MikroTik

VARELA

You can block spammer based on IP/port filter rules or you can "play" with
/ip firewall layer7-protocol http://wiki.mikrotik.com/wiki/Manual:IP/Firewall/L7
and, maybe, some scripts.

VARELA

ROS v5.25 does not have this problem, at least I have not seen.

VARELA

Do you understand differences in chains (input,forward)?
There are many unnecessary rules. 19? 20? 21? 22?
Maybe better accept access for ssh or icmp or another services from trusted network?
Try to disable unused services in "/ip service".

VARELA

You don't need 24dB or more antena gain.
You need antena which give you -70..-60 dBm signal strength for maximum channel speed (802.11A - 54M, 802.11N - 150M or 300M).
And don't forget about Fresnel zone if you need maximum throughput.

VARELA

Console log on broken RB. Any suggestions? System repaired with Netinstall. Press any key within 2 seconds to enter setup.. loading kernel from nand... OK setting up elf image... OK jumping to kernel code Starting... modprobe: module flash not found. modprobe: failed to load module flash modprobe: m...

VARELA

Today in the moning during 1 hour was updated ~200 RB.
But 6 RB has problem:
3 don't start;
3 start with only few packages (other is absent, not disabled). Mainly system, user-manager;

I don't need help but I say it for information.

VARELA

Fresnel zone, signal strength, noise, ...

VARELA

How it may be more easier?
Have you any proposal?

VARELA

Not only MAC should be added.
If you add new record and firstly add comment then record will be added with blank MAC and clients will reconnect.
So add MAC and interface/forward/... first.

VARELA

I had such occasion when added blank MAC.
Example, + > select interface (options) or add comment > Apply > insert MAC > OK.

Add MAC first and then make edit.

VARELA

Try to set adaptive-noise-immunity=ap-and-client-mode.

VARELA

Maybe noise on this frequencies?
Are sites situated nearby?

VARELA

~3500.
Almost every BS has own PPPoE server.

VARELA

~100 pppoe servers and 1 radius.

VARELA

I use this things. But in previous versions default value=5m, now is 0s.
Sometimes I have IP collision in PPPoE and I want to find a reason.

VARELA

What does it mean? Does NAS never update information?

VARELA

Everyone hope...

http://forum.mikrotik.com/viewtopic.php?f=13&t=66595
http://forum.mikrotik.com/viewtopic.php?f=2&t=65239

VARELA

The problem with the terminal still active...

VARELA

http://forum.mikrotik.com/viewtopic.php?f=13&t=66595
http://forum.mikrotik.com/viewtopic.php?f=2&t=65239

VARELA

I have same problem (x86, 1Gbit Intel).
IP on VLAN interface.
~20% packet loss.
Downgrading to 5.24 solved the problem.

VARELA

In terminal

/export compact

VARELA

Hotspot files...

VARELA

Yes.
You can clear configuration without any predefines

/system reset-configuration no-defaults=yes

Then make setup on wlan1.

VARELA

If you have added interface to bridge then you must operate with bridge interface and setup Hotspot on bridge interface.
IP address must be assigned to bridge too.
Otherwise use regular interface (wlan1?).

VARELA

It's too fun, but I open terminal and it is freezed.
Then I click Make Supout.rif->Make it! and the terminal begin work.

VARELA

Most users do not see the problem, because they using winbox or webfig.
But the problem exist.

VARELA

Try Netwatch http://wiki.mikrotik.com/wiki/Netwatch . You can change interval and timeout. And On Down event run /interface disable wlan1; :delay 5; /interface enable wlan1; :log info "wlan1 restarted" But it is temporary solution. Set for wlan1 adaptive-noise-immunity=ap-and-client-mode. ...

VARELA

Upgrade to 5.23 or 6.0rc7 don't resolve this problem.
Reboot can help for some time.

VARELA

Hi can i have help with a script for router backup, If i could automate with scheduler say /export file=backupAP1 But can the script overwrite the older backup in "files" Files with same name overwrites automaticaly. Or try /file remove [find type=backup] before backuping to remove all ol...

VARELA

The same problem when connecting over telnet.

VARELA

VARELA, looks like you are using MAC address to connect. This is a very slow and unreliable method of communication, and many items are loaded slowly.

Use IP address and check if you have the same problem.

I use IP address. This problems is on remote servers.

VARELA

Strange coincidence: Scheduler is inactive on such routers.

VARELA

Nuance... sftp and scp works good.

VARELA

VARELA

please to enable ssh topic in logging, or ssh,debug topics for more details on ROS end.

Because terminal is not working I attach screenshots

VARELA

can you post output with -vvvv flags, along with RouterOS ssh log with the problem. ssh -vvv HOST OpenSSH_5.8p2_hpn13v11 FreeBSD-20110503, OpenSSL 0.9.8q 2 Dec 2010 debug1: Reading configuration data /home/XXXXXX/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug2: ssh_connect...

VARELA

Tried from different OS (FreeBSD, Linux, Windows(PuTTY)).
Problem present on different devices: 2*RB800 and 4*RB433AH.
Only reboot can help for some time.

VARELA

What is difference for you which IP to get?

VARELA

Set on gateway device for your LAN.

VARELA

Version 5.21 too...

Maybe it can help

ssh -vv [host]
For good connections - debug2: tcpwinsz: 66608 for connection: 3
For bad connections - debug2: tcpwinsz: 66056 for connection: 3

VARELA

Try to disable change-tcp-mss (encryption, compression) in ppp profile.

VARELA

Chupaka GURU!

Work beter, but sometims disconnect.

VARELA

Ok. But how can I fix disconnection problem?

VARELA

Hi.
I have bridge with wlan and ether interfaces.
PPPoE server is runing on bridge.

PPPoE clients disconnected when interface state going down

There is disable-running-check option for wlan, but for ethernet it is absent.

How can I fix this problem?

VARELA

Work. Thank you!
I forgot about version (3.22).
Maybe remove this topic?

VARELA

Hi. I have problem with regexp. For example, there is list of wireless clients in access-list and I want view record, where comment contain some IP: ### 8 ;;; 123456 Some comment 192.168.2.5 mac-address=00:00:00:00:00:00 interface=sector signal-range=-120..120 authentication=yes forwarding=no ap-tx-...

VARELA

You can write expect script that will connect to routers from specific address list and execute needed commands.

But local machine is MikroTik - base station, and need connect to client MT.
Can I write expect script on MT?

VARELA

...
/system ssh "host"
#need automatically enter pass and executable command

Please, help to connect...

VARELA

Hi!
Can I automatically connect to another MT (password auth.) and execute command with script?
For example, I have local MT and want to set some parameter on another 100 MT's:
/interface wireless set wlan1 ack-timeout=115

I don't want enter password 100 times...

Thanks.

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