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[Q] Different IP Address when Internet Connection is Down

takash07

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mga kamobilarian pag nagdodown ung internet namin dito sa company ibang IP Address ang nalabas bale like this 168.129.159.142 pero nakaSet naman sa Firewall namin ung IP Range para sa network namin. Ano mas pref nyo Static IP or Obtain ko lang ung every unit dito sa company namin? as in ibang IP ang nalabas samin at hindi namin maAccess ung File Server namin. ung Switch po kasi namin is Unmanageable siya so it means hindi siya nacoconfigure ng IP Range. Ako lang kasi ung inang IT dito sa company namin at naabutan ko na lang etong Switch na gamit nila. Korean company po eto. :help::hat:
 
Restart mo server. and i run mo ng maayos active directory . Check mo rin gateway kung tama
 
Restart mo server. and i run mo ng maayos active directory . Check mo rin gateway kung tama

As of now wala kaming A.D. dito sa company pero meron na akong planong maglagay ng Active Directory bale ung network namin ngayon is nakaBase lang kami sa Firewall pero ang problema once na nawalan kami ng Internet Connection ibang IP Address na ang nabibigay samin. kelangan ba ng Manage Switch(can configure the IP Address) or magbase na lang kami sa firewall na network range? Unmanage kasi ung Switch namin sir.
 
Baka kasi DHCP Server mo is yung Internet nyo? Haha talaga magloloko IP mo.

Imanage mo sa Firewall or AD nga need mojan
 
same tayo ts ako lang din it dito sa company namin japanese may ari, baka nagduduplicate mga ip nyna ts or yung fileserver dapat yun ang naka static.
 
[MENTION=2305766]takash07[/MENTION];

Need ba ng lahat ng pc may internet? kung oo, mag dual ip kana lang.

For Example:
Static IP System Server: 192.168.10.1
Static IP FTP Server: 192.168.10.13
Workstation IP: 192.168.10.xxx
ISP: PLDT>192.168.1.1 DNS

Mag add ka ng 2nd IP para sa mga workstation na need ng internet connection.
View attachment 369386

Yung Default Gateway at DNS ng workstation is depende kung anu yung telco mo.

Kapag nag down internet namin, hindi affected yung local IP namin.
Hindi ako PRO, pero sana nakatulong to..

Good luck sayo ka-mobi!
 

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Kung ung ISP nyo is naka-dynamic tlga magbabago tlga yan once na magrestart ung modem lalo pag 10 to 15mins nakapatay.
 
[MENTION=2305766]takash07[/MENTION];

Need ba ng lahat ng pc may internet? kung oo, mag dual ip kana lang.

For Example:
Static IP System Server: 192.168.10.1
Static IP FTP Server: 192.168.10.13
Workstation IP: 192.168.10.xxx
ISP: PLDT>192.168.1.1 DNS

Mag add ka ng 2nd IP para sa mga workstation na need ng internet connection.
View attachment 1294559

Yung Default Gateway at DNS ng workstation is depende kung anu yung telco mo.

Kapag nag down internet namin, hindi affected yung local IP namin.
Hindi ako PRO, pero sana nakatulong to..

Good luck sayo ka-mobi!

ok lang na magDown ung internet connection namin sir pero sana still mkaAccess pa rin kami sa File Server namin. kung lalagyan ko ng IP Address in every unit mejo madami dami eto sir.
 
gawa ka ng rule sa firewall mu gawa mu sa insang port yung range ng local or server mu bago gwa ka dhcp na ka range nun pra di na kumuha yung lan port mu sa isp nyo ng ip, kilngan gumwa ka ng sarileng dhcp sa firewall mu .. gawin mu yung firewall na nag aact as router mo
 
Usually this kind of IP 168.129.159.142 is the auto generated IP address of a switch. Meaning either down ang DHCP server mo or hindi mareach dahil sa firewall configurations.
 
Usually this kind of IP 168.129.159.142 is the auto generated IP address of a switch. Meaning either down ang DHCP server mo or hindi mareach dahil sa firewall configurations.

sir eto ung setup ng DNS at DHCP ko sir. tama ba ung config ng firewall?
 

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bossing ..

feeling q lang ahh.., qng nasa firewall ang DHCP mo,. baka nag hahang ung DHCP service., kpag ba nagchange ng IP ung computers sabay sabay ?? walang natitirang computer sa tamang config ?

try mo to sa isang PC pag nagkaproblem
sa CMD,

ipconfig /flushdns
ipconfig/release
ipconfig /renew

dapat magrenew yan ng IP settings .. pag hndi .. may problem ung DHCP server. (firewall mo) .. i assume pag nagreboot ka ng firewall,. nagging OKay?
 
bossing ..

feeling q lang ahh.., qng nasa firewall ang DHCP mo,. baka nag hahang ung DHCP service., kpag ba nagchange ng IP ung computers sabay sabay ?? walang natitirang computer sa tamang config ?

try mo to sa isang PC pag nagkaproblem
sa CMD,

ipconfig /flushdns
ipconfig/release
ipconfig /renew

dapat magrenew yan ng IP settings .. pag hndi .. may problem ung DHCP server. (firewall mo) .. i assume pag nagreboot ka ng firewall,. nagging OKay?

hindi naman siguro naghahang ung DHCP service namin sir. sige sir try ko yang method na yan. ndi ko pa kasi nattry yan pag nagdown ung internet connection namin eh.

