Community discussions

Search found 161 matches

by blackmetal
Sat Jul 13, 2019 6:39 pm
Forum: Forwarding Protocols
Topic: whats different between ip route blackhole and bgp blackholing actions?
Replies: 0
Views: 188

whats different between ip route blackhole and bgp blackholing actions?

Hello, For blackhole a /32 we add that /32 in bgp->networks then in our bgp filtering rules accept it with the community that our upstream give us, but i am curious whats the difference between this action with add that /32 with bgp-community and blackholing type in routing table, are both of them s...
by blackmetal
Wed Jul 10, 2019 8:33 am
Forum: General
Topic: watchdog timer cause reboot
Replies: 4
Views: 318

Re: watchdog timer cause reboot

Hello,
i have upgrade my routerboot firmware and it seems my problem solved.
my router is up for about 5-6 days now and it seems it was a bug between ros and routerboot firmware that has issue when sending watchdog signal to routerboot
by blackmetal
Mon Jul 08, 2019 9:08 am
Forum: Forwarding Protocols
Topic: question about bgp extended community
Replies: 0
Views: 140

question about bgp extended community

Hello, For 16 bit as number in inbound routing filter i am using set bgp community and for my upstream i am using bgp-communities so in this way i will only permit prefixes for my peers on their bgp session and does not permit whole prefixes for my outbound filtering again, so if i have a problem wi...
by blackmetal
Thu Jul 04, 2019 10:37 am
Forum: General
Topic: watchdog timer cause reboot
Replies: 4
Views: 318

Re: watchdog timer cause reboot

Thank you for your comment, but i have never any problem with stable versions, anyway, are we able downgrade routeros and firmware from 6.45.1 to 6.43.16 ? and whats your idea about this issue that i explained? in addition to all of them i have upgraded them to 6.45.1 because i as you know they were...
by blackmetal
Thu Jul 04, 2019 8:32 am
Forum: General
Topic: watchdog timer cause reboot
Replies: 4
Views: 318

watchdog timer cause reboot

Hello, 2 days ago Mikrotik announced 6.45.1 that they solved some security issues on that version and i have upgraded all of my CCR's to 6.45.1 but after upgrade one of my CCR1036-8G-2S+ to 6.45.1 it reboots suddenly twice in 3 days. and the log was this : router was rebooted without proper shutdown...
by blackmetal
Fri Jun 07, 2019 12:02 am
Forum: Scripting
Topic: question about traffic monitor scripting
Replies: 0
Views: 177

question about traffic monitor scripting

Hello,
i want to use traffic monitor feature but I need a script that checks received speed for an interface every 1 minutes or 30 seconds and if the speed of that interface was above than threshold for 1m or 30s then run some commands,
can anyone help me?

Thank you.
by blackmetal
Thu Jun 06, 2019 6:12 pm
Forum: Forwarding Protocols
Topic: main diffrence between weight & local pref?
Replies: 5
Views: 398

Re: main diffrence between weight & local pref?

Hello,
right now everything is clear and i understood.
just a question is there any way that set which peers first start to load and install routes and for example if that peer was not existed then load the second peer and install their routes in FIB?
thank you.
by blackmetal
Thu Jun 06, 2019 4:01 pm
Forum: Forwarding Protocols
Topic: main diffrence between weight & local pref?
Replies: 5
Views: 398

Re: main diffrence between weight & local pref?

Hello, actually i was using weight and when one of my bgp session died it takes about 5-10m for switch the outbound traffic to other peers but with local pref right now it takes about 2m , so in the speed i think local pref is winner, so I want to check with your guys if i am wrong in this case abou...
by blackmetal
Thu Jun 06, 2019 9:48 am
Forum: Forwarding Protocols
Topic: question about bgp full table from 2 different provider
Replies: 4
Views: 305

Re: question about bgp full table from 2 different provider

ah, signle thread on mikrotik generated much issues ! i hope they solve this in ros 7 as they already has this in their plan.
by blackmetal
Wed Jun 05, 2019 4:45 pm
Forum: Forwarding Protocols
Topic: main diffrence between weight & local pref?
Replies: 5
Views: 398

main diffrence between weight & local pref?

