MikroTik

TUNG0407

Dear ALL, I'm deploying the LTE soltuion to my customer, i used RBD53GR-5HacD2HnD, but the bad signal in the container office, so i'm looking to install the LtAP mini LTE kit with ANT LTE 5o on the top of container office outdoor or MikroTik S53UG+5HaxD2HaxD-TC&FG621-EA - Chateau LTE6 ax with AN...

TUNG0407

is thre any infomration missing?
Anyone can help?

TUNG0407

@ rextended any idea?
Thanks

TUNG0407

Below is the code under system ->script :global GETlosspercent [/tool netwatch get value-name=loss-percent [find host ="10.255.1.1"]]; :log info $GETlosspercent; /tool/fetch http-method=post mode=https http-header-field="Content-Type: text/html; charset=utf-8" url="https://X...

TUNG0407

Sorry, is it normal behavior?
If will create many file, the storage will be out of order.

TUNG0407

Dear ALL,

I created the script to get some netwatch value and upload to my web site, but i found after the script executed, the file list will auto create the file, the file name is my URL link, anyone can help?

TungHo

TUNG0407

- ethernet connections loose packets (bad checksum, collision, etc) i think NO, the CCR2116 , RB450Gx4 and PC is directly connected. - routers drop packets if queue gets full no any queue setting. - TCP uses missing packets for congestion control (different algoritms possible: Reno, cubic, compound,...

TUNG0407

Dear ALL, Some users complaint the slow network, we had use ping to test it, they are no any packet lost found, but use the Wireshark to capture the data,we had use btest to do the bandwidth test from PC to CCR2116, if the bandwidth over 200M with mode =TCP and Direction = both , it will found the &...

TUNG0407

Dear ALL, I'm looking to use Netwatch to monitor some IPs to trigger the routing, but i found a strange issue, the ping and netwatch result is mismatch, i used the ping tool is able to ping 8.242.4.210, but I use netwatch is showing the "down" status and the RTT Avg,Min,Max, Jitter and Std...

TUNG0407

SNMP has timeout, if you are trying to monitor something that could take a lot of time to process, then it will time out, for example large routing tables.

Do you have suggestion?
or will be fix it in further version soon?

TUNG0407

Same Here, CRS326-24S+ v7.7 with all ports connected and peak aggregate bw of 57gbps.
SNMP take long time, and the graphs missing every 3-4 hours.
Solution, increase timeout on CACTI.

Do you have the suggested value on SNMP timeout?

TUNG0407

Ｏur ＣＡＣＴＩ just monitor the interface graph only, any solution?

TUNG0407

Dear ALL,

I have 2 x router upgraded from v6.49.3 to 7.6 & 7.7, both router SNMP is not work and get the same error.

"timeout while waiting for program 44"

anyone can help?

Tung

TUNG0407

chain=AS-ISP1-Out prefix=202.73.32.0/19 prefix-length=19-24 bgp-communities="" invert-match=no action=discard set-bgp-prepend-path="" set-bgp-communities=""

how to migrate to v7?

TUNG0407

bgp-as-path-slow-legacy has the same syntax as regexps in ROSv6, so the same regexp should work in ROSv7.

Yes, but i'm looking to use ROSv7.0 filter.

TUNG0407

Dear ALL, I'm migrating the routing rulte from ROSv6 to v7, i dont know how to re-write the reg exp, anyone can help? ros v.6 if (bgp-as-path-slow-legacy "^111,222$") { set bgp-local-pref 270; append bgp-communities 111:222; accept; } if (bgp-as-path-slow-legacy "^111,222,([0-9]+)&quo...

TUNG0407

i had used v6.0, in v6.0, if i configured some rule to filter the prefix , i can't see the filtered prefix, that why i'm looking to setup the different routing table to store the prefix.

TUNG0407

Dear ALL,

We had 3 x upstream provider will full feed routing table, we can create the 3 x routing table to store the each upstream prefix, but how to put the best route in the main routing table?

Anyone can help?

TungHo

TUNG0407

Dear ALL, To enhance the BGP stability, i 'm planning to upgrade the ROS6 to ROS7, but the route filter cant direct upgrade, anyone can help to translate it? add action=jump chain=AS-Local-Out comment=DDOS-Out jump-target=DDOS-Out add action=accept append-bgp-communities=no-advertise bgp-communities...

TUNG0407

If you can Update via Winbox...
Yes

Or do you mean something else ?

Sorry, i means all the configuration can via winbox, no CLI required, right?

TUNG0407

Dear ALL,

I'm planning to upgrade the ROS to v7.1, is it all setting can do it via winbox?

TungHo

TUNG0407

You might be able to use filters to adjust distance on one vs the other imported route - as changing the interface cost will affect both. Alternatively, deliver both PE's on a separate ports, or if it must remain single port, split it out in VLANs, this way you can adjust the cost of PE2 slightly h...

TUNG0407

Dear ALL,

I'm setting the MPLS + OSPF network, the CPE are connecting to the two PE router, the CPE can receive the dst address from the two PE router, but i want to force the traffic via the PE router 1(10.1.8.1) , how to do this?

TungHo

TUNG0407

Dear ALL,

I had used the CCR1009 as the MPLS router, but all the Ethernet port are occupied, so I'm planning to use CRS317-1G-16S+RM and SwitchOS as the MPLS hop, is there anyone can share the experience?

TungHo

TUNG0407

So what is the BGP improvement on v7.0?

TUNG0407

MikroTik does not yet offer a real multilayer switch, not with any performance you are probably going to need. Look at the size, costs, and feature set of a Cisco, and you can understand their value for a given situation. The routing decision is made with higher cost ASIC circuits.

