"Actual Combat" recorded a video line interruption troubleshooting

Date: August 10, 2016

Location: Life insurance Heilongjiang

Event: Video Line interrupt

Phenomenon: (1) on the device directly ping the connected leased line to the source, not at all, (2) on the device directly ping the connection line can pass, (3) The protocol is normal, port up, there is an interruption of the alarm message appears, at this time can ping, not the source of this side, (4) The protocol is normal, There is a recovery alarm text message appears, at this time can ping not pass, not to this side as the source.

Solution: Change a line from operator to co-rotating.

Through the phenomenon to see the essence:

(1) in the connected line to the source are not ping, directly judge the problem, but in the end is the computer room out of the line, or the computer room to the local terminal core route? Continue to the next

(2) did not take this side as the source, incredibly can pass, traceroute, found that actually go is outside the network, that the VPN is normal, but not every time can pass, at this time suspected is the carrier device to the core router between the problem, the core router is juniperm7i, This type of equipment is about to be discontinued, but it is still in use.

(3) As for the SMS alarm has the opposite situation, there is a bit of meaning, according to the message received by mail: basically 8-9 minutes or so, a line recovery time, if in this time there will be repeated interruptions in the case of the contrary, when the short message system reported interruption, your line connected, After monitoring may be 8--9 minutes after the recovery, so this is a message system problem, ignore.

(4) The judgment is basically not the operator's thing, that is the local line of things, for a new co-rotating, but also a good while not, to the end of the cooperation of people is also unauthorized change things, sometimes through sometimes not through, and said change line, after communication, or cause the phenomenon did not get the fundamental solution, finally I decided to change the Everything's back to normal!

Experience Summary: Only can not solve the person, there is no solution to the matter!

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"Actual Combat" recorded a video line interruption troubleshooting