Hello, i know weight and local pref do same things for outbound routes, and weight is for cisco devices, but the question here is whats the main difference between them? when should we use weight and when should we use local pref? for example when you have 4m routes installed in your route table, us...
by blackmetal
Wed Jun 05, 2019 4:42 pm
Forum: Forwarding Protocols
Topic: question about bgp full table from 2 different provider
Replies: 4
Views: 305

Re: question about bgp full table from 2 different provider

when i change weight/local pref then it takes about 3-5m for update the weights because i haveabout 4m routes in my route table.
by blackmetal
Mon Jun 03, 2019 3:19 pm
Forum: Forwarding Protocols
Topic: question about bgp full table from 2 different provider
Replies: 4
Views: 305

question about bgp full table from 2 different provider

Hello, i have 2 different carrier on my router and i have set weight 350 for my first carrier and force it for my outbound traffic and set second carrier weight to 300 and i am receving bgp full table from both providers. my problem here is when my bgp session with carrier #1 disconnect it takes abo...
by blackmetal
Sun Apr 28, 2019 3:50 pm
Forum: General
Topic: mikrotik power on hours
Replies: 6
Views: 396

Re: mikrotik power on hours

I want check how much this device worked, because its for my friend and he told me it worked for 2month so i want check if it really worked 2month or not
by blackmetal
Sun Apr 28, 2019 2:18 pm
Forum: General
Topic: mikrotik power on hours
Replies: 6
Views: 396

mikrotik power on hours

Hello,
i have a ccr 1072 can i check power on hours for this devic e? is there anyway for do this?

Thank you.
by blackmetal
Sat Apr 20, 2019 9:27 am
Forum: General
Topic: question about advertised command
Replies: 0
Views: 147

question about advertised command

Hello,
i have many bgp peers and when i want see one of my prefix is advertising to which peers i will execute "routing bgp advertisements print where prefix =192.168.0.1/24" but it takes about 4-5 minutes at least. is there any command that process this faster?


Thank you.
by blackmetal
Fri Apr 12, 2019 2:01 pm
Forum: Forwarding Protocols
Topic: question about advertised route and memory
Replies: 0
Views: 174

question about advertised route and memory

Hello,
i have about 3m routes on my route tables so i want advertise them to a peer , now my question is when i advertise these routes to a peer they take memory ? or only when i receive route from a peer it makes my memory busy ?
thank you.
by blackmetal
Thu Apr 04, 2019 3:22 pm
Forum: The Dude
Topic: function for traffic monitoring for all devices
Replies: 0
Views: 258

function for traffic monitoring for all devices

Hello,
i have 5 CCR 1036 and i have about 200 vlans on every device i need a function that alert me when an interface exceed X mbps , i find some topics that explains this for 1 interface for index id but i need monitor all vlans, ethernet, bonding m....

THank you.
by blackmetal
Thu Apr 04, 2019 10:01 am
Forum: The Dude
Topic: CCR CPU % monitoring
Replies: 2
Views: 316

Re: CCR CPU % monitoring

thank you so much!
do you have any idea how can manage traffic monitor in dude? i want dude monitor my uplink (its a ethernet port or somewhere bonding) and when exceed Xgbps inform me.
do you have any idea?
by blackmetal
Wed Apr 03, 2019 9:29 am
Forum: The Dude
Topic: CCR CPU % monitoring
Replies: 2
Views: 316

CCR CPU % monitoring

Hello,
how can i setup my dude software that check CPU % for my CCR's and when CPU usages was above %40 send an email to me or execute a file on my local server?
thank you.
by blackmetal
Fri Mar 15, 2019 9:19 pm
Forum: RouterOS v7
Topic: Feature request: BGP4-MIB (RFC 4273)
Replies: 32
Views: 5213

Re: Feature request: BGP4-MIB (RFC 4273)

+1 again and again.
i know when this feature release i may not alive but i hope my son can use this feature :D we request this many times. and we should monitor many peers with eyes or script!
by blackmetal
Fri Mar 15, 2019 8:03 am
Forum: Forwarding Protocols
Topic: bgp routing best practice for outbound?
Replies: 3
Views: 473

bgp routing best practice for outbound?

