RE: YNT: [cisco-ttl] G.SHDSL Ilginc Bir Sorun

From: Salim Sisman <whomcwho_at_....>
Date: Thu, 24 Jan 2008 22:55:01 +0000

Aydın bey selamlar yeniden,

Belirttiginiz gibi sorun MTU degeri ilede ilgili olabilir hatta oyle sanirim,
Conf'ta aşagidaki MTU degerlerini 1492'ye cekin Normalde DSL yapisindaki modemler veri paketlerini 1500er bytelar halinde gonderirler ancak bunun başına 8 bytelık headerlar ekleyeceklerinden dolayli olarak en uygun deger 1500-8 =1492'dir...
Birde bu degere cekip deneyelim bakalim...

yourname#sh inter atm0
  ATM0 is up, line protocol is up
  Hardware is MPC ATMSAR
  Internet address is 192.168.110.2/30
  MTU 4470 bytes, sub MTU 4470, BW 1024 Kbit, DLY 360 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ATM, loopback not set

Salim Şişman
Network & Voice Specialist

>From: "KOCAK, Aydin" <akocak_at_mu.edu.tr>
>Reply-To: cisco-ttl_at_yahoogroups.com
>To: <cisco-ttl_at_yahoogroups.com>
>Subject: YNT: [cisco-ttl] G.SHDSL Ilginc Bir Sorun
>Date: Thu, 24 Jan 2008 10:20:47 +0200
>
>Merhabalar;
>Erdal hocam, Salim Bey, Engin Bey;
>Cevaplar icin cok tesekkur ederim. Ping paketlerinin boyutlarini
>yukselttigimde (1500'e kadar cikardim.) ping atiyor.
>Ayrica baglanamadigim bir web adresi icin telnet www.bisey.com 80
>yaptigimda cevap aliyorum ve get dedigimde
>console sayfa ile ilgili bilgilerde geliyor. RDP'de herhangi bir donma
>falan olmuyor. CRC en fazla 1 saatliktir.
>Cunku surekli istatistikleri sifirliyordum. Bir de santralle araya 0.9. luk
>yekpare kablo cekildi fiziksel olarak gurultu orani
>falan dusuk dedi telekom. MTU size ile ilgili bir problem olabilir mi acaba
>? Bir de ayni conf baska bir yerde calisiyor ilginc
>olan. Uc noktada hem cisco 878 hemde 3com 3033 g.shdsl modemler kullandik
>ama sonuc ayni. Telekomda hat oturdugunu
>ve kendilerinde hic bir sorun olmadigini iddia ediyor.
>
>Tesekkurler,
>Saygilar,
>Aydin Kocak.
>
>________________________________
>
>Kimden: cisco-ttl_at_yahoogroups.com bu kişinin yerine: Engin BUDAK
>Gönderilmiş: Pzt 21.01.2008 16:32
>Kime: cisco-ttl_at_yahoogroups.com
>Konu: Re: [cisco-ttl] G.SHDSL Ilginc Bir Sorun
>
>
>
>Selam
>
>RDP 'de ekran arada donuyor mu? 253 CRC ne kadar zamanda alindi?
>remote office'den bir bilgisayardan web serverin 80. portuna telnet
>acabiliyor musun?
>
>Engin BUDAK
>
> ----- Original Message -----
> From: KOCAK, Aydin
> To: cisco-ttl_at_yahoogroups.com
> Sent: Friday, January 18, 2008 5:23 PM
> Subject: [cisco-ttl] G.SHDSL Ilginc Bir Sorun
>
>
> Merhabalar;
> Merkezde bulunan 155 Mbps.lik ATM STM - 1 uzerine bir uc noktamizdan
>G.SHDSL noktadan noktaya
> baglanti yaptik hersey duzgun gozukuyor. Ping atiliyor, nslookup
>yapiliyor hatta rdp bile yapilabiliyor
> ancak http ile baglanilamiyor. Merkez ve uc nokta ayarlari asagidaki
>gibi :
>
> Not : Telekom sorun olmadigini soyledi hatlarda ve tanimlamalarda ayrica
>ara sira debug atm 0 dedigimde
> su hatayida aliyorum : Mar 1 03:16:14.511: ATM0: AAL5 rx errors (status
>= 2C030000) boyle devam ediyor...
>
> Uc Nokta (Cisco 878 )
> ----------
> controller DSL 0
> mode atm
> line-term cpe
> line-mode 2-wire line-zero
> dsl-mode shdsl symmetric annex B
> line-rate auto
> !
> ....
> !
> interface ATM0
> ip address 192.168.110.2 255.255.255.252
> atm ilmi-keepalive
> pvc 0/35
> protocol ip 192.168.110.1
> encapsulation aal5snap
> !
> ....
> ip classless
