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RT-AC66U drops connection and have to restart it.

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web-ninja

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I have a RT-AC66U and it constantly drops connection. I am on firmware 3.0.0.4.376_3602. What am i doing wrong? Here is a log of the startup.

Dec 31 18:00:11 syslogd started: BusyBox v1.17.4
Dec 31 18:00:11 kernel: klogd started: BusyBox v1.17.4 (2014-11-04 22:06:22 CST)
Dec 31 18:00:11 kernel: start_kernel
Dec 31 18:00:11 kernel: Linux version 2.6.22.19 (root@asus) (gcc version 4.2.3) #1 Tue Nov 4 22:09:24 CST 2014
Dec 31 18:00:11 kernel: CPU revision is: 00019749
Dec 31 18:00:11 kernel: Found an ST compatible serial flash with 32 64KB blocks; total size 2MB
Dec 31 18:00:11 kernel: Determined physical RAM map:
Dec 31 18:00:11 kernel: memory: 07fff000 @ 00000000 (usable)
Dec 31 18:00:11 kernel: memory: 08000000 @ 87fff000 (usable)
Dec 31 18:00:11 kernel: Built 1 zonelists. Total pages: 585216
Dec 31 18:00:11 kernel: Kernel command line: root=/dev/mtdblock3 console=ttyS0,115200 init=/sbin/preinit
Dec 31 18:00:11 kernel: Primary instruction cache 32kB, physically tagged, 4-way, linesize 32 bytes.
Dec 31 18:00:11 kernel: Primary data cache 32kB, 4-way, linesize 32 bytes.
Dec 31 18:00:11 kernel: PID hash table entries: 2048 (order: 11, 8192 bytes)
Dec 31 18:00:11 kernel: CPU: BCM5300 rev 1 pkg 0 at 600 MHz
Dec 31 18:00:11 kernel: Using 300.000 MHz high precision timer.
Dec 31 18:00:11 syslog: module ledtrig-usbdev not found in modules.dep
Dec 31 18:00:11 syslog: module leds-usb not found in modules.dep
Dec 31 18:00:11 kernel: Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Dec 31 18:00:11 kernel: Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Dec 31 18:00:11 kernel: Mount-cache hash table entries: 512
Dec 31 18:00:11 kernel: PCI: Initializing host
Dec 31 18:00:12 kernel: PCI: Reset RC
Dec 31 18:00:12 kernel: PCI: Initializing host
Dec 31 18:00:12 kernel: PCI: Reset RC
Dec 31 18:00:12 kernel: PCI: Fixing up bus 0
Dec 31 18:00:12 kernel: PCI/PCIe coreunit 0 is set to bus 1.
Dec 31 18:00:12 kernel: PCI: Fixing up bridge
Dec 31 18:00:12 kernel: PCI: Fixing up bridge
Dec 31 18:00:12 kernel: PCI: Enabling device 0000:01:00.1 (0004 -> 0006)
Dec 31 18:00:12 kernel: PCI: Fixing up bus 1
Dec 31 18:00:12 kernel: PCI/PCIe coreunit 1 is set to bus 2.
Dec 31 18:00:12 kernel: PCI: Fixing up bridge
Dec 31 18:00:12 kernel: PCI: Fixing up bridge
Dec 31 18:00:12 kernel: PCI: Enabling device 0000:02:00.1 (0004 -> 0006)
Dec 31 18:00:12 kernel: PCI: Fixing up bus 2
Dec 31 18:00:12 kernel: IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
Dec 31 18:00:12 kernel: TCP established hash table entries: 16384 (order: 5, 131072 bytes)
Dec 31 18:00:12 kernel: TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
Dec 31 18:00:12 kernel: highmem bounce pool size: 64 pages
Dec 31 18:00:12 kernel: pflash: found no supported devices
Dec 31 18:00:12 kernel: Boot partition size = 262144(0x40000)
Dec 31 18:00:12 kernel: Creating 2 MTD partitions on "sflash":
Dec 31 18:00:12 kernel: 0x00000000-0x00040000 : "pmon"
Dec 31 18:00:12 kernel: 0x001f0000-0x00200000 : "nvram"
Dec 31 18:00:12 kernel: Found a Zentel NAND flash with 2048B pages or 128KB blocks; total size 128MB
Dec 31 18:00:12 kernel: lookup_nflash_rootfs_offset: offset = 0x0
Dec 31 18:00:12 kernel: nflash: squash filesystem with lzma found at block 9
Dec 31 18:00:12 kernel: Creating 4 MTD partitions on "nflash":
Dec 31 18:00:12 kernel: 0x00000000-0x02000000 : "linux"
Dec 31 18:00:12 kernel: 0x00134ebc-0x02000000 : "rootfs"
Dec 31 18:00:12 kernel: 0x04000000-0x06000000 : "linux2"
Dec 31 18:00:12 kernel: 0x04134ebc-0x06000000 : "rootfs2"
Dec 31 18:00:12 kernel: Creating 3 MTD partitions on "brcmnand":
Dec 31 18:00:12 kernel: 0x00000000-0x02000000 : "trx"
Dec 31 18:00:12 kernel: 0x04000000-0x06000000 : "asustrx2"
Dec 31 18:00:12 kernel: 0x06000000-0x07f00000 : "brcmnand"
