[c-nsp] 6vpe - me3600x

[Blake Dunlap]

No you can't keep it from resetting the neighbor if you are changing the
capabilities of a neighbor relationship. That portion is negotiated at open
state, and not on the fly.

-Blake

On Tue, Oct 2, 2012 at 9:01 AM, Aaron <aaron1 at gvtc.com> wrote:

> (resending due to ugly formatting)
>
> When I enabled vpnv6 on my pre-existing vpnv4 neighbor session I saw it
> bounce....Is there any way around this ?  ...i'm concerned about the
> interruption (for operational environment) on the underlying vpnv4 l3vpn.
> Would be only momentary though right?... looks like 10 seconds from
> "nbr_reset" to "Up"
>
> If no way to avoid this, how do y'all do it ?  maint window?
>
> Aaron
>
> noc-3600(config)#router bgp 64512
>
> noc-3600(config-router)#address-family vpnv6 unicast
>
>  % IPv6 routing not enabled
>
>  noc-3600(config)#ipv unicast-routing
>
>  noc-3600(config)#router bgp 64512
>
>  noc-3600(config-router)#address-family vpnv6 unicast
>
>  noc-3600(config-router-af)#neighbor 10.101.0.254 activate
>
> *Oct  1 21:01:46: %BGP-5-NBR_RESET: Neighbor 10.101.0.254 reset
> (Capabilitychanged)
>
> *Oct  1 21:01:46: %BGP-5-ADJCHANGE: neighbor 10.101.0.254 Down Capability
> changed
>
>  *Oct  1 21:01:46: %BGP_SESSION-5-ADJCHANGE: neighbor 10.101.0.254 VPNv4
> Unicast topology base removed from session  Capability changed
>
>  *Oct  1 21:01:47: %BGP-5-NBR_RESET: Neighbor 10.101.0.254 active reset
> (Peer closed the session)
>
>  *Oct  1 21:01:47: %BGP_SESSION-5-ADJCHANGE: neighbor 10.101.0.254 VPNv6
> Unicast topology base removed from session  Peer closed the session
>
>  *Oct  1 21:01:47: %BGP_SESSION-5-ADJCHANGE: neighbor 10.101.0.254 VPNv4
> Unicast topology base removed from session  Peer closed the session
>
>  *Oct  1 21:01:56: %BGP-5-ADJCHANGE: neighbor 10.101.0.254 Up
>
>
>
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