I have a mutual redistribution on CR 1 router.. BGP <-> EIGRP
Under ideal condition:
Advertise the prefix out via eBGP..
CR1#show ip route 10.60.16.0
Routing entry for 10.60.16.0/22
Known via "eigrp 1", distance 170, metric 665600
Tag 17776, type external
Redistributing via eigrp 1, bgp 65457
Advertised by bgp 65457 route-map CPCROUTES
Last update from 10.66.0.56 on GigabitEthernet0/0.1, 00:26:13 ago
Routing Descriptor Blocks:
* 10.66.0.56, from 10.66.0.56, 00:26:13 ago, via GigabitEthernet0/0.1
Route metric is 665600, traffic share count is 1
Total delay is 1010 microseconds, minimum bandwidth is 4001 Kbit
Reliability 255/255, minimum MTU 1500 bytes
Loading 100/255, Hops 1
Route tag 17776
CR1#show ip eigrp topology 10.60.16.0/22
IP-EIGRP (AS 1): Topology entry for 10.60.16.0/22
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 665600
Routing Descriptor Blocks:
10.66.0.56 (GigabitEthernet0/0.1), from 10.66.0.56, Send flag is 0x0
Composite metric is (665600/665344), Route is External
Vector metric:
Minimum bandwidth is 4001 Kbit
Total delay is 1010 microseconds
Reliability is 255/255
Load is 100/255
Minimum MTU is 1500
Hop count is 1
External data:
Originating router is 10.66.0.252
AS number of route is 65458
External protocol is BGP, external metric is 0
Administrator tag is 17776 (0x00004570)
10.66.0.242 (GigabitEthernet0/0.23), from 10.66.0.242, Send flag is 0x0
Composite metric is (665856/665600), Route is External
Vector metric:
Minimum bandwidth is 4001 Kbit
Total delay is 1020 microseconds
Reliability is 255/255
Load is 100/255
Minimum MTU is 1500
Hop count is 2
External data:
Originating router is 10.66.0.252
AS number of route is 65458
External protocol is BGP, external metric is 0
Administrator tag is 17776 (0x00004570)
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When I STOP advertising 10.60.16.0/22 via eigrp..It is learning from eBGP neighbor and is good. This is my failover scenario
APHUBCR1#show ip route 10.60.16.0
Routing entry for 10.60.16.0/22
Known via "bgp 65457", distance 20, metric 0
Tag 65000, type external
Redistributing via eigrp 1
Advertised by eigrp 1 route-map Filter_MVIC_routes
Last update from 152.161.238.37 00:00:01 ago
Routing Descriptor Blocks:
* 152.161.238.37, from 152.161.238.37, 00:00:01 ago
Route metric is 0, traffic share count is 1
AS Hops 2
Route tag 65000
APHUBCR1#show ip eigrp topology 10.60.16.0/22
IP-EIGRP (AS 1): Topology entry for 10.60.16.0/22
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 691200
Routing Descriptor Blocks:
152.161.238.37, from Redistributed, Send flag is 0x0
Composite metric is (691200/0), Route is External
Vector metric:
Minimum bandwidth is 4000 Kbit
Total delay is 2000 microseconds
Reliability is 255/255
Load is 100/255
Minimum MTU is 1500
Hop count is 0
External data:
Originating router is 10.66.0.253 (this system)
AS number of route is 65457
External protocol is BGP, external metric is 0
Administrator tag is 65000 (0x0000FDE8)
During Fallback:
The issue is it is not restoring the orginal status.
I wanted to withdraw the route 10.60.16.0/22 learnt from eBGP neighbor and advertise the next route in the topology table.
Please advice how to achieve this? Let me know if you have more questions
I wanted to play with eigrp distance command, but looks like it works only for internal eigrp routes
CR1#show ip route 10.60.16.0
Routing entry for 10.60.16.0/22
Known via "bgp 65457", distance 20, metric 0
Tag 65000, type external
Redistributing via eigrp 1
Advertised by eigrp 1 route-map Filter_MVIC_routes
Last update from 152.161.238.37 00:03:45 ago
Routing Descriptor Blocks:
* 152.161.238.37, from 152.161.238.37, 00:03:45 ago
Route metric is 0, traffic share count is 1
AS Hops 2
Route tag 65000
CR1#show ip eigrp topology 10.60.16.0/22
IP-EIGRP (AS 1): Topology entry for 10.60.16.0/22
State is Passive, Query origin flag is 1, 1 Successor(s), FD is
Routing Descriptor Blocks:
152.161.238.37, from Redistributed, Send flag is 0x0
Composite metric is (691200/0), Route is External
Vector metric:
Minimum bandwidth is 4000 Kbit
Total delay is 2000 microseconds
Reliability is 255/255
Load is 100/255
Minimum MTU is 1500
Hop count is 0
External data:
Originating router is 10.66.0.253 (this system)
AS number of route is 65457
External protocol is BGP, external metric is 0
Administrator tag is 65000 (0x0000FDE8)
10.66.0.242 (GigabitEthernet0/0.23), from 10.66.0.242, Send flag
Composite metric is (665856/665600), Route is External
Vector metric:
Minimum bandwidth is 4001 Kbit
Total delay is 1020 microseconds
Reliability is 255/255
Load is 100/255
Minimum MTU is 1500
Hop count is 2
External data:
Originating router is 10.66.0.252
AS number of route is 65458
External protocol is BGP, external metric is 0
Administrator tag is 17776 (0x00004570)
10.66.0.56 (GigabitEthernet0/0.1), from 10.66.0.56, Send flag is
Composite metric is (665600/665344), Route is External
Vector metric:
Minimum bandwidth is 4001 Kbit
Total delay is 1010 microseconds
Reliability is 255/255
Load is 100/255
Minimum MTU is 1500
Hop count is 1
External data:
Originating router is 10.66.0.252
AS number of route is 65458
External protocol is BGP, external metric is 0
Administrator tag is 17776 (0x00004570)
Regards
Vinayak
