[nsp] bstun & async

Volodymyr Yakovenko vovik at dumpty.org
Tue Mar 25 23:24:26 EST 2003

On Thu, Mar 20, 2003 at 06:15:52PM +0200, Alexey Luckyanchikov wrote:
>On Wed, 19 Mar 2003, Volodymyr Yakovenko wrote:
>VY> Could you possibly provide more details about your FR carrier? (MTU, vendor,
>VY> etc).
>Now 2511-1 and 2511-2 connected back to back throw V.35 cable. MTU on
>both sides 1500.

Any chanse to use reverse telnet? All async traffic tunneling success stories 
which I know about are reverse-telnet based.

>VY> Try to reduce MTU size on both sides and/or apply FRF.12 fragmentation.
>Hmm, I don't understand how reducing MTU or FRF.12 fragmentation can
>help. Could you explain? Thanks.

You noticed that up to approx 900bytes big packets traverse without loses.

>VY> >I need to connect several remote terminals between them. I tried to use
>VY> >async bstun tunnel over FR. For testing purpose I've connect one PC to
>VY> >Async1 on first 2511 and another PC on second 2511. 2511s is connected
>VY> >back to back via frame relay:
>VY> >
>VY> >      +---+    Async1+------+  FR  +------+Async1    +---+
>VY> >      |PC1|----------|2511-1|------|2511-2|----------|PC2|
>VY> >      +---+          +------+      +------+          +---+
>VY> [..skipped..]


More information about the cisco-nsp mailing list