[FROG] Getting Started...

[Richard J Palmer]

Hi there

I am testing FRR as an alternative to Quagga on what is a very busy 
core router - with multiple full table BGP Sessions.

I am currently using this on Slackware 14.2 ... I have things up and 
running and some of the quagga bugs seem to have been cleared which is 
a PLUs BUT I am seeing oddness - most obviosuly with IPv6.

Running  a traceroute from a server behind it is alternating between

traceroute6 l.root-servers.net
traceroute to l.ROOT-SERVERS.NET (2001:500:9f::42) from 
2a00:1940:0:1::78, 30 hops max, 24 byte packets
 1  lon1-gw1.merula.net (2a00:1940:0:1::70)  0.647 ms  0.389 ms  0.425 
ms
 2  2a00:1940:0:1::67 (2a00:1940:0:1::67)  0.454 ms  0.565 ms  2.283 
ms
 3  2001:7f8:17::8480:1 (2001:7f8:17::8480:1)  0.753 ms  0.662 ms  
0.728 ms
 4  2a00:1a80:0:1::5:2 (2a00:1a80:0:1::5:2)  7.458 ms  5.662 ms  5.59 
ms
 5  l.root-servers.net (2001:500:9f::42)  5.727 ms  5.722 ms  5.726 ms

and

traceroute6 l.root-servers.net
traceroute to l.ROOT-SERVERS.NET (2001:500:9f::42) from 
2a00:1940:0:1::78, 30 hops max, 24 byte packets
 1  lon1-gw1.merula.net (2a00:1940:0:1::70)  0.481 ms *  0.682 ms !N
 2  lon1-gw1.merula.net (2a00:1940:0:1::70)  0.614 ms !N  0.54 ms !N  
0.529 ms !N

The zebta.log file is filled with lines like:
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d1::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d2::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d3::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d4::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d5::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d6::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d7::/48 
has 2 nexthops, but we can only use the first 1
2017/06/13 02:11:01 ZEBRA: zread_ipv6_add: Prefix 2402:2700:d8::/48 
has 2 nexthops, but we can only use the first 1

and so on....

What am I missing here - I am sure it is probbay something really 
obvious ...

Can you help  point me the right way ?

Thanks!

Richard





Richard Palmer | Director | Merula Limited
Company Registered in England and Wales No. 3243995
5 Avro Court, Huntingdon, Cambridgeshire, PE29 6XS
Phone 01480 222940 | Support 0845 330 0666
Support Email support at merula.net

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