor   Created Dec 13, 2018 10:40:45 Helpful(0) Helpful(0)

Can you elaborate on the M-LAG protocol?
  • x
  • convention:

sim_157  Visitor   Created Dec 18, 2018 11:08:50 Helpful(0) Helpful(0)

could you please point out what is the most thing that will be overlooked when we configure M-LAG + VRRP
  • x
  • convention:

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