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目前分類:Switch (12)

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[HP 1920G Switch] loopback-detection enable
[HP 1920G Switch] loopback-detection multi-port-mode enable
[HP 1920G Switch] loopback-detection interval-time 5

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<HP 1920G Switch> _cmdline-mode on
Please input password: Jinhua1920unauthorized
<HP 1920G Switch> system-view 
[HP 1920G Switch] local-user admin
[HP 1920G Switch-luser-admin] password simple <MyPassword>

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<HP 1920G Switch> system-view
System View: return to User View with Ctrl+Z.
[HP 1920G Switch] snmp-agent sys-info version all
[HP 1920G Switch] lldp enable

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******************************************************************************
* Copyright (c) 2010-2015 Hewlett-Packard Development Company, L.P. *
* Without the owner's prior written consent, *
* no decompiling or reverse-engineering shall be allowed. *
******************************************************************************

Login authentication

Username: admin
Password:

<HP 1920G Switch_cmdline-mode on
All commands can be displayed and executed. Continue? [Y/N] 
Y

 Default password is below, 
Please input password: Jinhua1920unauthorized

y wrong use, please carefully use it with our engineer's direction.

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Environment: N2048, N3048

Secnario: 我想設定第48 port為Trunk port(帶VLAN ID為1011 and 1012的Tags)

Solution: 在Switch加上以下這幾行

# enable
# configure
# vlan 1011,1012
# exit
# interface vlan 1011
# ip address 10.11.0.253 255.255.0.0
# exit
# interface vlan 1012
# ip address 10.12.0.253 255.255.0.0
# exit
interface gigabitethernet 1/0/48
# switchport mode trunk
# switchport trunk allowed vlan 1011,1012

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Environment: N2048, N3048

Secnario: 我想設定第1 port為Access port(帶VLAN ID為1011的Tags)

Solution: 在Switch加上以下這幾行

# enable
# configure
# vlan 1011
# exit
# interface vlan 1011
# ip address 10.11.0.253 255.255.0.0
# exit
# interface gigabitethernet 1/0/1
# switchport access vlan 1011

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Environment: N3048

Secnario: 我想設定VLAN 1011與1012這兩個網段可以拿到VLAN 192網段192.168.1.1這台DHCP server發的IP

Solution: 在Switch加上以下這幾行,主要是設定要DHCP relay的VLAN與DHCP server的IP

# enable
# configure
# ip helper-address 192.168.1.1 dhcp
# dhcp l2relay vlan 1011,1012

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Environment: N2048, N3048

Secnario: 所有接在N2048與N3048的機器都能互通,唯獨與Switch不同網段的機器連不到Switch(例如: 10.10.10.10要連到switch ip: 192.168.0.252)

Solution: 在Switch上加上以下這一行

# ip default-gateway 192.168.0.254

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The Dell N3048 has to config below,

    1. add "VLAN interface IP"

    2. add "static route"

    3. add command "ip routing"

 

The Juniper SRX240 has to config below,

    - add a "interface IP", if the SRX240 is routing to N3048. 

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Environment:

VLAN 1:

        VLAN 1 interface IP: 10.10.0.254/16

        Laptop A IP: 10.10.1.1/16

 

VLAN 2:

        VLAN 2 interface IP: 192.168.0.254/16

        Laptop B IP: 192.168.1.1/16

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前提: switch的LLDP與SNMP皆有開啟

# snmpwalk -v2c -c public 192.168.0.21 1.0.8802.1.1.2.1.4.2.1.3

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ALPHA AGS-24X switch開關ports的方法:
$ config ports 1 state enable
$ config ports 1 state disable

ALPHA AGS-24X switch看ports狀態的方法:
$ show ports 1
$ sh ports 1

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