Cisco WRVS4400N - Intermittent freezing

Hello!

I have looked through the forum to find answers to my problem, but doesn't look like I'll find.

The problem:

Router freezes randomly.

When this happens:

-No IP/DNS

-No response to ping

-No contact at all (wifi or cable)

Works fine after reboot for awhile.

General information:

Firmware version:

V2.0.2.1 - ETSI

Local newspaper after the restart:

8 Oct 12:53:40 - ipsec0: no IPv6 routers present
8 Oct 12:53:43 - left promiscuous mode of the device br0
8 Oct 12:53:43 - the promiscuous mode device eth1 left
8 Oct 12:53:50 - [VPN Log]: closing
8 Oct 12:53:50 - EVENT IPSEC: KLIPS ipsec0 unit turned off.
8 Oct 12:53:52 - [VPN Log]: from Pluto (Openswan Version cvs2006Jan12_11:29:56 X.509 - 1.5.4 PLUTO_SENDS_VENDORID PLUTO_USES_KEYRR;) Vendor ID [email protected] / * /)
8 Oct 12:53:52 - [VPN Log]: @(#) built on May 10 2011:17:24:48:
8 Oct 12:53:52 - [VPN Log]: NAT-Traversal port-4500 floating adjustment to it
8 Oct 12:53:52 - [VPN Log]: port floating nat_t activation criteria = 1/port_fload = 1
8 Oct 12:53:52 - [VPN Log]: including NAT-Traversal patch (Version 0.6 c)
8 Oct 12:53:53 - [VPN Log]: ike_alg_register_enc(): OAKLEY_AES_CBC of activation: Ok (ret = 0)
8 Oct 12:53:53 - [VPN Log]: commissioning 1 cryptographic support
8 Oct 12:53:53 - [VPN Log]: begun assistance pid = 960 (fd:5)
8 Oct 12:53:53 - device eth1 promiscuous mode is entered
8 Oct 12:53:53 - br0 device entered promiscuous mode
8 Oct 12:53:53 - [VPN Log]: code of the interface using KLIPS IPsec on 2.4.27 - star
8 Oct 12:53:53 - [VPN Log]: change directory ' / etc/ipsec.d/cacerts'
8 Oct 12:53:53 - [VPN Log]: change directory ' / etc/ipsec.d/aacerts'
8 Oct 12:53:53 - [VPN Log]: change directory ' / etc/ipsec.d/ocspcerts'
8 Oct 12:53:53 - [VPN Log]: change directory ' / etc/ipsec.d/crls'
8 Oct 12:53:53 - [VPN Log]: warning: empty directory
8 Oct 12:54:01 - ipsec0: no IPv6 routers present
8 Oct 13:22:03 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:22:06 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:29:18 - hit KRIS_DDOS_TYPE = 18
8 October 13:31:28 - hit KRIS_DDOS_TYPE = 18
8 October 13:32:03 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:36:26 - hit KRIS_DDOS_TYPE = 18
8 October 13:43:24 - hit KRIS_DDOS_TYPE = 18
8 October 13:43:38 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:44:08 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:44:16 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:44:19 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:44:35 - hit KRIS_DDOS_TYPE = 18
8 October 13:45:24 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:47:04 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:47:39 - hit KRIS_DDOS_TYPE = 18
8 Oct 13:49:50 - hit KRIS_DDOS_TYPE = 18
What is "hit KRIS_DDOS_TYPE = 18 '?
Have seen a lot of post questions on this subject, but no one got a response.
That this has something to do with intermittent freeze?

More information needed to find the solution to the problem, just ask.

Hi Steven, DDOS is Distributed Denial of Service. It is a flag of the attack. This is probably a false alarm.  But, if this is the first cause of your router, lock up, it's probably IDP engine failed or the KRIS has locked up.

The cause is probably impossible to say. A few things you can try to check also

  • Disable the IPS and the monitor for logging and behavior
  • Disable the firewall of the router and the monitor for logging and behavior

Among the possible causes can be

  • Condensation at the breast of your lines (coax cable ISP) or damaged wiring of ISP (broken wire, bad resistance)
  • Swap cables cat local LAN
  • Many flood UDP of LAN (this can hit counter DDOS on IPS or firewall)
  • You have a combination modem/router (from the ISP) unit packets does not present well

-Tom
Please evaluate the useful messages

Tags: Cisco Support

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