MDS DS-SFP-FC8 GLW 9 Micron between 2 9148 switches Max DB loss?
Does anyone know where to find a table that would indciate what the max acceptable DB loss would be between two 9148 switches utilizing
DS-SFP-FC8 GLW over 9 Micron cable.
It seems the SFP product data sheets do not provide this type of data.
I currently have two 9148 switches running at 8Gbps
TE link 1 is up and running at 8Gbps with 32 bb credits assigned to the port.
TE link 2 will not stay online at any speed 2-8Gbps with 32 to 64 credits assigned. I'm fairly certain this is a DB loss problem becuase the problem follows the cable path.
What I'm trying to resolve is how to determine what the max DB loss is over the link.
I understand the max distance for Dark fiber is as follows: 1310nm SMF 9.0 8.Gbps 10 km (6.2 mi)
So when I talk to folks that analyze the cables I can be eductaed on what the max DB loss is.
1310 SMF9.0 8.500 10 km (6.2 mi)
DB loss is as follows for TE link 1
Cable ID: 09 990
OTDR End1 PASSDate / Time: 10/02/2012 02:55:39pm
Cable Type: OS1 Singlemode
Tester: OptiFiber (9053014 V2.6.4)
Module: OFTM-5630 (9055001 V2.6.4)
Overall Length: 3706.8 ft
PASS
Overall Loss
PASS
1550 nm: 1.19 dB
PASS
ORL: < 32.32 dB1310 nm (n=1.4660) 1550 nm (n=1.4670)
Location Loss Status Loss Status
(ft) (dB) (dB)
0.0 N/A N/A N/A N/A
73.8 N/A N/A N/A N/A
246.1 0.30 N/A 0.74 N/A
334.6 N/A N/A N/A N/A
429.4 0.05 N/A N/A N/A
496.9 0.07 N/A N/A N/A
3573.9 0.48 N/A -0.01 N/A
3706.8 N/A N/A N/A N/A
OTDR End2 PASSDate / Time: 10/02/2012 01:51:32pm
Cable Type: OS1 Singlemode
Tester: OptiFiber (9053014 V2.6.4)
Module: OFTM-5630 (9055001 V2.6.4)
Overall Length: 3878.2 ft
PASS
Overall Loss
1310 nm: 1.24 dB
PASS
1550 nm: 0.80 dB
PASS
ORL: < 31.53 dBWARNING:
- Negative Loss value found in test result.1310 nm (n=1.4660) 1550 nm (n=1.4670)
Location Loss Status Loss Status
(ft) (dB) (dB)
0.0 N/A N/A N/A N/A
137.9 0.65 N/A 0.61 N/A
3464.1 -0.72 N/A N/A N/A
3612.5 N/A N/A N/A N/A
3640.2 1.00 N/A N/A N/A
3707.3 N/A N/A N/A N/A
3776.0 N/A N/A N/A N/A
3812.9 N/A N/A N/A N/A
3878.2 N/A N/A N/A N/A
Thanks,
Mike
OTDR End2 PASSDate / Time: 10/02/2012 01:55:57pm
Cable Type: OS1 Singlemode
Tester: OptiFiber (9053014 V2.6.4)
Module: OFTM-5630 (9055001 V2.6.4)
Overall Length: 3706.4 ft
PASS
Overall Loss
1310 nm: 1.34 dB
PASS
1550 nm: 0.79 dB
PASS
ORL: < 34.25 dB1310 nm (n=1.4660) 1550 nm (n=1.4670)
Location Loss Status Loss Status
(ft) (dB) (dB)
0.0 N/A N/A N/A N/A
138.0 0.46 N/A 0.17 N/A
303.8 N/A N/A 0.26 N/A
3464.5 0.47 N/A N/A N/A
3611.3 N/A N/A N/A N/A
3641.0 N/A N/A N/A N/A
3706.4 N/A N/A N/A N/A
Notice the 3.42 db loss overall loss occurs on the failing side of the cable link.
