[clug] Satellite links
sjenkin at canb.auug.org.au
Thu Mar 4 02:59:02 GMT 2004
How did it work 'before' that you can compare speeds?
One common problem with IP over satellite is large MTU's compared to the
Bit-Error-Rate of the link.
Can you get at any IP stats/SNMP data in the router? It will tell you
what's a happening.
Steve Jenkin, Unix Sys Admin
0412 786 915 (+61 412 786 915)
PO Box 48, Kippax ACT 2615, AUSTRALIA
On Thu, 4 Mar 2004, Adrian Blake wrote:
> I am using an Optus sat. link. 256K down and 128K up. There is Cisco
> router at this end and tunnelling is used between here and Sydney.
> Without the router and tunnelling the the performance in ftp'ing data to
> Sydney was good, but now using the router and tunnelling the upload rate
> is about 3kbps. We are better off with a dial-up modem !
> Any suggestions as to what is going on and how may the performance be
> To date Optus have not been very helpful/knowledgable on the problem.
> Adrian Blake
> Molonglo Radio Observatory
> University of Sydney
> 1152 Hoskinstown Rd
> Bungendore 2621
> ph 02 62382262 mobile 0407 232 978
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