IF Wan port goes faulty in AR Series router

Created: Jun 18, 2019 13:31:36Latest reply: Jun 21, 2019 00:48:56 132 5 0 0
  Rewarded Hi-coins: 0 (problem resolved)

Hi

If My AR 151 series WAN port goes faulty then can we do like this


WAN port fe 0/0/4 ( by default )


1) Vlan batch 10        ------------  Use any vlan no.

 

Int vlan 10

Ip address 182.78.149.82  30                  --- WAN IP address

 

 

Int ethernet 0/0/2

Port link-type access

Port default vlan 10


2) interface ethener 0/0/2 ( V2R7 and above version )

undo port switch

ip address 182.78.149.82  30   


what may be challange in above configuration ,Please suggest.


reagards

Yogendra Jain


  • x
  • convention:

Featured Answers
chenhui
Admin Created Jun 21, 2019 00:48:56 Helpful(0) Helpful(0)

Posted by yogijain at 2019-06-19 03:38 Thanks for your valuable response, I have a doubt In first scenario, if ISP is provides data in qinq ...
for qinq users, the inner vlan may be conflict with other users', but the outter vlan id will unique indentify the users.
so, there wouldn't be conflict.
but if the ISP confiugred qinq on the PE router, then the packets those received from the ISP on the CE router will be marked as vlan pakcets, so you should make sure the sub-interface has been configured on the CE router, in which situation, the vlan could be terminated on the CE router.
  • x
  • convention:

chenhui
Admin Created Jun 19, 2019 03:22:22 Helpful(0) Helpful(0)

Posted by yogijain at 2019-06-18 13:55 Thanks, but what first one is not recommended, can you pls suggest
for the first configuration, there is an advantage, which is that you can configure another interface into vlan 10, so that, if the current interface fault, you can pull out the link wire, and plug it in the other interface, this could help reduce the fault time, but this will cut down the avaiable ports for the LAN.
for the second configuration, it requires the router to upgrade to v2r7 or later,
I think the second configuration will be better, because less configuration is needed and it's more convenient to switch the WAN connection to FE0/0/4 while the interface faulty resolved.
  • x
  • convention:

All Answers
chenhui
chenhui Admin Created Jun 18, 2019 13:52:47 Helpful(0) Helpful(0)

@yogijain hi,
yes, you can do that.
For the first configuration, you should configure another vlan to isolate the inter area and internet area,
for the second configuration, it's just like replace the default WAN interface with the g0/0/2.
  • x
  • convention:

yogijain
yogijain MVE Created Jun 18, 2019 13:55:06 Helpful(0) Helpful(0)

Thanks, but what first one is not recommended, can you pls suggest
  • x
  • convention:

chenhui
chenhui Admin Created Jun 19, 2019 03:22:22 Helpful(0) Helpful(0)

Posted by yogijain at 2019-06-18 13:55 Thanks, but what first one is not recommended, can you pls suggest
for the first configuration, there is an advantage, which is that you can configure another interface into vlan 10, so that, if the current interface fault, you can pull out the link wire, and plug it in the other interface, this could help reduce the fault time, but this will cut down the avaiable ports for the LAN.
for the second configuration, it requires the router to upgrade to v2r7 or later,
I think the second configuration will be better, because less configuration is needed and it's more convenient to switch the WAN connection to FE0/0/4 while the interface faulty resolved.
  • x
  • convention:

yogijain
yogijain MVE Created Jun 19, 2019 03:38:53 Helpful(0) Helpful(0)

Thanks for your valuable response,
I have a doubt
In first scenario, if ISP is provides data in qinq mode and the vlan that is configured in ce router as a access vlan... can it conflict with qinq (untag) vlan used for another customer. Pls confirm
  • x
  • convention:

chenhui
chenhui Admin Created Jun 21, 2019 00:48:56 Helpful(0) Helpful(0)

Posted by yogijain at 2019-06-19 03:38 Thanks for your valuable response, I have a doubt In first scenario, if ISP is provides data in qinq ...
for qinq users, the inner vlan may be conflict with other users', but the outter vlan id will unique indentify the users.
so, there wouldn't be conflict.
but if the ISP confiugred qinq on the PE router, then the packets those received from the ISP on the CE router will be marked as vlan pakcets, so you should make sure the sub-interface has been configured on the CE router, in which situation, the vlan could be terminated on the CE router.
  • x
  • convention:

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