Cable ID: 09 990
OTDR End1 PASSDate / Time: 10/02/2012 02:57:16pm
Cable Type: OS1 Singlemode
Tester: OptiFiber (9053014 V2.6.4)
Module: OFTM-5630 (9055001 V2.6.4)
Overall Length: 3884.5 ft
PASS
Overall Loss
1310 nm: 3.42 dB
PASS
1550 nm: 0.75 dB
PASS
ORL: < 30.99 dB1310 nm (n=1.4660) 1550 nm (n=1.4670)
Location Loss Status Loss Status
(ft) (dB) (dB)
0.0 N/A N/A N/A N/A
73.0 N/A N/A N/A N/A
142.6 N/A N/A N/A N/A
245.7 0.04 N/A N/A N/A
331.9 N/A N/A N/A N/A
419.0 1.27 N/A N/A N/A
488.9 N/A N/A N/A N/A
501.1 N/A N/A N/A N/A
586.2 0.55 N/A N/A N/A
673.0 0.47 N/A N/A N/A
766.1 0.21 N/A N/A N/A
855.4 -0.01 N/A N/A N/A
959.0 0.19 N/A N/A N/A
3573.5 N/A N/A N/A N/A
3706.8 N/A N/A N/A N/A
3794.1 N/A N/A N/A N/A
3884.5 N/A N/A N/A N/A
1310 nm: 1.18 dB
I believe you run 'show interface fc x/y transceiver detail', it will provide the current light levels as well as the minimum and maximum limits.
Thank You,
Dan Laden
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Access-Main
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second
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Hi everybody,
I'm sorry about my poor english... I'm French (but it is not contagious)
I need your help (or TAC Help ) about speed and duplex problems.
My network :
[C2960G-24TC-L with sfp GLC-FE-100LX on Gig 0/23] <--> (Singlemode Fiber 9/125µ) <--> [Cisco SF200-24 with sfp MFELX1 on Gi1]
Autonegociation everywhere...
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Is there an incompatibility between this equipements ?
Configuration detail :
WS-C2960G-24TC-L 12.2(58)SE2 C2960-LANBASEK9-M
Cisco SF200-24 Firmware Version (Active Image): 1.2.9.44
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GigabitEthernet0/23
Model: WS-C2960G-24TC-L
Type: 100BaseLX-FE SFP
Speed: 100
Duplex: half,full
Trunk encap. type: 802.1Q
Trunk mode: on,off,desirable,nonegotiate
Channel: yes
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ToS rewrite: yes
UDLD: yes
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SPAN: source/destination
PortSecure: yes
Dot1x: yes
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Diagnostic Monitoring is not implemented.
Name : Gi0/23
Administrative Speed: auto
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Administrative Auto-MDIX: on
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It doesn't work, but I found an solution !
A strange solution...
I forced the C2960G-24TC-L to work with SFP :
media-type sfp
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duplex full
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Not very clean because :
C2960 side = force duplex, auto speed
SF200 side = auto duplex, auto speed
No errors... the link is clean.
Anyone known the reason or a better solution ? -
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On checking the online documentation we located the following:
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Duplicate posts. :P
Go here: https://supportforums.cisco.com/discussion/12137156/what-are-major-differences-between-access-switch-and-aggregation-switch-wrt -
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(sec) (ms) Cnt Num
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(sec) (ms) Cnt Num
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SWITCH2
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IP-EIGRP neighbors for process 100 VRF Inside
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
2 172.16.8.2 Vlan680 14 01:30:11 23 138 0 48
0 172.16.230.9 Vlan451 13 01:30:11 480 2880 0 50
1 172.16.230.11 Vlan451 13 01:29:48 1598 5000 0 13
Nexus6-2#
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Here is a complete Switch config:
Switch1
Nexus6-1# sh run
feature telnet
cfs eth distribute
feature eigrp
feature interface-vlan
feature lacp
feature vpc
feature lldp
vlan 1
vlan 451
name P2P_VRF_SVI
vlan 652
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vlan 680
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vrf context Inside
vrf context management
ip route 0.0.0.0/0 172.16.52.1
vrf context peer-keepalive
vpc domain 99
role priority 1
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delay restore 120
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no shutdown
