Question

SLX 9740 and VRF local-as

  • 23 February 2021
  • 5 replies
  • 147 views

Is there really no option to create VRF with different local-as on SLX9740 ?

Cant find any option to do this… and also cant find any manual that explain that it is possible


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5 replies

Userlevel 3

Is this different than 9540?

 

vrf foo
 address-family ipv4 unicast

router bgp 

 address-family ipv4 unicast vrf foo
  local-as 4556

yes it is

For example

(config-vrf-RKGM01)# address-family ipv4 unicast
(config-vrf-RKGM01-ipv4-unicast)# ?
Possible completions:
 arp            Address Resolution Protocol (ARP)
 bgp            Set next-hop for BGP
 describe       Display transparent command information
 do             Run an operational-mode command
 exit           Exit from current mode
 export         Apply a route-map filter on the routes to be exported
 help           Provide help information
 import         Apply a route-map filter on the routes to be imported
 ip             The Internet Protocol (IP).
 max-route      Maximum number of routes allowed in this routing table
 no             Negate a command or set its defaults
 pwd            Display current mode path
 route-target   Configure Target VPN Extended Communities
 top            Exit to top level and optionally run command

 

As You can see no router bgp for vrf instance

And also

conf t
Entering configuration mode terminal
router bgp
address-family ipv6 unicast vrf RKGM01
loca
                                                   ^
% Invalid inpPossible completions:
 additional-paths                Specify bgp additional paths
 advertise-best-external         Advertise best external path to internal peers
 aggregate-address               Configure BGP aggregate entries
 always-propagate                Allow readvertisement of best BGP routes not in IP Forwarding table
 bgp-redistribute-internal       Allow redistribution of iBGP routes into IGPs
 client-to-client-reflection     Configure client to client route reflection
 dampening                       Enable route-flap dampening
 default-information-originate   Originate Default Information
 default-metric                  Set metric of redistributed routes
 describe                        Display transparent command information
 do                              Run an operational-mode command
 exit                            Exit from current mode
 graceful-restart                Enables the BGP graceful restart capability
 help                            Provide help information
 listen-range                    Listen range prefix
 maximum-paths                   Forward packets over multiple paths
 multipath                       Enable multipath for ibgp or ebgp neighbors only
 neighbor                        Specify a neighbor router
 network                         Specify a network to announce via BGP
 next-hop-enable-default         Enable default route for BGP next-hop lookup
 next-hop-recursion              Perform next-hop recursive lookup for BGP route
 no                              Negate a command or set its defaults
 pwd                             Display current mode path
 redistribute                    Redistribute information from another routing protocol
 rib-route-limit                 Limit BGP rib count in routing table
 table-map                       Map external entry attributes into routing table
 top                             Exit to top level and optionally run command
 update-time                     Configure igp route update interval

ut detected at '^' marker.
 

It looks like there is no local-as option for ipv6 unicast - but it is in ipv4 unicast for VRF

Looks like bug.

Userlevel 3

 

Can confirm on latest version, that this function seems to be missing for ipv6 unicast.