Re: [LIH] Wireless signal strength 85 or 45%

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In <[email protected]>, H.S.Rai wrote:
>Please see screenshot.
>
> http://gndec.ac.in/~hsrai/tmp/sswl.png

I've some problem accessing above site (name not resolvable), on investigating 
the issue, I found that your institute's DNS admin has probably messed up, with 
a typo. Following is the output of name resolution from nameservers.

- ----8<----8<----
abbe [~] chateau % dig ns ac.in

; <<>> DiG 9.4.1-P1 <<>> ns ac.in
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63238
;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 0, ADDITIONAL: 7

;; QUESTION SECTION:
;ac.in.                         IN      NS

;; ANSWER SECTION:
ac.in.                  85973   IN      NS      c0.cctld.afilias-nst.info.
ac.in.                  85973   IN      NS      tld2.ultradns.net.
ac.in.                  85973   IN      NS      b1.in.afilias-nst.in.
ac.in.                  85973   IN      NS      tld1.ultradns.net.
ac.in.                  85973   IN      NS      b0.cctld.afilias-nst.org.
ac.in.                  85973   IN      NS      d0.cctld.afilias-nst.org.
ac.in.                  85973   IN      NS      a0.cctld.afilias-nst.info.

;; ADDITIONAL SECTION:
d0.cctld.afilias-nst.org. 85975 IN      A       199.254.62.1
a0.cctld.afilias-nst.info. 85975 IN     A       199.254.59.1
tld1.ultradns.net.      172211  IN      A       204.74.112.1
tld2.ultradns.net.      172211  IN      A       204.74.113.1
b0.cctld.afilias-nst.org. 85975 IN      A       199.254.60.1
c0.cctld.afilias-nst.info. 85975 IN     A       199.254.61.1
b1.in.afilias-nst.in.   86065   IN      A       220.226.205.253

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Jul 24 14:27:17 2008
;; MSG SIZE  rcvd: 328

abbe [~] chateau % dig ns gndec.ac.in @tld2.ultradns.net.

; <<>> DiG 9.4.1-P1 <<>> ns gndec.ac.in @tld2.ultradns.net.
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4216
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;gndec.ac.in.                   IN      NS

;; AUTHORITY SECTION:
gndec.ac.in.            86400   IN      NS      ns2.comeconnect.com.
gndec.ac.in.            86400   IN      NS      ns1.comconnect.com.

;; Query time: 340 msec
;; SERVER: 204.74.113.1#53(204.74.113.1)
;; WHEN: Thu Jul 24 14:27:35 2008
;; MSG SIZE  rcvd: 91
- ---->8---->8----

And following is the output of query from Airtel's (my ISP) caching nameserver.

- ---->8---->8----
abbe [~] chateau % dig ns gndec.ac.in @202.56.215.6      

; <<>> DiG 9.4.1-P1 <<>> ns gndec.ac.in @202.56.215.6
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6092
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2

;; QUESTION SECTION:
;gndec.ac.in.                   IN      NS

;; ANSWER SECTION:
gndec.ac.in.            42501   IN      NS      ns1.comeconnect.com.
gndec.ac.in.            42501   IN      NS      ns2.comeconnect.com.

;; ADDITIONAL SECTION:
ns1.comeconnect.com.    154875  IN      A       202.164.32.81
ns2.comeconnect.com.    154875  IN      A       202.164.32.82

;; Query time: 425 msec
;; SERVER: 202.56.215.6#53(202.56.215.6)
;; WHEN: Thu Jul 24 14:30:27 2008
;; MSG SIZE  rcvd: 112
- ----8<----8<-----

So, to me this seems like a typo in the ac.in. nameservers.

>
>which indicate two different strength of wireless signal.
>
>1) Wireless network connection to 'G.Hostel' (45%)
>2) Connection properties: wlan0 Signal strength 85%
>
>Out of these two which is correct or reliable.

No ideas :(

Ashish
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