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no shutdown
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ip address 172.16.8.2/22
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spanning-tree port type network
vpc peer-link
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vpc 102
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speed auto
channel-group 99
interface Ethernet1/6
interface Ethernet1/7
description vPC Peer Link 1.7 to Nexus 9372 PRI
switchport mode trunk
speed auto
channel-group 102 mode active
interface Ethernet1/8
interface Ethernet1/9
interface Ethernet2/1
description vPC Peer Link 2.1
switchport mode trunk
speed auto
channel-group 99
interface Ethernet2/2
interface Ethernet2/7
description vPC Peer Link 2.1 to Nexus SEC
switchport mode trunk
speed auto
channel-group 102 mode active
interface Ethernet2/8
interface Ethernet8/1
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no switchport
vrf member peer-keepalive
ip address 10.200.50.1/30
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interface Ethernet8/3
interface mgmt0
vrf member management
ip address 172.16.52.3/23
line console
line vty
boot kickstart bootflash:/n6000-uk9-kickstart.7.0.1.N1.1.bin
boot system bootflash:/n6000-uk9.7.0.1.N1.1.bin
router eigrp 100
passive-interface default
default-information originate
vrf Inside
autonomous-system 100
default-information originate
poap transit
Nexus6-1#
Nexus6-1# sh ip eigrp neighbors vrf inside
IP-EIGRP neighbors for process 100 VRF Inside
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 172.16.8.3 Vlan680 11 01:28:28 1 50 0 45
1 172.16.230.10 Vlan451 13 01:28:28 1 50 0 46
2 172.16.230.11 Vlan451 10 01:28:00 4 50 0 13
Nexus6-1#
Nexus6-1# sh ip eigrp topology vrf Inside
IP-EIGRP Topology Table for AS(100)/ID(172.16.8.2) VRF Inside
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.8.0/22, 1 successors, FD is 2816
via Connected, Vlan680
P 172.16.230.8/29, 1 successors, FD is 2816
via Connected, Vlan451
Nexus6-1# sh vpc
Legend:
(*) - local vPC is down, forwarding via vPC peer-link
vPC domain id : 99
Peer status : peer adjacency formed ok
vPC keep-alive status : peer is alive
Configuration consistency status : success
Per-vlan consistency status : success
Type-2 consistency status : success
vPC role : primary
Number of vPCs configured : 1
Peer Gateway : Disabled
Dual-active excluded VLANs : -
Graceful Consistency Check : Enabled
Auto-recovery status : Disabled
vPC Peer-link status
id Port Status Active vlans
1 Po99 up 1,451,652,680
vPC status
id Port Status Consistency Reason Active vlans
102 Po102 up success success 1,451,652,6
80
Nexus6-1# sh spanning-tree
VLAN0001
Spanning tree enabled protocol rstp
Root ID Priority 32769
Address 1005.caf5.88ff
Cost 2
Port 4197 (port-channel102)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 8c60.4f2d.2ffc
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po99 Desg FWD 1 128.4194 (vPC peer-link) Network P2p
Po102 Root FWD 1 128.4197 (vPC) P2p
Eth8/2 Desg FWD 2 128.1026 P2p
Eth8/3 Desg FWD 2 128.1027 P2p
VLAN0451
Spanning tree enabled protocol rstp
Root ID Priority 33219
Address 8c60.4f2d.2ffc
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 33219 (priority 32768 sys-id-ext 451)
Address 8c60.4f2d.2ffc
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po99 Desg FWD 1 128.4194 (vPC peer-link) Network P2p
Po102 Desg FWD 1 128.4197 (vPC) P2p
Eth8/2 Desg FWD 2 128.1026 P2p
VLAN0652
Spanning tree enabled protocol rstp
Root ID Priority 33420
Address 1005.caf5.88ff
Cost 2
Port 4197 (port-channel102)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 33420 (priority 32768 sys-id-ext 652)
Address 8c60.4f2d.2ffc
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po99 Desg FWD 1 128.4194 (vPC peer-link) Network P2p
Po102 Root FWD 1 128.4197 (vPC) P2p
Eth8/2 Desg FWD 2 128.1026 P2p
VLAN0680
Spanning tree enabled protocol rstp
Root ID Priority 33448
Address 1005.caf5.88ff
Cost 2
Port 4197 (port-channel102)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 33448 (priority 32768 sys-id-ext 680)
Address 8c60.4f2d.2ffc
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po99 Desg FWD 1 128.4194 (vPC peer-link) Network P2p