Hello, i have 3 upstream provider and i have 2 bgp session from each one (first session is master and second one is backup) and i have only 1 bgp session from 3rd provider. and i am receiving full bgp table from each one. i configured weight for each session as following : first provider with first ...
by blackmetal
Sun Mar 10, 2019 8:11 am
Forum: General
Topic: problem with connection tracking/RAW filering rules order after reboot the router
Replies: 0
Views: 164

problem with connection tracking/RAW filering rules order after reboot the router

Hello, i have a Mikrotik CCR 1036 8G 2S+ and i have disabled connection tracking and i saw there are rules like as following for keep CT in disabled mode https://s3.eu-west-2.amazonaws.com/blackmetal1/files/2019/03/winbox_wXsBNE7GMU.png now the issue is when i reboot the router the first 2 rules (fo...
by blackmetal
Tue Feb 12, 2019 7:39 am
Forum: General
Topic: problem with executing /export compact
Replies: 0
Views: 263

problem with executing /export compact

Hello, i have a mikrotik ccr 1016 12s 1s+ with 4 bgp peers with full routing bgp peer with each of them, now the issue is when i want backup my router with /export compact command after i execute this is show the configs until /ipv6 firewall filter step (after that it show /lcd command) then it wait...
by blackmetal
Sat Feb 09, 2019 9:42 am
Forum: Forwarding Protocols
Topic: qustion about local pref and multi path
Replies: 0
Views: 279

qustion about local pref and multi path

Hello, i have a mikrotik ccr with 6 bgp peers, 4 bgp peers is from out ip transit's and i am receiving full routing (bgp) table from them. 2 bgp session is over GRE tunnel. and i am receiving 1.1.1.0/24 and 2.2.2.0/24 (for example) from customers that have bgp with me over GRE tunnel. now sometimes ...
by blackmetal
Mon Feb 04, 2019 7:24 am
Forum: Forwarding Protocols
Topic: set bgp weight for bgp neighbour instead prefix ?
Replies: 0
Views: 244

set bgp weight for bgp neighbour instead prefix ?

Hello,
i want know is it possible that set weight per bgp neighbour instead prefix like cisco ? so for every prefix we do not use route map or route filter.

THank you.
by blackmetal
Sun Feb 03, 2019 8:43 am
Forum: General
Topic: Mikrotik CCR 1016 12S 1S+ memory upgrade?
Replies: 0
Views: 314

Mikrotik CCR 1016 12S 1S+ memory upgrade?

Hello,
i have a Mikrotik CCR 1016 12S 1S+ and due to bgp table i need to upgrade memory to 4gb or 16gb so is it possible upgrade memory for this device?
if yes what brand do you suggest?
thank you.
by blackmetal
Fri Feb 01, 2019 9:13 am
Forum: General
Topic: CCR 1016 12S 1S+ with 4 BGP Peers with full table?
Replies: 0
Views: 296

CCR 1016 12S 1S+ with 4 BGP Peers with full table?

Hello, i have a CCR 1016 12S 1S+ and i have 4 BGP Peers on it, now i want receive full bgp table from all bgp peers (from that 4 bgp peers) and as you know ccr 1016 memory is 2gb so is it enough for manage this? and also i have a ccr 1036 12g 4s and it has 4gb memory and i have 2 bgp peers on it wit...
by blackmetal
Wed Jan 30, 2019 2:00 pm
Forum: Forwarding Protocols
Topic: Problem while using VRRP between routers with BGP
Replies: 7
Views: 660

Re: Problem while using VRRP between routers with BGP

Hi,
in bgp actions tab i look for distance there was nothing and then i check actions that and use set distance but no sucess.
thanks
by blackmetal
Wed Jan 30, 2019 10:00 am
Forum: Forwarding Protocols
Topic: Problem while using VRRP between routers with BGP
Replies: 7
Views: 660

Re: Problem while using VRRP between routers with BGP

Hello,
both of my routers has same AS and esbtalished bgp with same router with my carrier.
also i have ospf between my routers (not physcally) but with vlan.
so hwo can i chahnge distance?
thanks
by blackmetal
Wed Jan 30, 2019 8:34 am
Forum: Forwarding Protocols
Topic: Problem while using VRRP between routers with BGP
Replies: 7
Views: 660

