From: Jung-I Lin (easyman.lin@gmail.com)
Date: Sat Oct 28 2006 - 22:39:10 ART
Hi, HaDucBinh
It has to be less than.
Rack1R5(config-if)#do sie to 155.1.146.0/24
IP-EIGRP (AS 1): Topology entry for 155.1.146.0/24
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2172160
Routing Descriptor Blocks:
155.1.45.4 (Serial1/1), from 155.1.45.4, Send flag is 0x0
Composite metric is (2172416/258560), Route is Internal
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 20100 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 1
155.1.0.1 (Serial1/0), from 155.1.0.1, Send flag is 0x0
Composite metric is (4086272/2172416), Route is Internal
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 94860 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 1
Rack1R5(config-if)#router eigr
Rack1R5(config-if)#router eigrp 1
Rack1R5(config-router)#va
Rack1R5(config-router)#variance ?
<1-128> Metric variance multiplier
Rack1R5(config-router)#variance 128
Rack1R5(config-router)#^Z
Rack1R5#sir ei
D 204.12.1.0/24 [90/2195456] via 155.1.45.4, 00:00:04, Serial1/1
155.1.0.0/24 is subnetted, 6 subnets
D 155.1.146.0 [90/2172416] via 155.1.45.4, 00:00:04, Serial1/1
D 155.1.13.0 [90/2684416] via 155.1.45.4, 00:00:04, Serial1/1
[90/2681856] via 155.1.0.1, 00:00:04, Serial1/0
150.1.0.0/24 is subnetted, 3 subnets
D 150.1.4.0 [90/2297856] via 155.1.45.4, 00:00:04, Serial1/1
D 150.1.1.0 [90/2300416] via 155.1.45.4, 00:00:04, Serial1/1
[90/2297856] via 155.1.0.1, 00:00:04, Serial1/0
You can see there is no feasiable successor if the value is equal.
Then the delay is adjusted and the the feasiable condition is fulfill.
Rack1R5#sie to 155.1.146.0/24
IP-EIGRP (AS 1): Topology entry for 155.1.146.0/24
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2172160
Routing Descriptor Blocks:
155.1.45.4 (Serial1/1), from 155.1.45.4, Send flag is 0x0
Composite metric is (2172672/258816), Route is Internal
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 20110 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 1
155.1.0.1 (Serial1/0), from 155.1.0.1, Send flag is 0x0
Composite metric is (4086272/2172416), Route is Internal
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 94860 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 1
Rack1R5#sir ei
D 204.12.1.0/24 [90/2195456] via 155.1.45.4, 00:00:55, Serial1/1
155.1.0.0/24 is subnetted, 6 subnets
D 155.1.146.0 [90/2172672] via 155.1.45.4, 00:00:09, Serial1/1
[90/4086272] via 155.1.0.1, 00:00:09, Serial1/0
D 155.1.13.0 [90/2684416] via 155.1.45.4, 00:00:55, Serial1/1
[90/2681856] via 155.1.0.1, 00:00:55, Serial1/0
150.1.0.0/24 is subnetted, 3 subnets
D 150.1.4.0 [90/2297856] via 155.1.45.4, 00:00:55, Serial1/1
D 150.1.1.0 [90/2300416] via 155.1.45.4, 00:00:55, Serial1/1
[90/2297856] via 155.1.0.1, 00:00:55, Serial1/0
HTH.
On 10/28/06, haducbinh <haducbinh@vnpro.org> wrote:
>
> Hi GS!
>
>
>
> I read this line: "A feasible successor is a path whose reported distance
> is
> less than the feasible distance (current best path)" in this URL:
>
>
> http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094c
> b7.shtml#feasibleandreported
>
>
>
> But in BSCI 3.0 it said that: "A feasible successor is a path whose
> reported
> distance is less than or equal the feasible distance (current best path)"
>
>
>
> It make me confuse so much! Please show me, what is right and what is
> wrong???
>
>
>
> Thanks!
>
> HaDucBinh
> Mail: <mailto:haducbinh@vnpro.org> haducbinh@vnpro.org or
> <mailto:haducbinh@yahoo.com> haducbinh@yahoo.com
> Phone: +84 908 191 322
>
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-- Thanks Best Regards,Jung-I Lin
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