IxVM on CML

Ixia VM
on Cisco Modeling Lab
(CML)
Akira Iwamoto
Cisco Systems

Cisco Modeling Lab
• シスコが提供する仮想ネットワークシミュレーション環境
• vIOS, IOS XRv, CSR 1000V 等を自由に接続し、テストする
事が可能
• OpenStack 経由で、ルータOSがKVM 上で動作する
http://bit.ly/1v1LPdr
http://www.cisco.com/c/en/us/products/cloud-systems-management/modeling-labs/
index.html

サードパーティVMを組み込
んでも良い？
Third-party virtual machine
• Q. Can customers run third-party virtual machines in
Cisco Modeling Labs?
• A. Third-party virtual machines should work if compiled to
run on Linux kernel-based いいvirtual けど、サmachines; ポートはしませhowever,
んよ
features of Cisco Modeling Labs, 自己such 責任でas ！
auto
configuration, are designed for Cisco virtual operating
systems only. Cisco TAC support does not answer
questions in regard to third-party virtual machines or their
interworking with the software.
http://www.cisco.com/c/en/us/products/collateral/cloud-systems-management/
modeling-labs/q-and-a-c67-731850.html

Ixia VM (IxVM)
• Ixia 社が販売するネットワークトラフィックテスターのVirtual
Machine 版
• OVA ファイルで提供され、CentOS やSUSE Linux 上で動作
する
http://bit.ly/1uqHQsg
http://www.ixiacom.com/products/network_test/applications/ixvm/

トラフィックテスタ
Test
Port1
ルータだったり、
スイッチだったり・・・
Test
Port2
トラフィック生成トラフィック受信
生成したトラフィックが全て受信出来ているかチェック・・・

Ixia ハードウェア版
シャーシ
ポート
R1
R2

Ixia VM版
R1
R2
Ixvm (Linux)
eth1
eth0
Ixvm (Linux)
eth1
eth0

Ixvm on CML
R1
R2
Ixvm (Linux)
eth1
eth0
eth1
eth0
Cisco UCS / Linux Server / VM / etc.
Ixvm (Linux)

OVA ファイルを追加
• OVA ファイルはtar ファイル
• VMDK ファイルを取り出す
• tar xfv VM_IxVM-centos6.3-2.0.0.402.ova
VM_IxVM-centos6.3-2.0.0.402-disk1.vmdk
• Pkg ファイルを作成する
• Kvm の起動オプションに使用される
• IxVM はscsi を使用するため、ディスク設定を変更

Ixvm.pkg
# pop-image
vmdk_disk=/home/virl/ixvm/VM_IxVM-centos6.3-2.0.0.402-disk1.vmdk
image_subtype="IxVM"
image_name="IxVM"
release="2.0.0"
vif_model=virtio
num_serials=1
config_disk_type=cdrom
disk_bus=scsi
flavor_name=$image_name
check_images $image_name
check_flavors $flavor_name
register_flavor $flavor_name 2 2048
register_vmdk $vmdk_disk "$image_name" "$image_subtype" $vif_model
$num_serials $config_disk_type $disk_bus $release
実際は、glance にイメージ、nova へflavor の追加を行うスクリプト

