Hello,
i configure Switch 3850 (stack 2 sw) and router juniper mx960 to run ospf bui it did not run. they connected directly, port was up.
this is the configuration of sw and router:
switch 3850:
ip routing
!
interface GigabitEthernet1/1/2
no switchport
ip address 10.254.2.114 255.255.255.252
ip ospf network point-to-point
!
router ospf 1
router-id 10.254.2.114
network 10.254.2.112 0.0.0.3 area 0
router mx960:
admin@re0# show interfaces ge-0/0/5
description ge-0/0/5-Sw3850;
unit 0 {
family inet {
address 10.254.2.113/30;
}
}
admin@re0# show routing-instances LOCAL
instance-type vrf;
interface ge-0/0/5.0;
vrf-target target:xxxx:xxxx;
vrf-table-label;
protocols {
ospf {
traceoptions {
file debug_ospf_adj files 2;
flag hello send receive detail;
flag error detail;
}
area 0.0.0.0 {
interface ge-0/0/5.0 {
interface-type p2p;
}
}
}
}
show ospf neighbor on router and sw3850:
admin@re0# run show ospf neighbor instance LOCAL
Address Interface State ID Pri Dead
10.254.2.114 ge-0/0/5.0 Init 10.254.2.114 1 33
Sw3850#show ip ospf neighbor
Sw3850#
Sw3850#show ip ospf traffic gigabitEthernet 1/1/2
Interface GigabitEthernet1/1/2
Last clearing of interface traffic counters never
OSPF packets received/sent
Type Packets Bytes
RX Invalid 0 0
RX Hello 0 0
RX DB des 0 0
RX LS req 0 0
RX LS upd 0 0
RX LS ack 0 0
RX Total 0 0
TX Failed 0 0
TX Hello 478 36328
TX DB des 0 0
TX LS req 0 0
TX LS upd 0 0
TX LS ack 0 0
TX Total 478 36328
OSPF header errors
Length 0, Auth Type 0, Checksum 0, Version 0,
Bad Source 0, No Virtual Link 0, Area Mismatch 0,
No Sham Link 0, Self Originated 0, Duplicate ID 0,
Hello 0, MTU Mismatch 0, Nbr Ignored 0,
LLS 0, Unknown Neighbor 0, Authentication 0,
TTL Check Fail 0
OSPF LSA errors
Type 0, Length 0, Data 0, Checksum 0
when i monitor interface ge-0/0/5 on router mx960, the result is:
admin@re0# run monitor traffic interface ge-0/0/5 no-resolve detail
Address resolution is OFF.
Listening on ge-0/0/5, capture size 1514 bytes
08:25:44.896765 Out IP (tos 0xc0, ttl 1, id 59482, offset 0, flags [none], proto: OSPF (89), length: 80) 10.254.2.113 > 224.0.0.5: OSPFv2, Hello, length 60 [len 48]
Router-ID 10.254.2.113, Backbone Area, Authentication Type: none (0)
Options [External, LLS]
Hello Timer 10s, Dead Timer 40s, Mask 255.255.255.252, Priority 128
Neighbor List:
10.254.2.114
LLS: checksum: 0xfff6, length: 3
Extended Options (1), length: 4
Options: 0x00000001 [LSDB resync]
08:25:47.137826 In IP (tos 0xc0, ttl 1, id 44903, offset 0, flags [none], proto: OSPF (89), length: 76) 10.254.2.114 > 224.0.0.5: OSPFv2, Hello, length 56 [len 44]
Router-ID 10.254.2.114, Backbone Area, Authentication Type: none (0)
Options [External, LLS]
Hello Timer 10s, Dead Timer 40s, Mask 255.255.255.252, Priority 1
LLS: checksum: 0xfff6, length: 3
Extended Options (1), length: 4
Options: 0x00000001 [LSDB resync]
The hello packets that were sent by sw3850 were received on router mx960. But the hello packets that were sent by router mx960 were not received on sw3850.
How can i fix this issue ?
Thanks for any help !
