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EXOS 31.7 BGP dynamic neighbors.

EXOS 31.7 BGP dynamic neighbors.

Ambrose_Magee
New Contributor II

Hello,

May I ask if EXOS 31.7.3 supports BGP dynamic neighbour range, please; namely, specify a network on which the BGP neighbours are, rather than individual addresses?

Below is the config that I ran in; but I was stumped trying to find how to configure dynamic neighbours.


configure bgp AS-number 4247257098
configure bgp routerid 1.1.1.1
configure bgp add network 10.1.2.0/24
create bgp peer-group DYNAMIC-PEERS
configure bgp peer-group DYNAMIC-PEERS remote-AS-number 4247257108

I have a Core feature licence enabled on the EXOS box.

Regards,

A.M.

 

2 ACCEPTED SOLUTIONS

Hello,

I'm afraid EXOS does not support Dynamic BGP peer (neither does VOSS), and it seems to be reserved to SLX-OS devices.

The listen-range parameter you mentioned is from SLX-OS and does not exist in EXOS.

Sources:

  1. https://documentation.extremenetworks.com/Extreme%20SLX-OS%2020.8.1%20Layer%203%20Routing%20Configur...
  2. https://documentation.extremenetworks.com/Switch%20Engine%20v33.6.1%20Command%20References/downloads...

The only dirty trick I can think of if you "only" have a /24 is to create a bgp peer-group, and add all individual peers...

Best regards


Yoann Jonard
SIER SARL
Switzerland

View solution in original post

morsecodelive
New Contributor

From my understanding, EXOS does not support dynamic BGP neighbor discovery, and this limitation is also present in VOSS. The dynamic peer functionality appears to be an SLX-OS-only feature.

The listen-range option you mentioned is part of SLX-OS BGP implementation and is not available on EXOS, which relies strictly on statically defined neighbors rather than subnet-based dynamic peering.

Reference: https://documentation.extremenetworks.com/slxos/SW/20xx/20.3.1/l3config/downloads/slx-20.3.1-l3guide...

Morse Code Translator Decode. Encode. Communicate.

View solution in original post

3 REPLIES 3

morsecodelive
New Contributor

From my understanding, EXOS does not support dynamic BGP neighbor discovery, and this limitation is also present in VOSS. The dynamic peer functionality appears to be an SLX-OS-only feature.

The listen-range option you mentioned is part of SLX-OS BGP implementation and is not available on EXOS, which relies strictly on statically defined neighbors rather than subnet-based dynamic peering.

Reference: https://documentation.extremenetworks.com/slxos/SW/20xx/20.3.1/l3config/downloads/slx-20.3.1-l3guide...

Morse Code Translator Decode. Encode. Communicate.

Ambrose_Magee
New Contributor II

Further information.  I tried to add 'listen-range', but it is invalid input.

 

# configure bgp peer-group DYNAMIC-PEERS listen-range 10.2.3.0/24

                                                                                       ^

%% Invalid input detected at '^' marker.

 

 

Hello,

I'm afraid EXOS does not support Dynamic BGP peer (neither does VOSS), and it seems to be reserved to SLX-OS devices.

The listen-range parameter you mentioned is from SLX-OS and does not exist in EXOS.

Sources:

  1. https://documentation.extremenetworks.com/Extreme%20SLX-OS%2020.8.1%20Layer%203%20Routing%20Configur...
  2. https://documentation.extremenetworks.com/Switch%20Engine%20v33.6.1%20Command%20References/downloads...

The only dirty trick I can think of if you "only" have a /24 is to create a bgp peer-group, and add all individual peers...

Best regards


Yoann Jonard
SIER SARL
Switzerland
GTM-P2G8KFN