Po102 Root FWD 1 128.4197 (vPC) P2p
Eth8/2 Desg FWD 2 128.1026 P2p
Nexus6-1#
Switch2
Nexus6-2# sh run
!Command: show running-config
!Time: Sat Feb 12 19:02:44 2011
version 7.0(1)N1(1)
hostname Nexus6-2
feature telnet
cfs eth distribute
feature eigrp
feature interface-vlan
feature lacp
feature vpc
feature lldp
vlan 1
vlan 451
name P2P_VRF_SVI
vlan 652
name Management
vlan 680
name Inside
vrf context Inside
vrf context P2P_Inside_VRF
vrf context management
ip route 0.0.0.0/0 172.16.52.1
vrf context peer-keepalive
vpc domain 99
role priority 2
peer-keepalive destination 10.200.50.1 source 10.200.50.2 vrf peer-keepalive
delay restore 120
interface Vlan1
interface Vlan451
description Inside p2p to ASA
no shutdown
vrf member Inside
ip address 172.16.230.10/29
ip router eigrp 100
no ip passive-interface eigrp 100
interface Vlan680
description Inside Network
no shutdown
vrf member Inside
ip address 172.16.8.3/22
ip router eigrp 100
interface port-channel99
switchport mode trunk
spanning-tree port type network
vpc peer-link
interface port-channel102
switchport mode trunk
vpc 102
interface Ethernet1/1
description vPC Peer Link 1.1
switchport mode trunk
speed auto
channel-group 99
interface Ethernet1/2
interface Ethernet1/6
interface Ethernet1/7
description vPC Link 1.7 to Nexus 9372 SEC
switchport mode trunk
speed auto
channel-group 102 mode active
interface Ethernet1/8
interface Ethernet1/12
interface Ethernet2/1
description vPC Peer Link 2.1
switchport mode trunk
speed auto
channel-group 99
interface Ethernet2/2
interface Ethernet2/6
interface Ethernet2/7
description vPC Link 2.1 to Nexus PRI
switchport mode trunk
speed auto
channel-group 102 mode active
interface Ethernet2/8
interface Ethernet2/12
interface Ethernet8/1
description keep-alive peer-link to ALNSWI01
no switchport
vrf member peer-keepalive
ip address 10.200.50.2/30
interface Ethernet8/2
description Uplink to ASA
switchport mode trunk
switchport trunk allowed vlan 1,451,652,680
interface Ethernet8/3
interface Ethernet8/20
interface mgmt0
vrf member management
ip address 172.16.52.4/23
line console
line vty
boot kickstart bootflash:/n6000-uk9-kickstart.7.0.1.N1.1.bin
boot system bootflash:/n6000-uk9.7.0.1.N1.1.bin
router eigrp 100
vrf Inside
autonomous-system 100
default-information originate
poap transit
logging logfile messages 6
Nexus6-2#
Nexus6-2#
Nexus6-2# sh ip eigrp neighbors vrf Inside
IP-EIGRP neighbors for process 100 VRF Inside
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
2 172.16.8.2 Vlan680 14 01:30:11 23 138 0 48
0 172.16.230.9 Vlan451 13 01:30:11 480 2880 0 50
1 172.16.230.11 Vlan451 13 01:29:48 1598 5000 0 13
Nexus6-2#
Nexus6-2# sh ip eigrp topology vrf Inside
IP-EIGRP Topology Table for AS(100)/ID(172.16.8.3) VRF Inside
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.8.0/22, 1 successors, FD is 2816
via Connected, Vlan680
P 172.16.230.8/29, 1 successors, FD is 2816
via Connected, Vlan451
Nexus6-2#
Nexus6-2#
Nexus6-2# sh vpc
Legend:
(*) - local vPC is down, forwarding via vPC peer-link
vPC domain id : 99
Peer status : peer adjacency formed ok
vPC keep-alive status : peer is alive
Configuration consistency status : success
Per-vlan consistency status : success
Type-2 consistency status : success
vPC role : secondary
Number of vPCs configured : 1
Peer Gateway : Disabled
Dual-active excluded VLANs : -
Graceful Consistency Check : Enabled
Auto-recovery status : Disabled
vPC Peer-link status
id Port Status Active vlans
1 Po99 up 1,451,652,680
vPC status
id Port Status Consistency Reason Active vlans
102 Po102 up success success 1,451,652,6
80
Nexus6-2#
Nexus6-2#
Nexus6-2# sh spanning-tree
VLAN0001
Spanning tree enabled protocol rstp
Root ID Priority 32769
Address 1005.caf5.88ff
Cost 3
Port 4194 (port-channel99)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 8c60.4f2d.777c
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
Po99 Root FWD 1 128.4194 (vPC peer-link) Network P2p
Po102 Root FWD 1 128.4197 (vPC) P2p
Eth8/2 Desg FWD 2 128.1026 P2p
Eth8/3 Desg FWD 2 128.1027 P2p
VLAN0451
Spanning tree enabled protocol rstp
Root ID Priority 33219
Address 8cJon,
Are you ready for the mass confusion?
when Looking at the ASA EIGRP neighbors output here is what I see.
