The MRV is treating the adjacency like it's a P2P link and you're thereby not
getting a bidirectional adjacency. Perhaps the MRV is being 'smart' about
having a /30 on the link.
Tony
On Jun 23, 2010, at 11:08 AM, Eric Van Tol wrote:
> Hi all,
> I am in my lab trying to test out ISIS between a J2320 running 9.5R2.7 and an
> MRV Optiswitch 9000 and I'm having an incredibly difficult time getting
> routes to show up in either device. The config is so simple, I'm confused as
> to why it's not working and thinking there's a bug. The *only* time I was
> able to get the loopbacks to show up in the devices' respective route tables
> was when I configured traceoptions for ISIS policy on the 2320 (?!). After I
> bounced the adjacency, it never worked again. The prefixes are in the
> databases on both devices. The other odd thing I noticed is that if I
> configure 'level 2 hello-interval 5' on the 2320, the output of 'show isis
> interface extensive' on that router shows the hello-interval to be 1.66
> seconds and the hold timer to be 5 seconds (another wtf?!). Configs of both
> devices are below, as well as output of 'show isis database detail'.
>
> Thoughts?
> evt
>
> interfaces {
> ge-0/0/0 {
> unit 0 {
> family inet {
> mtu 1500;
> address 192.168.1.1/30;
> }
> family iso {
> mtu 1497;
> }
> }
> }
> lo0 {
> unit 0 {
> family inet {
> address 10.0.0.1/32;
> }
> family iso {
> address 49.0001.1000.0000.0001.00;
> }
> }
> }
> }
> protocols {
> isis {
> traceoptions {
> file isis.log size 1m files 2;
> flag error detail;
> flag lsp detail;
> flag lsp-generation detail;
> flag route detail;
> flag policy detail;
> }
> level 1 disable;
> level 2 wide-metrics-only;
> }
> no-ipv6-routing;
> interface ge-0/0/0.0 {
> level 1 disable;
> }
> interface lo0.0 {
> level 1 disable;
> }
> }
> }
>
> MRV:
> interface vlan vif1
> tag 1
> ip 192.168.1.2/30
> ports 24
> ip router isis
> isis circuit-type level-2-only
> isis hello-interval 3
> !
> interface dummy dummy1
> ip 10.0.0.2/32
> ip router isis
> isis circuit-type level-2-only
> !
> router isis
> is-type level-2-only
> metric-style wide level-2
> passive-interface dummy1
> net 49.0001.1000.0000.0002.00
>
> -------------
> ad...@j2320-lab# run show isis database extensive
> IS-IS level 1 link-state database:
>
> IS-IS level 2 link-state database:
>
> j2320-lab.00-00 Sequence: 0x7f, Checksum: 0x4909, Lifetime: 1145 secs
> IPV4 Unicast IS neighbor: j2320-lab.02 Metric: 10
> Two-way fragment: j2320-lab.02-00, Two-way first fragment: j2320-lab.02-00
> IP IPV4 Unicast prefix: 10.0.0.1/32 Metric: 0 Internal Up
> IP IPV4 Unicast prefix: 192.168.1.0/30 Metric: 10 Internal Up
>
> Header: LSP ID: j2320-lab.00-00, Length: 154 bytes
> Allocated length: 1492 bytes, Router ID: 10.0.0.1
> Remaining lifetime: 1145 secs, Level: 2, Interface: 0
> Estimated free bytes: 1288, Actual free bytes: 1338
> Aging timer expires in: 1145 secs
> Protocols: IP
>
> Packet: LSP ID: j2320-lab.00-00, Length: 154 bytes, Lifetime : 1198 secs
> Checksum: 0x4909, Sequence: 0x7f, Attributes: 0x3 <L1 L2>
> NLPID: 0x83, Fixed length: 27 bytes, Version: 1, Sysid length: 0 bytes
> Packet type: 20, Packet version: 1, Max area: 0
>
> TLVs:
> Area address: 49.0001 (3)
> Speaks: IP
> Topology: unicast
> Topology: ipv6 unicast
> IP router id: 10.0.0.1
> IP address: 10.0.0.1
> Hostname: j2320-lab
> IS neighbor: j2320-lab.02, Internal, Metric: default 10
> IS extended neighbor: j2320-lab.02, Metric: default 10
> IP address: 192.168.1.1
> Local interface index: 69, Remote interface index: 0
