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806 | Policy-based Routing
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Figure 37-4. Creating a Rule Example
Multiple rules can be applied to a single redirect-list. The rules are applied in ascending order, starting with
the rule that has the lowest sequence number in a redirect-list. Figure 37-5 displays the correct method for
applying multiple rules to one list.
Figure 37-5. Creating multiple rules for a redirect-list
Note: Starting in release 8.4.1.2, FTOS supports the use of multiple recursive routes with the same
source-address and destination-address combination in a redirect policy on an E-Series ExaScale router.
A recursive route is a route for which the immediate next-hop address is learned dynamically through a
routing protocol and acquired through a route lookup in the routing table.You can configure multiple
recursive routes in a redirect list by entering multiple seq redirect statements with the same source and
destination address and specify a different next-hop IP address. In this way, the recursive routes are used
as different forwarding routes for dynamic failover. If the primary path goes down and the recursive route
is removed from the routing table, the seq redirect statement is ignored and the next statement in the list
with a different route is used.
FTOS(conf-redirect-list)#redirect ?
A.B.C.D Forwarding router's address
sonet SONET interface
FTOS(conf-redirect-list)#redirect 3.3.3.3 ?
<0-255> An IP protocol number
icmp Internet Control Message Protocol
ip Any Internet Protocol
tcp Transmission Control Protocol
udp User Datagram Protocol
FTOS(conf-redirect-list)#redirect 3.3.3.3 ip ?
A.B.C.D Source address
any Any source host
host A single source host
FTOS(conf-redirect-list)#redirect 3.3.3.3 ip 222.1.1.1 ?
Mask Network mask in slash format (/xx)
FTOS(conf-redirect-list)#redirect 3.3.3.3 ip 222.1.1.1 /32 ?
A.B.C.D Destination address
any Any destination host
host A single destination host
IP address of
forwarding router
IP protocol
number
Source address and
mask
Destination address
and mask
FTOS(conf)#ip redirect-list test
FTOS(conf-redirect-list)#seq 10 redirect 10.1.1.2 ip 20.1.1.0/24 any
FTOS(conf-redirect-list)#seq 15 redirect 10.1.1.3 ip 20.1.1.0/25 any
FTOS(conf-redirect-list)#seq 20 redirect 10.1.1.3 ip 20.1.1.128/24 any
FTOS(conf-redirect-list)#show config
!
ip redirect-list test
seq 10 redirect 10.1.1.2 ip 20.1.1.0/24 any
seq 15 redirect 10.1.1.3 ip 20.1.1.0/25 any
seq 20 redirect 10.1.1.3 ip 20.1.1.0/24 any
FTOS(conf-redirect-list)#