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FS#1833 — FS#5808 — vss-5a-6k

Attached to Project— Network
Incident
the whole network
CLOSED
100%
The router is very loaded. We will look for the origin of the problem.

vss-5a-6k#sh proc cpu so 5s
CPU utilization for five seconds: 99%/17%; one minute: 99%; five minutes: 99%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
272 140741648 711159253 197 34.37% 49.17% 49.41% 0 IP Input
11 500003560 860480492 581 14.70% 15.66% 15.18% 0 ARP Input
326 76270444 1005482 75855 12.70% 1.60% 1.13% 0 IP Background
23 109683400 665446487 164 4.55% 1.01% 0.97% 0 IPC Seat Manager
Date:  Sunday, 25 September 2011, 01:37AM
Reason for closing:  Done
Comment by OVH - Thursday, 22 September 2011, 17:15PM

It seems impossible to find out the origin of the problem.
We have changed the IP for this interco
and it sounds better. There is still a little more somewhere.
not necessarily this one.
that is not a problem, we will find it another day.


Comment by OVH - Thursday, 22 September 2011, 17:38PM

another channel port causes the problem. As if it comes with the
ipv6. We are still looking for the origin of the problem.


Comment by OVH - Thursday, 22 September 2011, 17:41PM

It is weird. It seems to be an attack.

Hmm ... let's put the private IPs which are not
accessible from the internet for this interco

vss-5a-6k(config-if)#ip address 192.168.200.0 255.255.255.254
% Warning: use /31 mask on non point-to-point interface cautiously
RP/0/RSP0/CPU0:rbx-g2-a9(config-subif)#ipv4 add 192.168.200.1 255.255.255.254

it is up and the problem is no longer present.. !?


Comment by OVH - Sunday, 25 September 2011, 01:05AM

Same problem again on other intercos.


Comment by OVH - Sunday, 25 September 2011, 01:36AM

We blocked the acces for all the IPs that are used for the interco routers.
The attack is blocked. No problems anymore.