How to configure the Vlan in juniper switch
Step 1 , For all
configuration process
root@CORESWITCH:RE:0% cli ß--------------------- CLI MODE only for maintenances
({master:0} ß--------------------------------------------- Operational
Mode
root@CORESWITCH>Edit ß-------------------------------- enter into configuration
mode for changing the devices configuration only for show commands
{master:0}[edit] ß-----------------------configuration mode for
configuration change
Layer 3 Vlan
creation in Juniper
set vlans v1 vlan-id 1 <v1 is just name /Vlan-id 1 is
vlan tagging number it should be same for L3-interface vlan.1
set vlans v1 l3-interface vlan.1 < making this vlan as Layer 3 vlan
set interfaces vlan unit 1 family inet address 10.1.1.1/24 <assigning vlan ip address
Juniper user modes for more please refer below link from
Juniper Knowledge web
Vlan assignment in
juniper
Assigning
the ge-0/0/5 to vlan 1
Step 1 then enter
set interfaces ge-0/0/5 unit 0 family ethernet-switching
vlan members v1
Juniper Vlan creation for more please refer below link from
Juniper Knowledge web
Verification commands
for vlan
root@CORE_EX3300_VLAN5# run
show ethernet-switching interfaces
ge-0/0/15.0 up v1 1 untagged unblocked
Flooding of vlans
using trunking
Vlan flooding
commands (interface xe-1/0/0 and xe-0/0/0)
set interfaces
xe-1/0/0 unit 0 family ethernet-switching vlan members all
set interfaces
xe-0/0/0 unit 0 family ethernet-switching vlan members all
Trunking commands
(interface xe-1/0/0 and xe-0/0/0)
set interfaces xe-1/0/0 unit 0 family ethernet-switching
port-mode trunk
set interfaces xe-0/0/0 unit 0 family ethernet-switching
port-mode trunk
Juniper Link
aggregation (LACP
Link aggregation on juniper ex switch)
Step1 need to follow
Before configuring the ae0 need delete the ethernet switch under the interface
set chassis aggregated-devices ethernet device-count 5
set interfaces ae0 aggregated-ether-options lacp active
set interfaces ge-0/0/0 ether-options 802.3ad ae0 >>>>>Link switch 1
for High Availability
set interfaces ge-0/0/1 ether-options 802.3ad ae0 >>>>>Link switch 2 High
Availability
root> show interfaces terse |match ae0
ae0
up UP
ae0.0
up UP eth-switch
For more references
How to configure
the DHCP relay
Step 1 need to follow
set forwarding-options helpers bootp server 10.1.2.11 ß------ server ip address of DHCP
set forwarding-options helpers bootp interface vlan.4 ß--which vlan should get the ip address
set forwarding-options helpers bootp interface vlan.5
set forwarding-options helpers bootp interface vlan.6
set forwarding-options helpers bootp interface vlan.8
set forwarding-options helpers bootp interface vlan.7
For more references
How enable Juniper
stacking
In Juniper Ex3300 is using hardware stacking so not required
to put the CLI commands for doing the
stacking Port number xe-0/0/2 and xe-0/0/3 are already in stacked mode (only
required to doing the cabling part)
For more information on Ex3300 stacking
Stacking in 4550
juniper switch
We
required choosing the link first and enabling the stacking on them.
Request
virtual-chassis vc-port set pic-slot 0 port
xe-0/0/31 ß and restart /switch1
Request
virtual-chassis vc-port set pic-slot 0 port
xe-0/0/31 ß switch 2
Verification commands
Show interface terse
Show interface Xe-0/0/30
root> show virtual-chassis status
Virtual
Chassis ID: cff4.00d3.611b
Virtual
Chassis Mode: Enabled
Mstr Mixed Neighbor List
Member
ID Status Serial No
Model prio Role
Mode ID Interface
0 (FPC
0) Prsnt GB0215061093 ex3300-48p 128 Master*
NA 1 vcp-255/1/2
3 vcp-255/1/3
1 (FPC
1) Prsnt GB0215060650 ex3300-48p 128 Linecard
NA 2 vcp-255/1/2
0 vcp-255/1/3
2 (FPC
2) Prsnt GB0215060913 ex3300-48p 128 Linecard
NA 3 vcp-255/1/2
1 vcp-255/1/3
3 (FPC
3) Prsnt GB0215060607 ex3300-48p 128 Backup
NA 0 vcp-255/1/2
2 vcp-255/1/3
For more
references