ASA# sh eigrp neighbors
EIGRP-IPv4 neighbors for process 100
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
3 172.16.230.1 Te0/8.450 13 16:45:14 1 200 0 64
2 172.16.230.2 Te0/8.450 11 16:45:14 1 200 0 84
1 172.16.230.10 Te0/8.451 11 16:45:20 1 200 0 178
0 172.16.230.9 Te0/8.451 13 16:45:20 1 200 0 148
For simplicity sake lets just concetrate on Interface TenGigabit0/8.451 which is the SVI on the Nexus switch that is VLAN451
From the Nexus Switch 6004 that is directly connected to the ASA here is what I see
SWI01# sh ip eigrp neighbors vrf Inside
IP-EIGRP neighbors for process 100 VRF Inside
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 172.16.8.3 Vlan680 10 17:04:30 54 324 0 177
1 172.16.230.10 Vlan451 11 16:59:10 819 4914 0 178
2 172.16.230.11 Vlan451 14 16:53:48 24 144 0 20
The Inside VRF that is tied to both SVI's on the Switch vlans 451 and 680 is in EIGRP 100 on the switch
SWI01# sh run int vlan 451
interface Vlan451
description Inside p2p to ASA
no shutdown
vrf member Inside
ip address 172.16.230.9/29
ip router eigrp 100
no ip passive-interface eigrp 100
SWI01# sh run int vlan 680
interface Vlan680
description Inside Network
no shutdown
vrf member Inside
ip address 172.16.8.2/22
ip router eigrp 100
hsrp 1
authentication text test
preempt
priority 250
ip 172.16.8.1
so you with me so far?
If you are you have noticed that on the ASA neighbors the ASA sees 172.16.230.11 as a neighbor which is the Secondary Nexus SW. That is becauise they all share the same subnet.
172.16.230.8/29
Brakedown:
PRI Nexus 6004 - 172.16.230.9
SEC NEXUS 6004 - 172.16.230.10
PRI ASA 5585x - 172.16.230.11
SEC ASA 5585x - 172.16.230.12
Because the ASA EIGRP network is a /29 it learns the Secondary Nexus via the Primary Nexus.
I am not sure that the link we created between the two Nexus Switches is doing anything but consuming ports right now.
SWI01# sh run int ethernet 8/9
interface Ethernet8/9
description EIGRP PORT to Secondary Nexus
switchport mode trunk
switchport trunk allowed vlan 450-451
SWI02# sh run int ethernet 8/9
interface Ethernet8/9
description EIGRP PORT to Primary Nexus
switchport mode trunk
switchport trunk allowed vlan 450-451
So the SVI's that go up to the ASA for inspection are 450 and 451. The network SVI's are 600 and 680 all of them live on the switch, and 680, and 600 are extended over the peer links down to the 9372's.
I think that we are breaking the golden rule of vPC BUT.. I am not 100% sure. Some of the documents read that we should not be allowing network vlans over peer links, but then how do you extend the vlans down to the leaf switch?
This is giving me nightmares at the moment…
does this make sense? -
No link between Sg200-26 switch and netgear gs1081 v2switch
Hi everyone,
Would someone be kind enough to guide me through my problem. I am a newbie and dont know much about networking more so other technical stuff like trunking, vlans etc....
there is no connection (no link activity) betwen my cisco sg200-26 switch and a netgear gs108T switch which i have purchased recently. Whereas, a link is automatically obtained if i connect the sg 200 to an unmanged asus ASUS Gx-D1081 V2.. Any help would be greatly appreciated.
Thanks very much in advance
IsaacHi Isaac, can you describe the physical port behavior between the switches? Does the link lights turn on at either switch?
Are you able to manage either switch locally? (connect your computer to either switch and log in to the supported access method?)
-Tom
Please mark answered for helpful posts -
SFP (Cisco GLC-SX-MM) unknown in cisco switch 2960s
I have cisco switch WS-C2960S-24TS-S with IOS 12.2(55)SE8 C2960S-UNIVERSALK9-M when I connect the SFP Cisco GLC-SX-MM to the interface the switch does not know it .
