Question about IBM Nways 8277 Model 524 Networking Switch

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Layer3 what are the Layer 3 like TCP/IP v4 and v6, Firewall, NAT, IPSEC, and Layer 4 HTTP, SIP, RTP, let me know some more Please help me find the manual for this IBM 8277 Ethernet RouteSwitch Hub/Switch

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Which model are you talking about ? I have included both


Here is the OSI model
Layer 1 = physical medium & signal on the wire (physical)
Layer 2 = MAC Address and SNAP (ATM) (data link)
Layer 3 = IP Addressing V4 V6 (network)
Layer 4 = TCP/UDP (RTP, RTSP) (transport)
Layer 5 = Duplexing Half or full (Session)
Layer 6 = HTTP, FTP, SNMP (presentation)
Layer 7 = Web browser, FTP Client, (application)

TCP Model:
Layer 1 = physical medium & signal on the wire (physical) (Hub and reapeter)

Layer 2 = MAC Address and SNAP (ATM) (data) (Switches and bridges)

Layer 3 = IP Addressing V4 V6,
Layer 4 = TCP/UDP (RTP, RTSP) (Internetwork) (Firewall, IPSEC) Routers

(This function is split between 4&5) Duplexing Half or full

Layer 5 = , HTTP, FTP, SNMP, Web browser, FTP Client, (application) (programs)


I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Feb 11, 2009

  • Henry McKelvey
    Henry McKelvey Feb 11, 2009

    I am looking for the manual, I'll post when I find it.

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I need help with cisco asa 5505 ssl vpn.. ssl


The total sum of the Inside/Outside/ and pool address add up to 5,265. Subtract 10% and multiply by 260 to get the gender aspect of the original formula. Move the Network address to Google and download the residual code offered by the program that appears in the open window. Enter the code in the appropriate space provided and this will solve the problem by late 2015.

Oct 09, 2013 | Cisco ASA 5505 Firewall

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Mitel phone only operating in 1 direction


Does the phone have a router/firewall/Layer3 data switch between the phone and the controller? If yes I suspect you have blocked UDP IP ports. Here is a wiki on TCP and UDP ports. http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbersThe ports you need open to the controller are specific to your system model. The 5312 phone works on different controllers. Please list the controller type you have. Good Luck.

Mar 27, 2013 | Mitel 5312 IP Phone

1 Answer

Is that mean D-Link DVG-G1402S router does not support VPN Server?


IT does Security • SIP Authentication with Password Encryption • Configuration Download Using HTTPS and SSL/TLS Clients Certification Encryption and Authentication • VoIP NAT Traversal (SIP/STUN) • NAT/Firewall (NAPT, TCP/UDP, DMZ, ALGs) • VPN Pass-Through • Packet Filtering by IP Address, Port Number, and Protocol

Mar 06, 2011 | D-Link DVG-G1402S Wireless Router...

1 Answer

PlayStation 3 keep getting nat type 3 when need type 2


Hi
I was having problems with my PS3 as well I did the following

updated firmwire

Also I assign static ip address on my PS3 and forward ports used by PS3 to static IP address of PS3 on routers firewall.

Ports used by PS3:
udp 3478
udp 3479
udp 3658
tcp.domain (port 53)
udp.domain (port 53)
tcp.http (port 80)
tcp.https (port 443)
udp.ssdp (port 1900)
tcp.amandaBackupInitiation (10080)
tcp.Jabber SSL/TLS (port 5223)
tcp.10075
tcp.10078
tcp.10079

If your still getting problems configure the PS3 to be in your DMZ.

DMZ will be under applications and gaming. Just look for that setting in your routers setup page and add your PS3 IP address to it.

Mar 15, 2010 | Linksys WRT160N Wireless Router

1 Answer

How do u change me nat to open on my 360


1.Open the router interface page by knowing the default gateway of the router on Internet explorer
2.There would be FIREWALL, click on that option, and try to disable it.
3.Under the category FIREWALL, there would be a sub-category: Virtual Servers.
4.In virtual servers page, enable the following ports:
80 - TCP
53 - TCP & UDP
3074 - TCP & UDP
88 - UDP

4.Assign a static IP address on this page as well as on your X-Box
5.Restart both devices, it ll surely work!
For any further detailed clarifications, keep in touch!

Feb 01, 2010 | Zyxel P660HW-D1 Router

3 Answers

Cisco VPN doesnt get connected through DI-524UP router. Worked fine until recently for both the laptops we use. Log indicates Receive: Purging stale cached fragment(s). Direct connected on the Motorola...


