Hi thanks for your reply, I've just returned from vacation and are looking into this at the moment. This is more info that should help:
Routes and traceroute:
Before iptv interface dhcp client:
[admin@AquaRouter] > /ip route print detail
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P - prohibit
0 ADS dst-address=0.0.0.0/0 gateway=82.197.195.1 gateway-status=82.197.195.1 reachable via vlan-internet distance=1 scope=30 target-scope=10 vrf-interface=vlan-internet
1 ADC dst-address=82.197.195.0/24 pref-src=82.197.195.239 gateway=vlan-internet gateway-status=vlan-internet reachable distance=0 scope=10
2 ADC dst-address=192.168.88.0/24 pref-src=192.168.88.1 gateway=bridge-local gateway-status=bridge-local reachable distance=0 scope=10
[admin@AquaRouter] > /tool traceroute 8.8.8.8
# ADDRESS LOSS SENT LAST AVG BEST WORST
1 82.197.195.1 0% 67 3ms 3 2.7 9.8
2 217.19.16.6 0% 67 2.9ms 3.1 2.8 7.5
3 195.69.145.100 26.. 67 3.2ms 3.2 3 4
4 209.85.254.95 0% 67 6.9ms 5.1 3.2 29.3
5 72.14.238.69 0% 67 3.6ms 4.8 3.4 25.8
6 209.85.254.231 0% 67 18.2ms 8.8 6.5 49
7 209.85.254.189 0% 67 6.5ms 8.3 6.4 44.4
8 100% 67 timeout
9 8.8.8.8 0% 66 6.8ms 6.9 6.6 13.3
After iptv interface dhcp client:
[admin@AquaRouter] > /ip route print detail
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, B - blackhole, U - unreachable, P - prohibit
0 ADS dst-address=0.0.0.0/0 gateway=82.197.195.1 gateway-status=82.197.195.1 reachable via vlan-internet distance=1 scope=30 target-scope=10 vrf-interface=vlan-internet
1 ADC dst-address=10.10.32.0/22 pref-src=10.10.32.151 gateway=vlan-iptv gateway-status=vlan-iptv reachable distance=0 scope=10
2 ADC dst-address=82.197.195.0/24 pref-src=82.197.195.239 gateway=vlan-internet gateway-status=vlan-internet reachable distance=0 scope=10
3 ADC dst-address=192.168.88.0/24 pref-src=192.168.88.1 gateway=bridge-local gateway-status=bridge-local reachable distance=0 scope=10
[admin@AquaRouter] > /tool traceroute 8.8.8.8
# ADDRESS LOSS SENT LAST AVG BEST WORST
1 100% 17 timeout
2 82.197.195.239 93.. 17 timeout 988 988 988
3 82.197.195.239 87.. 16 timeout 987.5 983.8 991.1
4 82.197.195.239 93.. 16 timeout 989.1 989.1 989.1
5 82.197.195.239 87.. 16 timeout 510 30.7 989.2
6 0% 0 0ms
Config export:
# aug/10/2014 22:40:19 by RouterOS 6.18
# software id = S62Z-5GTT
#
/interface bridge
add admin-mac=4C:5E:0C:49:43:4A auto-mac=no l2mtu=1598 name=bridge-local
/interface ethernet
set [ find default-name=ether1 ] name=ether1-wan rx-flow-control=auto \
tx-flow-control=auto
set [ find default-name=ether6 ] name=ether6-master-local
set [ find default-name=ether7 ] master-port=ether6-master-local name=\
ether7-slave-local
set [ find default-name=ether8 ] master-port=ether6-master-local name=\
ether8-slave-local
set [ find default-name=ether9 ] name=ether9-slave-local
set [ find default-name=ether10 ] name=ether10-test poe-out=off
set [ find default-name=sfp1 ] disabled=yes
/interface wireless
set [ find default-name=wlan1 ] band=2ghz-b/g/n channel-width=\
20/40mhz-ht-above distance=indoors l2mtu=2290 mode=ap-bridge name=wlan \
ssid=Aqua wireless-protocol=802.11
/ip neighbor discovery
set ether1-wan discover=no
/interface vlan
add interface=ether1-wan l2mtu=1594 name=vlan-internet vlan-id=34
add interface=ether1-wan l2mtu=1594 name=vlan-iptv vlan-id=4
/interface wireless security-profiles
set [ find default=yes ] authentication-types=wpa2-psk eap-methods="" mode=\
dynamic-keys supplicant-identity=MikroTik
/ip pool
add name=default-dhcp ranges=192.168.88.10-192.168.88.254
/ip dhcp-server
add add-arp=yes address-pool=default-dhcp disabled=no interface=bridge-local \
lease-time=10m name=default
/port
set 0 name=serial0
/interface bridge port
add bridge=bridge-local interface=ether3
add bridge=bridge-local interface=ether4
add bridge=bridge-local interface=ether5
add bridge=bridge-local interface=ether6-master-local
add bridge=bridge-local interface=sfp1
add bridge=bridge-local interface=wlan
add bridge=bridge-local interface=ether2
/ip address
add address=192.168.88.1/24 comment="default configuration" interface=\
bridge-local network=192.168.88.0
/ip dhcp-client
