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Juniper and Cisco Commands

 

Here's a comparison of some commonly used Juniper and Cisco switch commands for basic configuration and management:

1. Entering Configuration Mode

  • Juniper:
    configure
  • Cisco:
    configure terminal

2. Setting Hostname

  • Juniper:
    sql
    set system host-name <hostname>
  • Cisco:
    php
    hostname <hostname>

3. Saving Configuration

  • Juniper:
    sql
    commit
  • Cisco:
    arduino
    write memory
    or
    arduino
    copy running-config startup-config

4. Displaying Interface Information

  • Juniper:
    sql
    show interfaces
  • Cisco:
    kotlin
    show ip interface brief

5. Assigning IP Address to Interface

  • Juniper:
    csharp
    set interfaces <interface> unit 0 family inet address <ip-address>
  • Cisco:
    csharp
    interface <interface>
ip address <ip-address> <subnet-mask>

6. Configuring VLAN

  • Juniper:
    python
    set vlans <vlan-name> vlan-id <vlan-id>
  • Cisco:
    php
    vlan <vlan-id>
name <vlan-name>

7. Showing Running Configuration

  • Juniper:
    sql
    show configuration
  • Cisco:
    arduino
    show running-config

8. Checking VLAN Information

  • Juniper:
    sql
    show vlans
  • Cisco:
    sql
    show vlan brief

9. Setting Interface Description

  • Juniper:
    csharp
    set interfaces <interface> description <description>
  • Cisco:
    csharp
    interface <interface>
description <description>

10. Rebooting the Switch

  • Juniper:
    perl
    request system reboot
  • Cisco:
    reload

Both Juniper and Cisco devices have their own syntax and structure. Juniper uses the JUNOS operating system with a hierarchy-based command structure, while Cisco uses IOS with a more linear configuration approach.

You said:
please give me another commands
ChatGPT said:
ChatGPT

Here are more Juniper and Cisco switch commands for comparison:

11. Configuring a Trunk Port

  • Juniper:
    csharp
    set interfaces <interface> unit 0 family ethernet-switching port-mode trunk
set interfaces <interface> unit 0 family ethernet-switching vlan members <vlan-id>
  • Cisco:
    csharp
    interface <interface>
switchport mode trunk
switchport trunk allowed vlan <vlan-id>

12. Configuring an Access Port

  • Juniper:
    csharp
    set interfaces <interface> unit 0 family ethernet-switching port-mode access
set interfaces <interface> unit 0 family ethernet-switching vlan members <vlan-id>
  • Cisco:
    csharp
    interface <interface>
switchport mode access
switchport access vlan <vlan-id>

13. Enabling STP (Spanning Tree Protocol)

  • Juniper:
    csharp
    set protocols stp interface <interface>
  • Cisco:
    php
    spanning-tree mode <type>
spanning-tree vlan <vlan-id> root primary

14. Viewing ARP Table

  • Juniper:
    sql
    show arp
  • Cisco:
    sql
    show ip arp

15. Enabling SSH

  • Juniper:
    sql
    set system services ssh
  • Cisco:
    ip ssh version 2

16. Configuring DHCP Relay

  • Juniper:
    csharp
    set forwarding-options helpers bootp relay-agent interface <interface>
  • Cisco:
    css
    ip helper-address <DHCP-server-IP>

17. Setting Static Route

  • Juniper:
    vbnet
    set routing-options static route <destination> next-hop <next-hop-IP>
  • Cisco:
    php
    ip route <destination> <subnet-mask> <next-hop-IP>

18. Configuring Link Aggregation (LACP)

  • Juniper:
    python
    set interfaces ae0 aggregated-ether-options lacp active
set interfaces ae0 unit 0 family ethernet-switching vlan members <vlan-id>
  • Cisco:
    kotlin
    interface port-channel 1
switchport mode trunk
channel-group 1 mode active

19. Enabling LLDP (Link Layer Discovery Protocol)

  • Juniper:
    csharp
    set protocols lldp interface <interface>
  • Cisco:
    arduino
    lldp run

20. Viewing Logs

  • Juniper:
    bash
    show log messages
  • Cisco:
    sql
    show logging

These commands provide more control over advanced configurations like trunking, STP, link aggregation, and protocols like LLDP and DHCP relay.

You said:
configure dhcp protocol and svi
ChatGPT said:
ChatGPT

To configure DHCP protocol and SVI (Switched Virtual Interface) on both Juniper and Cisco switches, follow the steps below:

On Juniper Switch:

1. Configuring DHCP Server:

To configure the switch to act as a DHCP server:

csharp
set system services dhcp-local-server group <group-name> interface <interface-name>
set access address-assignment pool <pool-name> family inet network <network-address>/<subnet-mask>
set access address-assignment pool <pool-name> family inet range <range-name> low <low-ip>
set access address-assignment pool <pool-name> family inet range <range-name> high <high-ip>
set access address-assignment pool <pool-name> family inet dhcp-attributes router <gateway-ip>

Example:

sql
set system services dhcp-local-server group dhcp-group interface vlan.10
set access address-assignment pool dhcp-pool family inet network 192.168.10.0/24
set access address-assignment pool dhcp-pool family inet range range1 low 192.168.10.10
set access address-assignment pool dhcp-pool family inet range range1 high 192.168.10.100
set access address-assignment pool dhcp-pool family inet dhcp-attributes router 192.168.10.1

2. Configuring SVI:

To create a VLAN interface (SVI) and assign an IP address:

php
set interfaces vlan unit <vlan-id> family inet address <ip-address>/<subnet-mask>
set vlans <vlan-name> vlan-id <vlan-id> l3-interface vlan.<vlan-id>

Example:

kotlin
set interfaces vlan unit 10 family inet address 192.168.10.1/24
set vlans sales vlan-id 10 l3-interface vlan.10

On Cisco Switch:

1. Configuring DHCP Server:

To configure a Cisco switch to act as a DHCP server:

php
ip dhcp pool <pool-name>
network <network-address> <subnet-mask>
default-router <gateway-ip>
dns-server <dns-server-ip>

Example:

arduino
ip dhcp pool Sales
network 192.168.10.0 255.255.255.0
default-router 192.168.10.1
dns-server 8.8.8.8

2. Configuring SVI:

To configure an SVI for inter-VLAN routing:

csharp
interface vlan <vlan-id>
ip address <ip-address> <subnet-mask>
no shutdown

Example:

kotlin
interface vlan 10
ip address 192.168.10.1 255.255.255.0
no shutdown

DHCP Relay (If using external DHCP server):

  • Juniper:

    csharp
    set forwarding-options dhcp-relay server-group <group-name> <server-ip>
set forwarding-options dhcp-relay group <group-name> interface <interface-name>

  • Cisco:

    csharp
    interface vlan <vlan-id>
ip helper-address <dhcp-server-ip>

These configurations will enable a DHCP server on both Juniper and Cisco switches and allow inter-VLAN routing using SVI.

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