- - - Updated - - -

bossing ..

feeling q lang ahh.., qng nasa firewall ang DHCP mo,. baka nag hahang ung DHCP service., kpag ba nagchange ng IP ung computers sabay sabay ?? walang natitirang computer sa tamang config ?

try mo to sa isang PC pag nagkaproblem
sa CMD,

ipconfig /flushdns
ipconfig/release
ipconfig /renew

dapat magrenew yan ng IP settings .. pag hndi .. may problem ung DHCP server. (firewall mo) .. i assume pag nagreboot ka ng firewall,. nagging OKay?

hindi naman siguro naghahang ung DHCP service namin sir. sige sir try ko yang method na yan. ndi ko pa kasi nattry yan pag nagdown ung internet connection namin eh.

- - - Updated - - -

bossing ..

feeling q lang ahh.., qng nasa firewall ang DHCP mo,. baka nag hahang ung DHCP service., kpag ba nagchange ng IP ung computers sabay sabay ?? walang natitirang computer sa tamang config ?

try mo to sa isang PC pag nagkaproblem
sa CMD,

ipconfig /flushdns
ipconfig/release
ipconfig /renew

dapat magrenew yan ng IP settings .. pag hndi .. may problem ung DHCP server. (firewall mo) .. i assume pag nagreboot ka ng firewall,. nagging OKay?

hindi naman siguro naghahang ung DHCP service namin sir. sige sir try ko yang method na yan. ndi ko pa kasi nattry yan pag nagdown ung internet connection namin eh.

- - - Updated - - -

anung firewall gamit mo ?? at kung ilan port yung firewall mo ? kasi sa bwat port nun pwede ka mag set up ng tange of IP address.

Check Point 1100 Appliance 8ports ung Firewall namin then port 1 lang ung gamit namin as of now.
 
Hindi ko makita kung nasaan ang gateway.
Usually kung nasa interface ka ng LAN at yan ang ginawa mong DHCP, the default gateway should be the LAN IP, 192.168.100.254.
Sa DNS try mo gamitin sa 1st DNS ang LAN IP (192.168.100.254), 2nd & 3rd yung 124.X.X.X.

BTW TIP, you can use IP addresses outside sa IP range ng DHCP mo as STATIC and DYNAMIC sa ibang computers na minsan lang mag-access sa internet. Better practice is to set-up all systems in STATIC, way better lalo na kung mag trace ka ng systems.

192.168.100.1-10 SERVERS MAYBE
192.168.100.11-100 WORKSTATIONS
192.168.100.101-219 DYNAMIC FOR THE REST OF COMPUTERS NA HINDI CRITICAL ANG NETWORK ACCESS.
 
Last edited:
Hindi ko makita kung nasaan ang gateway.
Usually kung nasa interface ka ng LAN at yan ang ginawa mong DHCP, the default gateway should be the LAN IP, 192.168.100.254.
Sa DNS try mo gamitin sa 1st DNS ang LAN IP (192.168.100.254), 2nd & 3rd yung 124.X.X.X.

sir ung dalawang DNS ginagamit namin sa IP Phone at sa mga laptop/desktop namin sir.
 
hindi naman siguro naghahang ung DHCP service namin sir. sige sir try ko yang method na yan. ndi ko pa kasi nattry yan pag nagdown ung internet connection namin eh.

- - - Updated - - -



hindi naman siguro naghahang ung DHCP service namin sir. sige sir try ko yang method na yan. ndi ko pa kasi nattry yan pag nagdown ung internet connection namin eh.

- - - Updated - - -



hindi naman siguro naghahang ung DHCP service namin sir. sige sir try ko yang method na yan. ndi ko pa kasi nattry yan pag nagdown ung internet connection namin eh.

- - - Updated - - -



Check Point 1100 Appliance 8ports ung Firewall namin then port 1 lang ung gamit namin as of now.

gamitin mo yung ibang port mo paps. tas dun ka mag range.. para ma less yung pag iiba ng IP address nung mga computer. same tayo ng problem. Pero mostly advise dyan mag Static IP address ka para hnd na mawalan kahit hnd nmn saby saby since Unmanaged yung Switch mo kung alin lang mawalan yung muna . ganyan din problem ko eh kaso ang gamit na switch namin ay Catalyst kaya inaaral ko yun tas for the mean time nag static ako .
 
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