Dec 31 18:00:12 kernel: dev_nvram_init: _nvram_init
Dec 31 18:00:12 kernel: u32 classifier
Dec 31 18:00:12 kernel: OLD policer on
Dec 31 18:00:12 kernel: Netfilter messages via NETLINK v0.30.
Dec 31 18:00:12 kernel: nf_conntrack version 0.5.0 (2048 buckets, 16384 max)
Dec 31 18:00:12 kernel: ipt_time loading
Dec 31 18:00:12 kernel: ip_tables: (C) 2000-2006 Netfilter Core Team
Dec 31 18:00:12 kernel: net/ipv4/netfilter/tomato_ct.c [Nov 4 2014 22:08:47]
Dec 31 18:00:12 kernel: ip6_tables: (C) 2000-2006 Netfilter Core Team
Dec 31 18:00:12 kernel: VFS: Mounted root (squashfs filesystem) readonly.
Dec 31 18:00:12 kernel: Warning: unable to open an initial console.
Dec 31 18:00:12 kernel: Failed to execute /sbin/preinit. Attempting defaults...
Dec 31 18:00:12 kernel: Algorithmics/MIPS FPU Emulator v1.5
Dec 31 18:00:12 kernel: et: module license 'Proprietary' taints kernel.
Dec 31 18:00:12 kernel: et_module_init: passivemode set to 0x0
Dec 31 18:00:12 kernel: et_module_init: et_txq_thresh set to 0x400
Dec 31 18:00:12 kernel: bcm_robo_enable_switch: EEE is disabled
Dec 31 18:00:12 kernel: eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.30.163.2002 (r382208)
Dec 31 18:00:12 kernel: wl_module_init: passivemode set to 0x0
Dec 31 18:00:12 kernel: PCI: Enabling device 0000:01:01.0 (0000 -> 0002)
Dec 31 18:00:12 kernel: eth1: Broadcom BCM4331 802.11 Wireless Controller 6.30.163.2002 (r382208)
Dec 31 18:00:12 kernel: PCI: Enabling device 0000:02:01.0 (0000 -> 0002)
Dec 31 18:00:12 kernel: eth2: Broadcom BCM4360 802.11 Wireless Controller 6.30.163.2002 (r382208)
Dec 31 18:00:12 kernel: SCSI subsystem initialized
Dec 31 18:00:12 kernel: ufsd: driver (8.6 U86_r187446_b122, LBD=ON, acl, ioctl, rwm, ws, sd) loaded at c01f8000
Dec 31 18:00:12 kernel: NTFS (with native replay) support included
Dec 31 18:00:12 kernel: optimized: speed
Dec 31 18:00:12 kernel: Build_for__asus_n66u_2011-10-27_U86_r187446_b122
Dec 31 18:00:15 kernel: wlc_phy_cal_init_acphy: NOT Implemented
Dec 31 18:00:15 stop_nat_rules: apply the redirect_rules!
Dec 31 18:00:15 WAN Connection: ISP's DHCP did not function properly.
Dec 31 18:00:19 dnsmasq[340]: warning: interface ppp1* does not currently exist
Dec 31 18:00:19 RT-AC66U: start httpd
Dec 31 18:00:19 RT-AC66U: start httpd - SSL
Dec 31 18:00:19 syslog: Generating SSL certificate...
Dec 31 18:00:19 syslog: Generating SSL certificate...
Dec 31 18:00:21 pptpd[378]: MGR: Config file not found!
Dec 31 18:00:21 disk monitor: be idle
Dec 31 18:00:21 miniupnpd[380]: HTTP listening on port 33299
Dec 31 18:00:21 miniupnpd[380]: Listening for NAT-PMP traffic on port 5351
Dec 31 18:00:25 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Dec 31 18:00:25 rc_service: udhcpc 413:notify_rc stop_pptpd
Dec 31 18:00:25 rc_service: udhcpc 413:notify_rc start_pptpd
Dec 31 18:00:25 pptpd[416]: MGR: Config file not found!
Dec 31 18:00:25 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Dec 31 18:00:25 pptpd[430]: MGR: Config file not found!
Dec 31 18:00:27 rc_service: udhcpc 413:notify_rc stop_upnp
Dec 31 18:00:27 miniupnpd[380]: received signal 15, good-bye
Dec 31 18:00:27 rc_service: udhcpc 413:notify_rc start_upnp
Dec 31 18:00:27 ddns update: ez-ipupdate: starting...
Dec 31 18:00:27 miniupnpd[481]: HTTP listening on port 37008
Dec 31 18:00:27 miniupnpd[481]: Listening for NAT-PMP traffic on port 5351
Dec 31 18:00:27 ddns update: connected to ns1.asuscomm.com (103.10.4.108) on port 80.
Dec 31 18:00:28 ddns update: Asus update entry:: return: HTTP/1.1 200 OK^M Date: Tue, 09 Dec 2014 15:33:52 GMT^M Server: Apache/2.4.9 (Unix) PHP/5.5.14 OpenSSL/1.0.1h^M X-Powered-By: PHP/5.5.14^M Content-Length: 0^M Connection: close^M Content-Type: text/html^M ^M
Dec 31 18:00:28 ddns update: retval= 0, ddns_return_code (,200)
Dec 31 18:00:28 ddns update: asusddns_update: 0
Dec 31 18:00:28 ddns: ddns update ok
Dec 31 18:00:28 rc_service: udhcpc 413:notify_rc stop_ntpc
Dec 31 18:00:28 rc_service: udhcpc 413:notify_rc start_ntpc