Problem while using VRRP between routers with BGP

Hello, i have 2x CCR and both of them are connected to my provider same switch. and on both of them i have configured bgp and vrrp and both of them are announcing same prefixes. but the issue is incoming traffic is available on both router however i want only force traffic to my master router and if...
by blackmetal
Sun Jan 27, 2019 11:15 am
Forum: General
Topic: bulk update for interface with 180 VLANs
Replies: 1
Views: 279

bulk update for interface with 180 VLANs

Hi,
i have around 180 Vlans on my router i want move them from Ether1 to BondingInterface1 so is there any command for do this?
thanks
by blackmetal
Thu Jan 17, 2019 5:05 pm
Forum: General
Topic: Mikrotik VRRP question
Replies: 4
Views: 377

Re: Mikrotik VRRP question

as i read https://mum.mikrotik.com//presentations ... _Nikos.pdf there is no need for vrrp per interface~!
by blackmetal
Thu Jan 17, 2019 4:33 pm
Forum: General
Topic: Mikrotik VRRP question
Replies: 4
Views: 377

Re: Mikrotik VRRP question

are you sure this?
for 135 VLANs i should create 135 VRRP interface and set gateway for every vlan to vrrp interface? are you sure?
DC routers is not important for me, so whats the best practice for mikrotik redundancy ?
by blackmetal
Thu Jan 17, 2019 10:49 am
Forum: General
Topic: Mikrotik VRRP question
Replies: 4
Views: 377

Mikrotik VRRP question

Hello, i have a 2 ccr 1036 (1x 1036 8g 2s+ / 1x 1036 12g 4s) both of them are connected to my datacenter provider core switch and both of them are connected to same core switch in my network ( i have core fiber switch for my racks) we have same configs (bgp, vlan, rules,....) on both ccr 1036 and i ...
by blackmetal
Mon Jan 14, 2019 8:12 pm
Forum: General
Topic: question about VRRP
Replies: 0
Views: 208

question about VRRP

Hello, i have a 2 ccr 1036 (1x 1036 8g 2s+ / 1x 1036 12g 4s) both of them are connected to my datacenter provider core switch and both of them are connected to same switch. we have same configs (bgp, vlan, rules,....) on both ccr 1036 and i have around ~135 Vlans on first mikrotik and i have configu...
by blackmetal
Sun Dec 30, 2018 6:25 pm
Forum: General
Topic: Help about Mikrotik Redundancy (Not VRRP)
Replies: 0
Views: 227

Help about Mikrotik Redundancy (Not VRRP)

Hello, as you can see in graph i want put 2 seprate router (1x ccr 1036-8g-2s+ & 1x ccr 1036-12g-4s ) with 2 seprate core switch. and i have 4 rack . so my racks has 2 uplink, one of them is connected to first core switch and second one is connected to secon core switch. also my routers have same co...
by blackmetal
Tue Dec 25, 2018 2:13 pm
Forum: General
Topic: strange problem with PBR rules
Replies: 0
Views: 162

strange problem with PBR rules

Hello, today i face a strange thing ... when i have create a mangle rule and use route action for change next hop it does not work however it already works. but when i mark routing and add static route to 0.0.0.0/0 with marked routes it works, can anyone help me why does not mangle rule with route a...
by blackmetal
Sun Dec 02, 2018 6:30 pm
Forum: General
Topic: question about no track action in raw firewall rules
Replies: 11
Views: 858

Re: question about no track action in raw firewall rules

i do not want protect customers from ddos attacks and its not important for traffic arrives at customer services the only things is prevent router from high cpu usages.
so if i use ip frewall raw rules with no track and fast track connection in filter rules , do i get high cpu usages?
by blackmetal
Sun Dec 02, 2018 4:18 pm
Forum: General
Topic: question about no track action in raw firewall rules
Replies: 11
Views: 858

Re: question about no track action in raw firewall rules

see for example when i receive 500k packets for a user on udp port 9987 my cpu load is aroun %80 then i block that ports in ip firewal -> raw filter then my cpu load will be %0 with same amount of data. right now whats your suggestions instead drop them for this? use no track / use fast track ? i wa...
by blackmetal
Sun Dec 02, 2018 2:25 pm
Forum: General
Topic: question about no track action in raw firewall rules
Replies: 11
Views: 858