> IP prefix: 192.168.1.0/30, Internal, Metric: default 10, Up
> IP prefix: 10.0.0.1/32, Internal, Metric: default 0, Up
> IP extended prefix: 192.168.1.0/30 metric 10 up
> IP extended prefix: 10.0.0.1/32 metric 0 up
> No queued transmissions
>
> j2320-lab.02-00 Sequence: 0x7d, Checksum: 0xb12c, Lifetime: 1145 secs
> IPV4 Unicast IS neighbor: j2320-lab.00 Metric: 0
> Two-way fragment: j2320-lab.00-00, Two-way first fragment: j2320-lab.00-00
> IPV4 Unicast IS neighbor: 1000.0000.0002.00 Metric: 0
> Two-way first fragment: j2320-lab.00-00
>
> Header: LSP ID: j2320-lab.02-00, Length: 76 bytes
> Allocated length: 1492 bytes, Router ID: 0.0.0.0
> Remaining lifetime: 1145 secs, Level: 2, Interface: 0
> Estimated free bytes: 1349, Actual free bytes: 1416
> Aging timer expires in: 1145 secs
>
> Packet: LSP ID: j2320-lab.02-00, Length: 76 bytes, Lifetime : 1198 secs
> Checksum: 0xb12c, Sequence: 0x7d, Attributes: 0x3 <L1 L2>
> NLPID: 0x83, Fixed length: 27 bytes, Version: 1, Sysid length: 0 bytes
> Packet type: 20, Packet version: 1, Max area: 0
>
> TLVs:
> IS neighbor: j2320-lab.00, Internal, Metric: default 0
> IS neighbor: 1000.0000.0002.00, Internal, Metric: default 0
> IS extended neighbor: j2320-lab.00, Metric: default 0
> IS extended neighbor: 1000.0000.0002.00, Metric: default 0
> No queued transmissions
>
> 1000.0000.0002.00-00 Sequence: 0x66, Checksum: 0x6847, Lifetime: 1046 secs
> IPV4 Unicast IS neighbor: j2320-lab.00 Metric: 10
> IP IPV4 Unicast prefix: 10.0.0.2/32 Metric: 10 Internal Up
> IP IPV4 Unicast prefix: 192.168.1.0/30 Metric: 10 Internal Up
>
> Header: LSP ID: 1000.0000.0002.00-00, Length: 75 bytes
> Allocated length: 284 bytes, Router ID: 0.0.0.0
> Remaining lifetime: 1046 secs, Level: 2, Interface: 69
> Estimated free bytes: 209, Actual free bytes: 209
> Aging timer expires in: 1046 secs
> Protocols: IP
>
> Packet: LSP ID: 1000.0000.0002.00-00, Length: 75 bytes, Lifetime : 1093 secs
> Checksum: 0x6847, Sequence: 0x66, Attributes: 0x3 <L1 L2>
> NLPID: 0x83, Fixed length: 27 bytes, Version: 1, Sysid length: 0 bytes
> Packet type: 20, Packet version: 1, Max area: 0
>
> TLVs:
> Area address: 49.0001 (3)
> Speaks: IP
> IP address: 10.0.0.2
> IS extended neighbor: j2320-lab.00, Metric: default 10
> IP extended prefix: 192.168.1.0/30 metric 10 up
> IP extended prefix: 10.0.0.2/32 metric 10 up
> No queued transmissions
>
> ----------
> OS9024C-lab# sh isis data ver
> Area (null):
> IS-IS Level-2 Link State Database:
> LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
> 1000.0000.0001.00-00 0x0000007F 0x4909 1017 0/0/0
> Area Address: 49.0001
> NLPID: 0xCC
> Router ID: 10.0.0.1
> IP Address: 10.0.0.1
> Hostname: j2320-lab
> Metric: 10 IS 1000.0000.0001.02
> Metric: 10 IS-Extended 1000.0000.0001.02
> IPv4 Interface Address: 192.168.1.1
> Unknown Sub-TLV type 4 length 8
> Metric: 10 IP 192.168.1.0 255.255.255.252
> Metric: 0 IP 10.0.0.1 255.255.255.255
> Metric: 10 IP-Extended 192.168.1.0/30
> Metric: 0 IP-Extended 10.0.0.1/32
> 1000.0000.0001.02-00 0x0000007D 0xB12C 1017 0/0/0
> Metric: 0 IS 1000.0000.0001.00
> Metric: 0 IS 1000.0000.0002.00
> Metric: 0 IS-Extended 1000.0000.0001.00
> Metric: 0 IS-Extended 1000.0000.0002.00
> 1000.0000.0002.00-00* 0x00000066 0x6847 921 0/0/0
> Area Address: 49.0001
> NLPID: 0xCC
> IP Address: 10.0.0.2
> Metric: 10 IS-Extended 1000.0000.0001.00
> Metric: 10 IP-Extended 192.168.1.0/30
> Metric: 10 IP-Extended 10.0.0.2/32
>
> Thanks,
> evt
>
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