12-18-2007 08:20 PM - edited 03-03-2019 07:59 PM
Hi Experts,
I am trying to understand.. if by doing - show interface xx, I will be able to get the bandwitdh for that particular interface?
Can I say that the interface ATM below is having 45M bandwitdh trunking ?
ATM1/0.1 is up, line protocol is up
Hardware is RS8234 ATM DS3
Description: : To Schale
Internet address is 172.11.29.8/30
MTU 4470 bytes, BW 45000 Kbit, DLY 190 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM
327536471 packets input, 169303160454 bytes
418637587 packets output, 228933701660 bytes
566 OAM cells input, 564 OAM cells output
AAL5 CRC errors : 1569
AAL5 SAR Timeouts : 0
AAL5 Oversized SDUs : 0
AAL5 length violation : 68
AAL5 CPI Error : 4
Last clearing of "show interface" counters never
Thanks in advanced.
12-18-2007 09:02 PM
"show interface" will tell you the maximum bandwidth the interface supports (physical limitation)
or
the configured bandwidth value under the interface
However, it does not reflect the "subscribed" bandwidth from an ISP. The router is not able to tell how much bandwidth you've subscribed.
12-18-2007 09:08 PM
Hi Edison,
Thanks for your input..
Anyway to tell how much the bandwidth subscribed through commands ? or purely I need to use monitoring software to do it?
12-19-2007 06:53 AM
Anyway to tell how much the bandwidth subscribed through commands ?
Sorry, there isn't any command in the router to produce that information.
You can stress-test the circuit and check the interface (input/output bits per interval) and get an educated idea on how big is the pipe.
12-19-2007 07:12 AM
Hi,
Try using pchar to determine the bandwidth subscribed http://www.kitchenlab.org/www/bmah/Software/pchar/
From what I understand, for DS3 you need to put the bandwidth subscribed in the interface configuration. Both you and your provider should have the exact number, else you will get a lot of error in your interface (i forgot the errors). This is from my experience which I have 2 x DS3 from different location connects to Internet Provider 1 with different bandwidth subscription (FIXED) and 1 x DS3 from another location that connects to Internet Provider 2 with burstable bandwidth up to 45Mbps.
Here is a sample from one of my FIXED subscription of 20Mbps
!
interface ATM4/1
load-interval 30
atm scrambling cell-payload
atm framing cbitplcp
no atm ilmi-keepalive
!
interface ATM4/1.1 point-to-point
ip address 192.168.1.2 255.255.255.252
pvc 20/21
vbr-nrt 20000 20000
oam-pvc manage 30
encapsulation aal5snap
I can't find the config for burstable. I already replaced them with MetroE :) as they becoming more expensive and to think that they are old technology with old infrastructure
Regards,
Dandy
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