diff options
Diffstat (limited to 'pkg/ipstack')
| -rw-r--r-- | pkg/ipstack/ipstack.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/pkg/ipstack/ipstack.go b/pkg/ipstack/ipstack.go index 8a451f8..019d97b 100644 --- a/pkg/ipstack/ipstack.go +++ b/pkg/ipstack/ipstack.go @@ -844,13 +844,21 @@ func handleRIP(src *Interface, dest *Neighbor, message []byte, hdr *ipv4header.I // then we can increase the cost by that new value if hop.VIP == hdr.Src && entry.cost > hop.Cost { - routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src} + if entry.cost == INFINITY { + routingTable[destination] = Hop{entry.cost, "R", src, hdr.Src} + } else { + routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src} + } } // if there is a shorter route for this destination on a different (or same) neighbor // then update to use that one if entry.cost < hop.Cost { - routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src} + if entry.cost == INFINITY { + routingTable[destination] = Hop{entry.cost, "R", src, hdr.Src} + } else { + routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src} + } } // upon an update from this prefix, reset its timeout |