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Zorluk: OrtaIPv6 Static Routing

An engineer is configuring a fully specified IPv6 static route on a Cisco router to forward traffic destined for 2001:db8:abc:33::/642001:\text{db8}:\text{abc}:33::/64. What local interface keyword completes the command syntax when using the next-hop link-local address fe80::cafe\text{fe80}::\text{cafe} via interface GigabitEthernet0/0/2?

Cevap:Router(config)# ipv6 route 2001:db8:abc:33::/64 【GigabitEthernet0/0/2】 fe80::cafe

Cevap

GigabitEthernet0/0/2 (or Gi0/0/2)
When configuring an IPv6 static route with a link-local next-hop address, Cisco IOS requires the local exit interface (GigabitEthernet0/0/2) to precede the link-local IPv6 address. Without the exit interface, the router cannot determine which local link reaches the specified link-local address.

Adım Adım Çözüm

1
Identify the mandatory components of a link-local IPv6 static route in Cisco IOS.
When a link-local address (FE80::/10) is specified as the next hop, Cisco IOS requires the local exit interface to be included preceding the next-hop address.
Link-local addresses are non-routable and exist independently on every link, making them ambiguous without specifying the outbound local interface.
2
Complete the command syntax.
The proper command structure is 'ipv6 route <destination-prefix/prefix-length> <exit-interface> <link-local-address>'. Inserting GigabitEthernet0/0/2 into {{blank_1}} correctly specifies the route.
This provides both interface scope and next-hop link-local identification.

Anahtar Kavram

Fully specified IPv6 static routes with link-local next hops
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Konular

IPv6 Static Routing

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