add comment=Internet dhcp-options=hostname,clientid disabled=no interface=\
vlan-internet use-peer-ntp=no
add add-default-route=no comment=IPTV dhcp-options=hostname,clientid \
disabled=no interface=vlan-iptv use-peer-dns=no use-peer-ntp=no
/ip dhcp-server network
add address=192.168.88.0/24 comment="default configuration" dns-server=\
192.168.88.1 gateway=192.168.88.1
/ip dns
set allow-remote-requests=yes servers=8.8.8.8,8.8.4.4
/ip dns static
add address=192.168.88.1 name=router
/ip firewall connection tracking
set enabled=yes
/ip firewall filter
add chain=input
add chain=forward
add chain=output
/ip firewall nat
add action=masquerade chain=srcnat comment=Internet out-interface=\
vlan-internet src-address=192.168.88.0/24
add action=masquerade chain=srcnat comment=IPTV out-interface=vlan-iptv \
src-address=192.168.88.0/24
/ip route
add distance=1 dst-address=185.6.48.0/26 gateway=vlan-iptv
/ip service
set telnet address=192.168.88.0/24
set ftp address=192.168.88.0/24
set www address=192.168.88.0/24
set ssh address=192.168.88.0/24
set api address=192.168.88.0/24
set winbox address=192.168.88.0/24
set api-ssl address=192.168.88.0/24
/ip smb
set domain=THUIS interfaces=bridge-local
/ip upnp
set allow-disable-external-interface=no
/lcd
set backlight-timeout=5m default-screen=stats
/lcd interface
set sfp1 disabled=yes
set ether1-wan disabled=yes
set ether2 disabled=yes
set ether3 disabled=yes
set ether4 disabled=yes
set ether5 disabled=yes
set ether6-master-local disabled=yes
set ether7-slave-local disabled=yes
set ether8-slave-local disabled=yes
set ether9-slave-local disabled=yes
set ether10-test disabled=yes
set wlan timeout=5s
add interface=bridge-local timeout=5s
add interface=vlan-internet timeout=5s
add interface=vlan-iptv timeout=5s
/lcd interface pages
add interfaces=vlan-internet,vlan-iptv,bridge-local,wlan
/routing igmp-proxy
set query-interval=1m5s quick-leave=yes
/routing igmp-proxy interface
add alternative-subnets=0.0.0.0/0 interface=vlan-iptv upstream=yes
add interface=bridge-local
/system clock
set time-zone-name=Europe/Amsterdam
/system identity
set name=AquaRouter
/system lcd
set contrast=0 enabled=no port=parallel type=24x4
/system lcd page
set time disabled=yes display-time=5s
set resources disabled=yes display-time=5s
set uptime disabled=yes display-time=5s
set packets disabled=yes display-time=5s
set bits disabled=yes display-time=5s
set version disabled=yes display-time=5s
set identity disabled=yes display-time=5s
set vlan-iptv disabled=yes display-time=5s
set vlan-internet disabled=yes display-time=5s
set bridge-local disabled=yes display-time=5s
set wlan disabled=yes display-time=5s
set sfp1 disabled=yes display-time=5s
set ether1-wan disabled=yes display-time=5s
set ether2 disabled=yes display-time=5s
set ether3 disabled=yes display-time=5s
set ether4 disabled=yes display-time=5s
set ether5 disabled=yes display-time=5s
set ether6-master-local disabled=yes display-time=5s
set ether7-slave-local disabled=yes display-time=5s
set ether8-slave-local disabled=yes display-time=5s
set ether9-slave-local disabled=yes display-time=5s
set ether10-test disabled=yes display-time=5s
/system logging
add topics=debug
/system ntp client
set enabled=yes primary-ntp=82.193.117.90
/tool graphing
set store-every=hour
/tool graphing interface
add interface=vlan-internet
add interface=bridge-local
add interface=wlan
add interface=vlan-iptv
/tool graphing resource
add
/tool mac-server
set [ find default=yes ] disabled=yes
add interface=ether2
add interface=ether3
add interface=ether4
add interface=ether5
add interface=ether6-master-local
add interface=ether7-slave-local
add interface=ether8-slave-local
add interface=ether9-slave-local
add interface=ether10-test
add interface=sfp1
add interface=wlan
add interface=bridge-local
/tool mac-server mac-winbox
set [ find default=yes ] disabled=yes
add interface=ether2
add interface=ether3
add interface=ether4
add interface=ether5
add interface=ether6-master-local
add interface=ether7-slave-local
add interface=ether8-slave-local
add interface=ether9-slave-local
add interface=ether10-test
add interface=sfp1
add interface=wlan
add interface=bridge-local