gentilmente qualcuno potrebbe chiarirmi questa situazione?
Da qualche anno uso il mio 837 su una normale linea interleaved Alice 7Mbit e fin quì tutto ok.
La settimana scorsa ho domandato in TI il passaggio al profilo fast e probabilmente mi è stato attivato perchè il router non riesce più ad allinearsi correttamente, cioè rimane connesso saltuariamente qualche minuto e poi l'atm0 va in down.
Codice: Seleziona tutto
#sh vers
Cisco IOS Software, C837 Software (C837-K9O3SY6-M), Version 12.4(18), RELEASE SO
FTWARE (fc1)
ROM: System Bootstrap, Version 12.2(11r)YV3, RELEASE SOFTWARE (fc2)
Cisco C837 (MPC857DSL) processor (revision 0x600) with 58983K/6553K bytes of mem
ory.
Processor board ID FCZ091911AJ, with hardware revision 0000
CPU rev number 7
2 Ethernet interfaces
4 FastEthernet interfaces
1 ATM interface
128K bytes of NVRAM.
16384K bytes of processor board System flash (Read/Write)
2048K bytes of processor board Web flash (Read/Write)
Configuration register is 0x2102
Codice: Seleziona tutto
#sh inter atm0
ATM0 is down, line protocol is down
Hardware is PQUICC_SAR (with Alcatel ADSL Module)
Description: ADSL ATM
MTU 1500 bytes, sub MTU 1500, BW 256 Kbit, DLY 80 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM, loopback not set
Encapsulation(s): AAL5 AAL2, 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 never, output 00:00:01, 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 1000 bits/sec, 0 packets/sec
5 minute output rate 1000 bits/sec, 0 packets/sec
18901 packets input, 4217478 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
26266 packets output, 3552680 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
Grazie