> ip route 0.0.0.0 0.0.0.0 192.168.110.1
> ....
>
> ---Sh inter ciktilari-------
> yourname#sh inter atm0
> ATM0 is up, line protocol is up
> Hardware is MPC ATMSAR
> Internet address is 192.168.110.2/30
> MTU 4470 bytes, sub MTU 4470, BW 1024 Kbit, DLY 360 usec,
> reliability 255/255, txload 1/255, rxload 1/255
> Encapsulation ATM, loopback not set
> Encapsulation(s): AAL5 , PVC mode
> 10 maximum active VCs, 1024 VCs per VP, 1 current VCCs
> VC Auto Creation Disabled.
> VC idle disconnect time: 300 seconds
> Last input 00:00:05, output 00:00:05, output hang never
> Last clearing of "show interface" counters never
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: Per VC Queueing
> 5 minute input rate 0 bits/sec, 0 packets/sec
> 5 minute output rate 0 bits/sec, 1 packets/sec
> 32562 packets input, 2471998 bytes, 0 no buffer
> Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 253 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 32931 packets output, 2494282 bytes, 0 underruns
> 0 output errors, 0 collisions, 7 interface resets
> 0 output buffer failures, 0 output buffers swapped out
> -----
> #sh controller dsl 0
> DSL 0 controller UP
> SLOT 0: Globespan xDSL controller chipset
> Frame mode: Utopia
> Configured Line rate: Auto
> Line Mode: Two Wire
> DSL mode: SHDSL Annex B
> Line Re-activated 11 times after system bootup
> LOSW Defect alarm: ACTIVE
> CRC per second alarm: ACTIVE
> Line termination: CPE
> Current 15 min CRC: 0
> Current 15 min LOSW Defect: 0
> Current 15 min ES: 0
> Current 15 min SES: 0
> Current 15 min UAS: 847
> Previous 15 min CRC: 0
> Previous 15 min LOSW Defect: 0
> Previous 15 min ES: 0
> Previous 15 min SES: 0
> Previous 15 min UAS: 0
> Line-0 status
> Chipset Version: 0
> Firmware Version: R3.0.1
> Modem Status: Data, Status 1
> Last Fail Mode: unknown error status:0xC9
> Line rate: 1032 Kbps
> Framer Sync Status: In Sync
> Rcv Clock Status: In the Range
> Loop Attenuation: 8.9 dB
> Transmit Power: 10.5 dB
> Receiver Gain: 14.2000 dB
> SNR Sampling: 36.8590 dB
> Dying Gasp: Present
>
>
>
> Merkez (3COM 6080)
> --------
> #
> interface Atm1/0/0.8 p2p
> pvc 0/41
> map ip 192.168.110.2 broadcast
> description XXXX,1024 Kbps
> ip address 192.168.110.1 255.255.255.252
> #
> ----------------------------------
> merkez interface bilgileri :
> Line protocol current state :UP
> Description : XXXX,1024 Kbps
> The Maximum Transmit Unit is 1500
> Internet Address is 192.168.110.1/30
> Sub-interface type: point-to-point, VCs on sub-interface: 1
> Atm link check function: disable
> Atm 155M Fiber:Single Mode and Medium Haul
> loopback not set
> Clock line
> Scramble enabled
> SONET frame format
> SONET alarm:
> section layer: none
> line layer: none
> path layer: none
> SONET error:
> section layer: B1 4
> line layer: B2 13 M1 67
> path layer: B3 13023 G1 468
> Last clearing of counters: Never
>
>
> Not 2 : 3COM merkez router uzerine 15'e yakin frame - relay baglanti
>geliyor(cogu cisco) bu ilk g.shdsl olacakti .
>
> Daha once boyle bir sorunla karsilastiniz mi acaba ?
>
> Kolayliklar,
> Aydin Kocak.
>
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
>[Non-text portions of this message have been removed]
>
>
>
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Received on Fri Jan 25 2008 - 11:27:37 CET

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