RARE user and assistance email list

["mc36" <>]

hi

On 1/20/22 22:51, mc36 wrote:
> > Instead of using my builds I started learning freeRouter with
> > preconfigured vm http://dl.nop.hu/rtr.qcow2 in GNS3. I connected
> > freeRouter ethernet1 with interface eth0 in CentOS 8 vm.
> > If I configure ipv4 addresses on ethernet1 and eth0 then ping revives 
> > responses.
> > But if I create vlan subinterface then on freeRouter side packets
> > dropped (drop counter increased).
> >
> > vrf definition vrf1000
> >    exit
> > !
> > interface ethernet1
> >    no description
> >    no shutdown
> >    no log-link-change
> >    exit
> > !
> > interface ethernet1.1000
> >    no description
> >    vrf forwarding vrf1000
> >    ipv4 address 10.0.0.1 255.255.255.0
> >    no shutdown
> >    no log-link-change
> >    exit
> > !
> > yourname#show interfaces summary
> > interface             state   tx     rx     drop
> > ethernet1             up         204   220   220
> > ethernet1.1000   up         180   0       0
> >
> > tcpdump on CentOS vm:
> > 16:22:04.852869 0c:54:92:93:00:00 > ff:ff:ff:ff:ff:ff, ethertype
> > 802.1Q (0x8100), length 48: vlan 1000, p 0, ethertype ARP, Request
> > who-has 10.0.0.2 tell 10.0.0.1, length 30
> > 16:22:04.852930 0c:74:2f:51:00:00 > 0c:54:92:93:00:00, ethertype
> > 802.1Q (0x8100), length 46: vlan 1000, p 0, ethertype ARP, Reply
> > 10.0.0.2 is-at 0c:74:2f:51:00:00, length 28
> > 16:22:05.854054 0c:54:92:93:00:00 > ff:ff:ff:ff:ff:ff, ethertype
> > 802.1Q (0x8100), length 48: vlan 1000, p 0, ethertype ARP, Request
> > who-has 10.0.0.2 tell 10.0.0.1, length 30
> > 16:22:05.854085 0c:74:2f:51:00:00 > 0c:54:92:93:00:00, ethertype
> > 802.1Q (0x8100), length 46: vlan 1000, p 0, ethertype ARP, Reply
> > 10.0.0.2 is-at 0c:74:2f:51:00:00, length 28
> >
> > Configuration parameter that I found in some file from /cfg/ fails
> > yourname(cfg-subif)#encapsulation dot1q 1000
> > invalid command, try encapsulation dot1q ?
> >
> > Am I doing something wrong?
>
> it's not your fault, it's how that image was built...
> if you replace in /rtr/rtr-hw.txt the rawInt lines to pcapInt then imho it'll 
> solve the problem:
> so not all native inferface drivers can process well the vlan tags, pcap is 
> the safe bet for this...
>
> it's quite new that all the binaries are within that vm image, and rawint was 
> used and developed
> becase it have no dependencies at all... (adding all th binaries bumped the 
> image by 10mb!)
> but those times are gone, now i'm packing all the bins so i'll update the vm 
> creation to use
> the pcapint instead.... thanks for the report! :)

here we goo: 
https://github.com/mc36/freeRouter/commit/dfb58b5282595c68c3c2165f55086e9d9aae5efd
so i forgot to mention that freerouter hides the linux completely from you so 
editing /rtr/rtr-hw.txt
is a bit hard... you should try "flash commander", and mc fn keys or "flash editor 
/rtr/rtr-hw.txt"...
or even easier if you redownload the qcow... :)

regards,
cs


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