ipv6 default route cannot be set

[JM-Lemmi]

using the ip command to set an IPv6 address works, but the gateway is ignored completely. Pinging anything outside the L2 network fails to find the route.

PC1> version

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Build time: Aug 23 2021 11:15:00
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PC1> ip fd00:1::2/64 fd00:2::1
PC1 : fd00:1::2/64

PC1> ping fd00:1::1

fd00:1::1 icmp6_seq=1 ttl=64 time=0.725 ms
^C
PC1> ping fd00::2

host (fd00::2) not reachable

PC1> show ipv6

NAME              : PC1[1]
LINK-LOCAL SCOPE  : fe80::250:79ff:fe66:6801/64
GLOBAL SCOPE      : fd00:1::2/64
DNS               :
ROUTER LINK-LAYER :
MAC               : 00:50:79:66:68:01
LPORT             : 20008
RHOST:PORT        : 127.0.0.1:20009
MTU:              : 1500