Thank you

TUNG0407

A CRS is not a 1:1 replacement for a layer 3 switch! When you really need layer 3 switching you should buy another layer 3 switch, and MikroTik does not have one in their product gamma. A CRS is only useful for layer 2 switching with limited features (although more and more is being added over time...

TUNG0407

Dear ALL,

I'm looking for to replace the existing Cisco C3750 switch , i'm confuse on the CRS series's test result, my C3750 as the layer 3 switch, any suggestion?
CRS312-4C+8XG-RM?CRS328-4C-20S-4S+RM?

TungHo

TUNG0407

Dear ALL,

Is it not support BGP peer under VRF interface?

TungHo

TUNG0407

Has any of your configuration changed? TungHo: No, haven't change the setting over a year. If not, i'd disable and re-enable the peering and then upgrade to the latest bugfix version of ROuterOS tungHo: i have try to disable and re-enable the peer at that moment, but still can't receive the prefix ...

TUNG0407

Dear ALL,

We have two ccr1009(Version 6.37.1) and running iBGP a year normally, but today we found the BGP session is established
, RouterA can receive the prefix from Router B, but Router B can’t receive the prefix from Router A.
Anyone can help to troubleshoot the problem?

TungHo

TUNG0407

Dear Sir, We have setup the OSPF, MPLS and iBGP to connect the 3 router, we found the strange problem, if enabled the mpls on R3, we can’t ping to R2:10.255.255.2, but R2 can ping to R3:10.255.255.3. If disabled the mpls on R3, R3 can ping to R2:10.255.255.2 and R2 can ping to R3:10.255.255.2? anyon...

TUNG0407

Dear All,

Our upstream provide have community XXX:4001 for local traffic ,but we use WINBOX to search, get failed.
Anyone know how to search it?

TungHo

TUNG0407

Dear ALL, I have two of CCR1036-12G-4S running iBGP and eBGP, the iBGP is using L2 private line and IPIP tunnel(Backup Purpose, one of router is using PPPoE internet line) for internal connection. We found if the PPPoE disconnect or re-dialup, all of BGP session(include iBGP amd eBGP session) will b...

TUNG0407

Dear ALL, We have connection with IX center, one of ISP set the BGP community tag 0:0 in their IP prefix. But we have other BGP community tag xx:666 for blackhole community. I have add routing filter for community tag 0:0 as accept and set local pref to 210, is it working. Is there any solution or t...

TUNG0407

Dear Mikrotik,

Can you provide the sample policy for ref?

TungHo

TUNG0407

Dear Sir,

Our ISP request us to disabled the proxy arp in our side.
I’m confuse which setting in interface is correct.
Anyone can help?

TungHo

TUNG0407

Hi ALL, I can setup the second AS number in one BGP router. Based on our environment, we can’t combine the IP prefix into one AS number, because we are different company and different AS number. If we announce the IP prefix to upstream ISP, but those IP prefix in different AS number, is it possible?...

TUNG0407

Hi All, We must use 1 CCR1036 to mangle 3 x AS number, 3 x ISP peering and 1 x local IX,because of if use 3 x CCR1036 to mangle different AS number, the Qos can't mangle the local IX.(Use dst interface to control the bandwidth). I'm trying to use samsung172 provided code to config it, but seems not ...

TUNG0407

Hi samsung172 ,

thanks for your useful information.
Our company had two AS number and 2 x IP range, so I'm asking how to setup the 2 x AS number in same router.
Is it possible to announce 2 x IP range to upstream ISP without configure the second AS number in router?

TungHo

TUNG0407

Question: 1.Can we use one router(RouterOS CCR1036-8G-2S+EM) instead of the 4 x Vyatta router? Yep - 1 bgp session to each peer. Not quite right, they will need an instance per AS they are advertising, then a session per peer, but still possible. 3. We have 4 x ISP peering. How to control the inbou...

TUNG0407

Hi ALL,

Thanks for your information.
Is it better to separate the ISP peering in different router or ALL oversea ISP peering into one router?
I'm concern the bandwidth control and control the incoming traffic,becasue of the vyatta can't do that now.

TungHo

TUNG0407

Hi ALL, We are planning to migrate our Vyatta BGP router to RouterOS CCR1036-8G-2S+EM. Existing Router Setting: Router: AS number: Peering: Vyatta Router1: AS :1001(IP:1.1.1.0/21) ISP1 Vyatta Router2: AS :1001(IP:1.1.1.0/21) ISP2,ISP3 Vyatta Router3: AS :1002(IP:2.2.2.0 /21) ISP4 Vyatta Router4: AS ...

TUNG0407

HI all,

I can use Android or iPhone to bulid up the L2tp over IPSEC VPN to RB450G v5.24,but I found that if multiple users log-in from the same remote address (in ipsec remote peers),only the last log-in user can use the VPN service.
Anyone can help ?

Sorry........for my bad english.

TungHo

TUNG0407

Hi All,

I'm using RB450G,the ether4 port always has 40-50mb traffic,i used the Torch to check the data,the data traffic is generate from the same subnet network.
What should i do?
Thanks

TungHo

TUNG0407

Sorry, I want to block to use the mac-address telnet.
I off the discovery interface,the problem is solved.
Thanks to all

TUNG0407

How to shutdown the mac address telnet?
We want to hidden the RouterOS.

TUNG0407

Attached the picture

TUNG0407

i'm using RouterOS version3.2,Cisco 1721 IOS C1700-ADVSECURITYK9-M. I can success to build up the ipsec tunnel,when I check the record from winbox->IP->IPsec->Remote Peers,it displays more than one same remote address,but I use Linksys RV016,there was no this problem,How can i do that? Many Thanks S...

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