Switch#sh interfaces gig0/25 status
Port Name Status Vlan Duplex Speed Type
Gi0/25 err-disabled 1 auto auto unknownSwitch(config)#int gigabitEthernet 0/25
Switch(config-if)#sho
Switch(config-if)#shu
Switch(config-if)#shutdown
Switch(config-if)#do sh
*Mar 1 00:08:10.481: %LINK-5-CHANGED: Interface GigabitEthernet0/25, changed state to administratively down ip int br
Interface IP-Address OK? Method Status Protocol
Vlan1 unassigned YES unset up up
FastEthernet0 unassigned YES unset down down
GigabitEthernet0/1 unassigned YES unset down down
GigabitEthernet0/2 unassigned YES unset down down
GigabitEthernet0/3 unassigned YES unset down down
GigabitEthernet0/4 unassigned YES unset down down
GigabitEthernet0/5 unassigned YES unset down down
GigabitEthernet0/6 unassigned YES unset down down
GigabitEthernet0/7 unassigned YES unset down down
GigabitEthernet0/8 unassigned YES unset down down
GigabitEthernet0/9 unassigned YES unset down down
GigabitEthernet0/10 unassigned YES unset down down
GigabitEthernet0/11 unassigned YES unset down down
GigabitEthernet0/12 unassigned YES unset down down
GigabitEthernet0/13 unassigned YES unset down down
GigabitEthernet0/14 unassigned YES unset down down
GigabitEthernet0/15 unassigned YES unset down down
GigabitEthernet0/16 unassigned YES unset down down
GigabitEthernet0/17 unassigned YES unset down down
GigabitEthernet0/18 unassigned YES unset down down
GigabitEthernet0/19 unassigned YES unset down down
GigabitEthernet0/20 unassigned YES unset down down
GigabitEthernet0/21 unassigned YES unset down down
GigabitEthernet0/22 unassigned YES unset down down
GigabitEthernet0/23 unassigned YES unset down down
GigabitEthernet0/24 unassigned YES unset up up
GigabitEthernet0/25 unassigned YES unset administratively down down
GigabitEthernet0/26 unassigned YES unset down down
Switch(config-if)#no shut
Switch(config-if)#
*Mar 1 00:08:30.326: %LINK-3-UPDOWN: Interface GigabitEthernet0/25, changed state to down
Switch(config-if)#
Switch#show ip int brief
Interface IP-Address OK? Method Status Protocol
Vlan1 unassigned YES unset up down
FastEthernet0 unassigned YES unset down down
GigabitEthernet0/1 unassigned YES unset down down
GigabitEthernet0/2 unassigned YES unset down down
GigabitEthernet0/3 unassigned YES unset down down
GigabitEthernet0/4 unassigned YES unset down down
GigabitEthernet0/5 unassigned YES unset down down
GigabitEthernet0/6 unassigned YES unset down down
GigabitEthernet0/7 unassigned YES unset down down
GigabitEthernet0/8 unassigned YES unset down down
GigabitEthernet0/9 unassigned YES unset down down
GigabitEthernet0/10 unassigned YES unset down down
GigabitEthernet0/11 unassigned YES unset down down
GigabitEthernet0/12 unassigned YES unset down down
GigabitEthernet0/13 unassigned YES unset down down
GigabitEthernet0/14 unassigned YES unset down down
GigabitEthernet0/15 unassigned YES unset down down
GigabitEthernet0/16 unassigned YES unset down down
GigabitEthernet0/17 unassigned YES unset down down
GigabitEthernet0/18 unassigned YES unset down down
GigabitEthernet0/19 unassigned YES unset down down
GigabitEthernet0/20 unassigned YES unset down down
GigabitEthernet0/21 unassigned YES unset down down
GigabitEthernet0/22 unassigned YES unset down down
GigabitEthernet0/23 unassigned YES unset down down
GigabitEthernet0/24 unassigned YES unset down down
GigabitEthernet0/25 unassigned YES unset down down
GigabitEthernet0/26 unassigned YES unset down down
Switch#
Mar 1 00:07:55.508: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi0/25 has bad crc
*Mar 1 00:07:55.508: %PM-4-ERR_DISABLE: gbic-invalid error detected on Gi0/25, putting Gi0/25 in err-disable state
*Mar 1 00:08:24.003: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi0/25 has bad crc
*Mar 1 00:08:39.144: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi0/25 has bad crc
Mar 1 00:24:18.611: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi0/25 has bad crc
*Mar 1 00:24:18.611: %PHY-4-UNSUPPORTED_TRANSCEIVER: Unsupported transceiver found in Gi0/25
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