Cisco VPN
Upgrade your router to the latest firmware. You can download firmware at http://www.dlink.com.au/tech/ .
Disable all Firewall Software (ZoneAlarm, Windows XP Firewall, etc.).
Configuring PC running VPN Client Software:
Step 1 Disable all Firewall Software (ZoneAlarm, Windows XP Firewall, etc.).
Step 2 Change IP Address to be outside of the routers DHCP Pool (i.e. 192.168.0.99). By default the DHCP pool is 192.168.0.100 - 192.168.0.199.
Step 3 Configure Cisco VPN Client - Connection Properties.
Step 4 Check Enable Transparent Tunneling.
Step 5 Allow IPSec over UDP ( NAT/PAT).
Configuring Router using the Web-based configuration:
Step 1 Open the Web Configuration Page by entering 192.168.0.1 into your web browser. Enter username (admin) and your password (blank by default).
Step 2 Check the Status tab and make sure that you are running the latest version of firmware. If not, upgrade firmware before proceeding.
Step 3 Click on the Miscellaneous button on the Tools tab. Enable both PPTP and IPSec.
Step 4 Click Apply.
Step 5 Click on the Virtual Servers button on the Advanced tab.
Step 6 Enable IPSec from the list and configure as follows:
Private IP: IP Address of the PC running Cisco VPN Client
Protocol: UDP
Private Port: 500
Public Port: 500
Schedule: Always.
Step 7 Click Apply and then Continue.
Step 8 Enable PPTP from the list and configure as follows:
Private IP: IP Address of the PC running Cisco VPN Client
Protocol: TCP
Private Port: 1723
Public Port: 1723
Schedule: Always.
Step 9 Click Apply and then Continue.


http://www.dlink.com.au/tech/default.asp?model=DI-524UP

Nov 16, 2009 | D-Link AirPlusG DI-524UP Wireless Router

1 Answer

How to connect to my PIX 501 and use Windows Remote Desktop?


Here's a real simple problem to your remote access problems.
Go to: http://www.logmein.com
Sign up for a free acct, download/install their free software on your Server.
Now go over to your laptop, login to your new logmein acct.
In the next page, you'll see your Server listed. Click on it - follow instructions to connect.
This will tunnel through whatever stuff you have on your network!
Trust me - esp. in your scenario, this is *by far* the *simplest remote connect you'll ever perform! And it just .... works! Everytime.

gurutim

Mar 16, 2009 | Cisco PIX 501 Firewall

1 Answer

Ploblems with dmz-outside (webpage). pix


Remove this line:

static (DMZ,INSIDE) 10.10.0.0 10.10.0.0 netmask 255.255.255.0

You don't need a translation going from a lower security level to a higher one. You will also need a nat line for the dmz so that pc's on the dmz will be translated outbound. The only connection that will work on the dmz is the webserver when he's sending traffic outbound with a source port of 80. Something like:

nat (DMZ) 101 10.10.0.0 255.255.255.0

Other than that, it looks like it should be working. You've got permission, a route, and a translation. Maybe "clear local-host 10.10.0.2" to get rid of any bad xlates and try again. Check debg level syslogs, run packet captures, "clear asp drop" then "show asp drop" after an attempt?

Feb 28, 2009 | Cisco PIX Firewall 506

1 Answer

Layer3


http://en.wikipedia.org/wiki/OSI_model

Layer3 is the Network Layer of the OSI Model, IP operates at Network Layer, OSI Model comprises of 7 layers, Application, Presentation, Session, Transport, Network, Datalink, Physical layers.

It is a model to follow when you are building Operating systems, applications to be used on the internet or compatibility with others.

Hope this helps

Mutahir

PS : Read about it on the wiki link i have provided, let me know for any other questions you may have.

Sep 15, 2008 | Computers & Internet

1 Answer

NAT Traversal


NAT traversal refers to the common problem in TCP/IP networking of establishing connections between hosts in private TCP/IP networks which use NAT devices Client-based IPsec VPN connections often do not work when passing through a NAT device as the IKE and IPsec protocols were not designed to work through NAT. NAT Traversal is an add-on to the IKE and IPsec protocols that allows them to work when being NATed. NAT traversal is only used if both endpoints support it. D-Link products that currently support NAT traversal include the DFL-200, DFL-700 and DFL-1100. Note: The DFL-80 and DFL-300 do not support NAT traversal.

Feb 16, 2006 | D-Link Express EtherNetwork DI-804HV...

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