I am constantly getting this.
rc_service: udhcpc 484:notify_rc start_ntpc
 
What you're doing wrong, iMHO, is using the dreaded 3602 build.

Find the latest official firmware (which I believe is 3626) or better yet, switch to Merlin's latest build, or John's 374.xx fork.

The official firmware is at this link: http://www.asus.com/us/Networking/RTAC66U/HelpDesk_Download/

But get rid of the 3602 firmware first and then come back and tell us how your AC66U performs.

Also, btw, I noted that it looks like you may have downloaded the version for the N66U, not the AC66U (based on the first of these lines):

Dec 31 18:00:12 kernel: Build_for__asus_n66u_2011-10-27_U86_r187446_b122
Dec 31 18:00:15 kernel: wlc_phy_cal_init_acphy: NOT Implemented
Dec 31 18:00:15 stop_nat_rules: apply the redirect_rules!
Dec 31 18:00:15 WAN Connection: ISP's DHCP did not function properly.
Dec 31 18:00:19 dnsmasq[340]: warning: interface ppp1* does not currently exist

Not that it really matters because just about everyone who has used the 3602 firmware has complained that it either causes their 5ghz to completely disappear or that it causes disconnects.

One other tip: Be sure that your client devices are using the correct drivers too. Wrong client drivers can have the same effect, i.e., dropped connections.
 
Last edited:
Awesome thanks! WOW did not know I used the N series firmware.. Geeze I'm an idiot.. I will do that ASAP. :rolleyes: Can you link me to merlins build? Thanks again.
 
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