OVA ファイルを追加
• Glance へイメージの追加
/opt/support/add-servers ixvm.pkg
virl@virl:~$ glance image-list
+--------------------------------------+----------+-------------+------------------+------------+--------+
| ID | Name | Disk Format | Container Format | Size | Status |
+--------------------------------------+----------+-------------+------------------+------------+--------+
| 205ca488-beb6-4c63-a6f2-e884ee8eb881 | CSR1000v | qcow2 | bare | 1270415360 | active |
| 27ce0788-bfcf-4a88-b448-a997cd1e09d7 | IOS XRv | qcow2 | bare | 559284224 | active |
| bbfa9d86-3ab1-4e93-a701-7c587720bed6 | IOSv | qcow2 | bare | 112132096 | active |
| 304fae30-14b7-4b4c-bda9-a7ca0de5821c | IxVM | qcow2 | bare | 1108344832 | active |
| 525dbd52-0dc6-48fd-81cf-cec8f8e23713 | jumphost | qcow2 | bare | 252641792 | active |
| 457e981f-970b-4dfc-990a-8102426b7820 | NX-OSv | qcow2 | bare | 184680448 | active |
| 08f2b40c-93b5-4038-9913-27458a7d5648 | server | qcow2 | bare | 252641792 | active |
+--------------------------------------+----------+-------------+------------------+------------+--------+
virl@virl:~$ nova flavor-list
+--------------------------------------+-----------+-----------+------+-----------+------+-------+-------------+-----------+
| ID | Name | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public |
+--------------------------------------+-----------+-----------+------+-----------+------+-------+-------------+-----------+
| 1 | m1.tiny | 512 | 1 | 0 | | 1 | 1.0 | True |
| 2 | m1.small | 2048 | 20 | 0 | | 1 | 1.0 | True |
| 3 | m1.medium | 4096 | 40 | 0 | | 2 | 1.0 | True |
| 3281668d-2c04-459b-bfbf-860b74360911 | IOSv | 512 | 0 | 0 | | 1 | 1.0 | True |
| 4 | m1.large | 8192 | 80 | 0 | | 4 | 1.0 | True |
| 5 | m1.xlarge | 16384 | 160 | 0 | | 8 | 1.0 | True |
| 53cf9d29-9d01-4ef5-a280-519c3e4502a6 | IxVM | 2048 | 0 | 0 | | 2 | 1.0 | True |
| 670eca9f-d050-4d4f-b7ef-d50755476108 | server | 512 | 0 | 0 | | 1 | 1.0 | True |
| 9c98647c-e697-4810-9b0b-57669fefa157 | jumphost | 512 | 0 | 0 | | 1 | 1.0 | True |
| ad241a93-09f4-479e-8475-062f39f82e74 | NX-OSv | 2048 | 0 | 0 | | 1 | 1.0 | True |
| d364cdf1-0419-46bf-b142-c304d87ab19f | IOS XRv | 3096 | 0 | 0 | | 1 | 1.0 | True |
| e8135f4c-a198-4391-97c0-1a2ed08f368b | CSR1000v | 3072 | 0 | 0 | | 1 | 1.0 | True |
+--------------------------------------+-----------+-----------+------+-----------+------+-------+-------------+-----------+
virl@virl:~$

IxNetwork / IxExplorer
(Ixia クライアント)
クライアントから、起動したIxVM を指定する
IxExplorer

Router の設定
iosv-1#sh ip int bri
Interface IP-Address OK? Method Status Protocol
GigabitEthernet0/0 172.16.1.67 YES DHCP up up
GigabitEthernet0/1 10.0.1.1 YES manual up up
GigabitEthernet0/2 10.0.2.1 YES manual up up
Loopback0 192.168.0.1 YES NVRAM up up
iosv-1#
---
interface GigabitEthernet0/1
description to ixvm1
ip address 10.0.1.1 255.255.255.0
ip ospf cost 1
duplex auto
speed auto
media-type rj45
!
interface GigabitEthernet0/2
description to ixvm2
ip address 10.0.2.1 255.255.255.0
ip ospf cost 1
duplex auto
speed auto
media-type rj45
!
router ospf 1
network 0.0.0.0 255.255.255.255 area 0
---

IxNetwork OSPF - Net
それぞれのポートをOSPF Neighbor として、
5 経路ずつ(1.2.3.0 – 1.2.7.0)作成してみた
(ECMP)

Router OSPF
iosv-1#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
45.65.0.1 2 FULL/BDR 00:00:39 10.0.2.2 GigabitEthernet0/2
45.64.0.1 2 FULL/BDR 00:00:39 10.0.1.2 GigabitEthernet0/1
iosv-1#
iosv-1#sh ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override
Gateway of last resort is 172.16.1.1 to network 0.0.0.0
S* 0.0.0.0/0 [254/0] via 172.16.1.1
1.0.0.0/24 is subnetted, 5 subnets
O IA 1.2.3.0 [110/1] via 10.0.2.2, 00:00:00, GigabitEthernet0/2
[110/1] via 10.0.1.2, 00:00:21, GigabitEthernet0/1

IxVM on CML

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