Reply

dgnd3700 mtu

jannik
Aspirant

dgnd3700 mtu

hi, my dgnd3700 have set mtu at 1458 when i try to set 1492 (like suggest operator netgear) router tell me MTU is not valid. The valid range is between 616 and 1458!!
and another question the wifi 2.4 and 5.2 must have the same name? and I can connect to both simultaneously?
tanks and sorry for my english:confused:
Message 1 of 14
Scubbie
Apprentice

Re: dgnd3700 mtu

I have raised a similar issue with Netgear over this.

I am with Sky in the UK and their default MTU for PPPoA and MER is 1500.

The highest I can set for a PPPoA connection is 1458. 1492 is normally the default figure for PPPoE connections.

Ask if this information has been passed across to Tech support. Provide them with the details of your ISP and where the information comes from.

Should you experience any connection issues, keep chasing them.
Message 2 of 14
jannik
Aspirant

Re: dgnd3700 mtu

i have this problem only with this router,before, i have dgn2000 and i set the mtu up to 1500,i have set at 1492(my isp is tiscali)and worked fine.
this is a strange problem do you think that this router be broken?
Message 3 of 14
Scubbie
Apprentice

Re: dgnd3700 mtu

jannik wrote:
i have this problem only with this router,before, i have dgn2000 and i set the mtu up to 1500,i have set at 1492(my isp is tiscali)and worked fine.


Which country are you in please? Tiscali don't exist any more in the UK they were bought out by TalkTalk. TalkTalk use the settings on the page linked below and the MTU isn't mentioned, so the default should be used I guess.

http://help.talktalk.co.uk/app/answers/detail/a_id/73/~/router-settings

jannik wrote:
this is a strange problem do you think that this router be broken?


It is locked down by the firmware. It is possible to set the MTU value lower, but the maximums are as described above.
Message 4 of 14
jannik
Aspirant

Re: dgnd3700 mtu

tiscali is italian internet provider.
I contacted online support and netgear tomorrow or the next day maybe I will respond and see what is the solution.
thanks for the time
Message 5 of 14
LUCCA777
Novice

Re: dgnd3700 mtu

now im not saying this will 100% work but i had a similar problem to this i has getting mtu error messages on my ps3.... s maybe you can try this go to routerlogin.com then go to adsl setup (in the setup menu) change multiplexing method to vc based... hope it works just thought id try to help
Message 6 of 14
Scubbie
Apprentice

Re: dgnd3700 mtu

LUCCA777 wrote:
now im not saying this will 100% work but i had a similar problem to this i has getting mtu error messages on my ps3.... s maybe you can try this go to routerlogin.com then go to adsl setup (in the setup menu) change multiplexing method to vc based... hope it works just thought id try to help


Multiplexing methods should be set according to what is required by your ISP. Setting this wrongly will affect you connection.

It might be better to reduce the MTU to 1400 if you are experiencing issues with your PS/3.
Message 7 of 14
LUCCA777
Novice

Re: dgnd3700 mtu

Scubbie wrote:
Multiplexing methods should be set according to what is required by your ISP. Setting this wrongly will affect you connection.

It might be better to reduce the MTU to 1400 if you are experiencing issues with your PS/3.


yes i tryd all of the above i tryd chaning the mtu putting the ps3 in the dmz tryed turning nat to open nothing worked untill i seen this router in the uk having the same issue with tellnet or some isp like that my isp supports both vc and llc based so i switched it over i have adsl offnet 20mbps i get 18mbps and download at 2.0mb/ps so my conection hasnt change. i pinged websites in my cmd and that 1464 was my best mtu then you add 28 and i got 1492 mtu. so this was correct. i tryd setting it to 1400 1402 1410 1412 and so on. on both the ps3 and router nothing changed tpg and this router done like eachother much
Message 8 of 14
jannik
Aspirant

Re: dgnd3700 mtu

the best seems to be 1429 i must added 28bit?




Microsoft Windows [Versione 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. Tutti i diritti riservati.

C:\Users\Gianni>http://ul.to/015us6v9/PDI07022012.rar
"http:" non è riconosciuto come comando interno o esterno,
un programma eseguibile o un file batch.

C:\Users\Gianni>ping www.google.com -f -l 1500

Esecuzione di Ping www.l.google.com [173.194.35.18] con 1500 byte di dati:
E' necessario frammentare il pacchetto ma DF è attivo.
E' necessario frammentare il pacchetto ma DF è attivo.
E' necessario frammentare il pacchetto ma DF è attivo.
E' necessario frammentare il pacchetto ma DF è attivo.

Statistiche Ping per 173.194.35.18:
Pacchetti: Trasmessi = 4, Ricevuti = 0,
Persi = 4 (100% persi),

C:\Users\Gianni>ping www.google.com -f -l 1492

Esecuzione di Ping www.l.google.com [173.194.35.18] con 1492 byte di dati:
E' necessario frammentare il pacchetto ma DF è attivo.
E' necessario frammentare il pacchetto ma DF è attivo.
E' necessario frammentare il pacchetto ma DF è attivo.
E' necessario frammentare il pacchetto ma DF è attivo.