Re: question about no track action in raw firewall rules

I'm not sure what you want to achieve. By dropping the packet already using an /ip firewall raw rule, such dropped packet will never reach the connection-tracking phase so it won't generate the CPU load associated to connection tracking. If you just label it as no-track instead of dropping it, it w...
by blackmetal
Sun Dec 02, 2018 7:07 am
Forum: General
Topic: question about no track action in raw firewall rules
Replies: 11
Views: 858

Re: question about no track action in raw firewall rules

is there anyway like no track except drop ? because most of my users have teamspeak server and while they are undder attack i am drop udp 9987 towards their network so i want the dirty packets does not trigger mikrotik connection traccking and prevent cpu usages. whats the other way except black hol...
by blackmetal
Sat Dec 01, 2018 10:01 pm
Forum: General
Topic: question about no track action in raw firewall rules
Replies: 11
Views: 858

question about no track action in raw firewall rules

Hello, i have a ccr 1036 8g 2s+ and in some cases that my users receive ddos attacks (for example too many new connections or around 500k udp) i should add a rule in ip firewall raw with drop action so that packets does not go through connection tracking table (my connection tracking in my mikrotik ...
by blackmetal
Tue Nov 06, 2018 3:11 pm
Forum: General
Topic: strange error on mikrotik crs 326
Replies: 0
Views: 206

strange error on mikrotik crs 326

Hello, i have a mikrotik crs 326 24g 1s+ under my ccr 1009 7g router and today i face a strange error.. suddenly my switch goes down and switch uplinks ports was not connected on my ccr router and also i did not have switch in my neighbour list because switch uplink ports that connected to my router...
by blackmetal
Sun Nov 04, 2018 1:45 pm
Forum: General
Topic: problem while pinging in layer 2 area from mikrotik to cisco
Replies: 0
Views: 208

problem while pinging in layer 2 area from mikrotik to cisco

Hello, i have connected all of my cisco switches by vlan in my floors toa rb750 for remote managemnt but i have packet loss while i ping all of my cisco switches. this is the results: SEQ HOST SIZE TTL TIME STATUS 320 172.16.x.x 56 255 0ms 321 172.16.x.x 56 255 0ms 322 172.16.x.x timeout 323 172.16....
by blackmetal
Sat Nov 03, 2018 6:17 pm
Forum: General
Topic: rules order in raw firewall change
Replies: 11
Views: 646

Re: rules order in raw firewall change

they should not yes, but i have this issue and also they will be upper of dynamic rules in raw tab If you rules order has changed without your knowledge it means your system is compromised. I suggest that you NETINSTAL and start fresh. we have several ccr and all of them has same issue so its not r...
by blackmetal
Sat Nov 03, 2018 6:16 pm
Forum: General
Topic: rules order in raw firewall change
Replies: 11
Views: 646

Re: rules order in raw firewall change

how can i manage dynamic rules that be always top of my rules after restart?
by blackmetal
Sat Nov 03, 2018 3:04 pm
Forum: General
Topic: rules order in raw firewall change
Replies: 11
Views: 646

Re: rules order in raw firewall change

they should not yes, but i have this issue and also they will be upper of dynamic rules in raw tab If you rules order has changed without your knowledge it means your system is compromised. I suggest that you NETINSTAL and start fresh. we have several ccr and all of them has same issue so its not r...
by blackmetal
Sat Nov 03, 2018 1:13 pm
Forum: General
Topic: rules order in raw firewall change
Replies: 11
Views: 646

Re: rules order in raw firewall change

they should not yes, but i have this issue and also they will be upper of dynamic rules in raw tab
by blackmetal
Sat Nov 03, 2018 11:34 am
Forum: General
Topic: rules order in raw firewall change
Replies: 11
Views: 646

rules order in raw firewall change

Hello, we have some CCR 1036 and we have some raw firewall rules in our ccr's when we reboot the router or in such special case rules order will change. so is there anyway save rules order in raw firewall filtering? because i have some rules for block special ports and when the rules order change my...
by blackmetal
Sun Oct 28, 2018 1:33 pm
Forum: General
Topic: creating too many vlans cause any problem?
Replies: 7
Views: 580

Re: creating too many vlans cause any problem?

ok,
as i understand now, if i have 1k or 2k on my ccr 1036 it has no issue right?