Statistiche Ping per 173.194.35.18:
Pacchetti: Trasmessi = 4, Ricevuti = 0,
Persi = 4 (100% persi),

C:\Users\Gianni>ping www.google.com -f -l 1458

Esecuzione di Ping www.l.google.com [173.194.35.18] con 1458 byte di dati:
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.

Statistiche Ping per 173.194.35.18:
Pacchetti: Trasmessi = 4, Ricevuti = 0,
Persi = 4 (100% persi),

C:\Users\Gianni>ping www.google.com -f -l 1456

Esecuzione di Ping www.l.google.com [173.194.35.18] con 1456 byte di dati:
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.

Statistiche Ping per 173.194.35.18:
Pacchetti: Trasmessi = 4, Ricevuti = 0,
Persi = 4 (100% persi),

C:\Users\Gianni>ping www.google.com -f -l 1450

Esecuzione di Ping www.l.google.com [173.194.35.18] con 1450 byte di dati:
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.

Statistiche Ping per 173.194.35.18:
Pacchetti: Trasmessi = 4, Ricevuti = 0,
Persi = 4 (100% persi),

C:\Users\Gianni>ping www.google.com -f -l 1440

Esecuzione di Ping www.l.google.com [173.194.35.51] con 1440 byte di dati:
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.
Richiesta scaduta.

Statistiche Ping per 173.194.35.51:
Pacchetti: Trasmessi = 4, Ricevuti = 0,
Persi = 4 (100% persi),

C:\Users\Gianni>ping www.google.com -f -l 1428

Esecuzione di Ping www.l.google.com [173.194.35.48] con 1428 byte di dati:
Risposta da 173.194.35.48: byte=1428 durata=69ms TTL=52
Risposta da 173.194.35.48: byte=1428 durata=65ms TTL=52
Risposta da 173.194.35.48: byte=1428 durata=68ms TTL=52
Risposta da 173.194.35.48: byte=1428 durata=67ms TTL=52

Statistiche Ping per 173.194.35.48:
Pacchetti: Trasmessi = 4, Ricevuti = 4,
Persi = 0 (0% persi),
Tempo approssimativo percorsi andata/ritorno in millisecondi:
Minimo = 65ms, Massimo = 69ms, Medio = 67ms

C:\Users\Gianni>ping www.google.com -f -l 1429

Esecuzione di Ping www.l.google.com [173.194.35.48] con 1429 byte di dati:
Risposta da 173.194.35.48: byte=1429 durata=68ms TTL=52
Risposta da 173.194.35.48: byte=1429 durata=68ms TTL=52
Risposta da 173.194.35.48: byte=1429 durata=67ms TTL=52
Risposta da 173.194.35.48: byte=1429 durata=66ms TTL=52

Statistiche Ping per 173.194.35.48:
Pacchetti: Trasmessi = 4, Ricevuti = 4,
Persi = 0 (0% persi),
Tempo approssimativo percorsi andata/ritorno in millisecondi:
Minimo = 66ms, Massimo = 68ms, Medio = 67ms

C:\Users\Gianni>
Message 9 of 14
jannik
Aspirant

Re: dgnd3700 mtu

Technical support tells me that the netgear router with PPPoA DGND 3770 does not go beyond 1458 mtu. I have problems opening web pages yahoo, ebay, nvidia, and others.
my dgn2000 work fine with all value of mtu,the best for my isp is 1492 but i cannot set this with dgnd3700.
please help me?
Message 10 of 14
Scubbie
Apprentice

Re: dgnd3700 mtu

Sadly the DGND3700 has been limited to use 1458 as the maximum value for PPPoA. All you can do is to use the default value or try reducing it to see what works best.

Tech support will suggest values such as 1400.
Message 11 of 14
jannik
Aspirant

Re: dgnd3700 mtu

now tech support tell me to set mtu 1432 and primari dns 8.8.8.8.
secondary dns 8.8.4.4.
i have test ping mtu 1432 and all four packet "timelimit" all 4 packet lost!!

But the navigation is equal to before!!!
the settings is ok for you or try 1452 how says my provider?
tanks and sorry for my english.
:confused:
Message 12 of 14
jmizoguchi
Virtuoso

Re: dgnd3700 mtu

1400 MTU are common on using with AOL.
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June Mizoguchi-
Message 13 of 14
Scubbie
Apprentice

Re: dgnd3700 mtu

Those DNS Servers are Google's Public DNS Servers. There are others available if you search the Internet. I would not have thought that the DNS servers would have affected your specific issue, but I could be wrong.

As for the MTU values, in my previous post I suggested that you should try different values. I would be concerned about the loss from your Ping. This indicates that something is wrong.
Message 14 of 14
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